Chevrolet Impala SS Handbook Download

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148

SSHandbook

General Information: Part Numbers

12522388

FENDER LINER LEFT FRONT

12522387

FENDER LINER RIGHT FRONT

12501860

FENDER RIGHT FRONT

14088765

FLYWHEEL

25121978

FUEL - FILTER

25121293

FUEL - FILTER AC #GF578

17124248

FUEL - INJECTOR 93-96

17113544

FUEL - INJECTOR O-RING SEAL KIT AC #217-1379

12048089

FUEL - LINE RETAINERS ON SIDE OF T/B

12371178

FUEL - PPRESS GAUGE 0-15 2-5/8" W/BOWTIE

10216948

FUEL - PRESS REG VACUUM HOSE

12361404

FUEL - PSI GAUGE 0-15 2-5/8" W/BOWTIE

12361396

FUEL - PSI GAUGE 0-15 2-5/8" W/GMPP

12361398

FUEL - PSI GAUGE TUBING KIT BRADED S/S

EP381

FUEL - PUMP HIGH OUTPUT ACDELCO

12077866

FUEL - PUMP RELAY 94-96 - AC #15-5671

EP376

FUEL - PUMP STOCK ACDELCO

17113251

FUEL - RAIL 94-96 RH

10224936

FUEL - RAIL COVER CORVETT - RH SIDE

10108672

FUEL - RAIL COVER STUD VETT

17113095

FUEL - RAIL KIT PARTS FOR RETURN LINE

10191138

FUEL - TANK HEAT SHEILD (1 OF 2)

10203814

FUEL - TANK HEAT SHEILD (2 OF 2)

25028955

FUEL - TANK LEVEL SENDING UNIT

NAPA 888536

FUEL PUMP HARNESS FOR IN-TANK SENDING UNIT

ACDELCO EP381

FUEL PUMP HIGHER OUTPUT VERSION

ACDELCO EP376

FUEL PUMP OE REPLACEMENT

10191138 10203814,

FUEL TANK HEAT SHIELDS

12527729

GLOVE BOX LATCH

3848911

GM "WHITE" OIL PUMP SPRING

10269614

GRILLE BLACK

10249082

GRILLE BOWTIE CHROME

10269616

GRILLE DCM

10269615

GRILLE DGGM

22591876

GRILLE EMBLEM BLUE BOWTIE

15970086

GRILLE EMBLEM RED "SS"

22591877

GRILLE EMBLEM RED BOWTIE

FEL-1074

HEAD GASKETS (LT1 ALUMINUM HEADS) FELPRO, .039"

10168457

HEAD GASKETS (LT4 ALUMINUM HEADS), .043"

16519235

HEADLIGHT - CAPSULE LEFT

16519236

HEADLIGHT - CAPSULE RIGHT

6288471

HEADLIGHT - CONNECTOR EXPORT T84 CAPSULE

16519237

HEADLIGHT - EXPORT T84 CAPSULE LEFT

16519238

HEADLIGHT - EXPORT T84 CAPSULE RIGHT

16511961

HEADLIGHT - MOUNTING BRACKET LEFT

16511962

HEADLIGHT - MOUNTING BRACKET RIGHT

10161999

HEADLIGHT - OPENING FILLER LEFT

Summary of Contents for Impala SS

Page 1: ...impala SS Handbook Original by Karl Frost QaloSS Updated version byAsh Carlton whteglve with help from many others In conjunction with www impalassforum com...

Page 2: ...rmostat Replacement 20 Electrical 23 Headlight Instrument Panel Illumination 23 Opti Spark Installation 24 Opti Spark Conversion 25 Plug and Wire Change 27 Changing Plugs Stock Manifolds 28 Changing P...

Page 3: ...ter Brake Light 85 Tail Light Lens Bucket Modification 89 Tail Light Light Bulbs 90 Exhaust 92 Exhaust Science Demystified 92 Intake Alternatives 102 Home Plate Removal 104 Sewer Pipe Mod 104 Swiss Ch...

Page 4: ...e later told me that he knew I was going to buy the car when he saw the look on my face when starting it for the first time I began taking auto body classes at the local community college so I could l...

Page 5: ...Maintenance...

Page 6: ...In a 4 wheel disc car however you want the rear brakes to do more than 5 of the work because the brakes are much more capable The result of the 95 front 5 rear proportioning in a 4 wheel disc car is a...

Page 7: ...rded It s that simple after that is done your brakes are now proportioned at approximately 65 front and 35 rear The Metering problem problem 2 above is solved by replacing the 19mm hex bolt on the rea...

Page 8: ...e with the ratchet Be careful not to bend the brake lines 3 Remove the bolt by hand and discard Replace it with the new Bolt II Metering Bolt 4 Remove the cover ofthe master cylinder reservoir and rem...

Page 9: ...the radiator so you will only need 12 total bushings 10 pink 2 green People have mentioned the need for different bolts for position three The stock ones are fine and you will not need new ones unles...

Page 10: ...ll Which end you start at depends on you but it s a good idea to go from Point 1 to Point 7 2 Point 1 is directly behind the front tire at the end ofthe curve towards the engine It s hard to see the b...

Page 11: ...11 SSHandbook Maintenance Chassis Suspension Body bushing locations...

Page 12: ...replace than the rear which are very easy You may want to go ahead and have someone install these for you but ifyou are hard headed then go for it Do these one at a time and keep your day open it wil...

Page 13: ...raise the vehicle back up offthe jack stands 7 Remove the stands lower the car sit back and enjoy Procedure 1 Jack up the corner you re working on and place it on jack stands by the frame you ll need...

Page 14: ...change does not help you any as far as performance except maybe a longer stance and slightly better handling but no one has ever said it was noticeable The main purpose is to center the rear wheels If...

Page 15: ...old saying the right tool for the right job applies Follow the rear end bushing removal instructions inserted below It s recommended to use a bushing removal tool because you tend to beat the mess out...

Page 16: ...en end wrench as well 4 Depending on the type ofpuller you use and how long the center bolt is you may need some extra length to push it completely out 5 Once you have the sleeve out now use a sawzall...

Page 17: ...ck so it will be easier reinstalling them Truth is GM should have tack welded the nuts into place when they built the car The most important thing to remember is to be patient through this process Swa...

Page 18: ...he hose should be replaced by a cap to help keep the barb fitting clean 1 4 Turn ball valve with hose barb and clear tubing Cooling System Bleeding The System Here is a great way to change the anti fr...

Page 19: ...you are at the cold fill mark and go drive for a few days Top offsome morning to the cold fill and you are done Heater Core Flush Tools Socket wrench Flat head screwdriver Rags and bucket Bucket Proc...

Page 20: ...cool The sensor will be covered in a heat resistant silver coating to repel heat Pull back the wrapping and disconnect the sensor harness Slowly unscrew the sensor until loose enough to finish it by h...

Page 21: ...mming or you must have the PCM reprogrammed Wrong The thermostat is not controlled by anything but temperature If you have the PCM reprogrammed then the 160 degree thermostat will be more effective co...

Page 22: ...new gaskets You need sealant on both sides ofthe gaskets 10 Place the splined coupler on the shaft mounted to the cam 11 Reinstall everything in reverse order 12 Torque to 30 ft lbs 13 Fill the system...

Page 23: ...lathead twist it to the left about a quarter turn 5 Use a pair oftweezers to lift it out ofthe switch 6 Ifusing the Honda bulb Skip to step 10 Ifusing the Radio Shack bulb continue Take the bulb holde...

Page 24: ...er to do this MAKE SURE you make a note of the position of the balancer in relation to the hub Both the hub and balancer should be marked but not keyed 11 Remove the remaining plug wires Ifthey are ol...

Page 25: ...ir Don t let any coolant get on your new Opti spark 24 Check and recheck everything 25 Fire it up You should also pull the hose out ofthe bellow and check for vacuum Ifit gets clogged or a hose gets p...

Page 26: ...behind the rotor should be removed 3 Remove the middle spacer This is the center portion ofthe Opti spark body Set aside everything but the back plate Be careful when handling this Try not to get any...

Page 27: ...you have headers A couple 3 4 foot lengths of 12 14 gauge insulated wire Flashlight with GOOD batteries Masking Tape Ink Pen Materials A good set of spark plugs and plug wires Anti seize compound Diel...

Page 28: ...on the driver s side working back plug 1 simply unplug the plug wires and use the 3 8 ratchet a couple of the long extensions and the u joint plug socket to remove and replace the first plug Go THRU t...

Page 29: ...about the same amount use wire cutters or something else appropriate here Once modified you can then slip the modified socket onto the plug and use the 3 4 box end wrench to turn the socket and loosen...

Page 30: ...nused coil wire 4 To figure out which wire goes to which plug is simple For the Taylors the distributor end boots are black while the plug end boots are the same color as the wires The straight distri...

Page 31: ...re 2 18 Cut the opti end boots offthe plug wires Trust me on this one 19 Working from the motor side mostly thru the wheelwell some underneath pull the old wires out from the plug ends This is a LOT e...

Page 32: ...LOOM YET 32 Put another piece ofwire loom on each wire on the end closest to the opti end boot This will protect the wire as it is run up to the Opti spark 33 Starting from the bottom up route the 2 w...

Page 33: ...tenna mast Looking at the project at hand you ll notice the antenna mast partially protruding from the fender The mast may have gotten bent or it will only go partially up and down Tools 10 mm socket...

Page 34: ...Two ofthe 10 mm bolts with large washers 4 Next remove the fender well bolts There are five 10 mm bolts along the edge ofthe wheel well 5 Now remove the three 13 mm bolts inset into the wheel well 6...

Page 35: ...to fall Use 732 for duct tape No bezel or nut 8 Remove the top nut and bezel from the antenna Some people use needle nose pliers and position the tips into the slots on the nut Be careful not to slip...

Page 36: ...with about an inch or so of the mast sticking out to add the repositioning the antenna Everything to this point can be accomplished by one person It s nice to have a helper while installing the repla...

Page 37: ...connect the electrical connections power and radio antenna the drain tube and unscrew no 10 wrench the ground wire screw topside and the screw holding the antenna bracket to the body lower side Then s...

Page 38: ...screw clips and rivets holding the two halves ofthe motor assembly together Ifthe antenna was never serviced from factory comes with rivets You will need to drill the rivets out and replace with screw...

Page 39: ...note the mast will come loose once the case is split Inspect for signs ofworn gears on the worm screw assembly Replace the worn piece ifthe shaft is rusted and worn then the whole motor shaft has to b...

Page 40: ...40 SSHandbook Maintenance Electrical...

Page 41: ...iented with the flat side UP Ifthe stator is rotated around the shaft with the wrong side up then the motor will spin with grinding noise ifthe bushings are wrong side up the motor will spin slower fr...

Page 42: ...e drive screw and the area around the little gear Do not lubricate the cable or the mast Slide the brushes switched assembly over the shaft highlighted magenta If brushes are loose re gap as required...

Page 43: ...should be a two pin connector hanging there going to nothing 2 WAGON Remove right back body pillar finish panel to access programming connector THIS IS THE WAGONS PIN LOCATION SKIP THIS IF YOU DONT H...

Page 44: ...n within 1 second of step C the 2nd and 3rd time through this sequence B Press the door unlock button within 1 second of step A Sedan Reprogramming Connector Wagon Reprogramming Connector C Press the...

Page 45: ...96 vehicle may also set any of the following DTCs o P0410 o P0412 o P1415 o P1416 o P0100 o P0101 o P0102 A 1995 vehicle may set a DTC 48 There will also be evidence of water in the AIR pump Cause Und...

Page 46: ...st 1 Locate the relay center 1 and air cleaner box 2 2 Remove the AIR hose and clamp 1 from the air cleaner box 3 Insert the plug 2 into the air cleaner boxAIR hose inlet 3 4 Install the AIR hose and...

Page 47: ...pump relay 2 from the relay center 3 7 Install the relay cover 1 8 Install new emission label to radiator support 3 9 Update vehicle calibration 1995 4 3 L L99 Caprice and 1996 vehicles Part Number De...

Page 48: ...abor Times Copyright General Motors Corporation All Rights Reserved Notes For a 1994 early 1995 with stock exhaust manifolds and you delete the AIR pump system you will need a 18 drain plug Dorman P N...

Page 49: ...d on by two bolts and connecting by hoses to the solenoid The solenoid is connected by bracket to the engine that is secured a bolt 3 Be sure to make note of how the hoses are connected while removing...

Page 50: ...a little tricky but give a good look to them and you ll see how they come off Remember There is still gas in the lines and it will pour out so have a pan handy and then keep it there until the gas ru...

Page 51: ...ow position a floor jack or transmission jack underneath the tank to support it Put some pressure on the tank to take the load off the bolts for the straps The bolts should come out with little effort...

Page 52: ...a fuel line disconnect tool for this 7 With the tank lowered a bit you have easier access to the fuel supply and return lines Move the rubber boot out the way and you ll see the QD Use the disconnect...

Page 53: ...mp install the sender and pump assembly Tighten the nuts in a cross over pattern to the correct torque specs Put the tank on the jack and get it close to mounted Connect the supply evaporation and ret...

Page 54: ...t go any hotter than that or you could burn the paint Where they sit in the vehicle these sending units get no breeze and so they are very susceptible to corrosion because dirt salt and moisture just...

Page 55: ...tion Spring Procedure 1 Take the sending unit apart using a Torx bit Under the cap is a spring which may jump out if you aren t careful 2 Current is conducted through the spring to the resistor As the...

Page 56: ...gauge Aclean wiper 4 Once you are finished with the wiper begin cleaning the rotator connection any way that you can Here it s being pointed to with a jeweler s screwdriver The rotor Fine grit sand pa...

Page 57: ...the resistor These got a little hot 7 Clean the corresponding resistor area with a pencil eraser Be VERY gentle with the resistor The wire isn t real strong so take your time Ifyou break it it s dead...

Page 58: ...nk is empty NOTE that the jaw is NOT grabbing the resistor itself but the plastic housing Be gentle with that resistor wire Not so good solder application 10 Now you need to run a bead of solder from...

Page 59: ...ends of the leads strip 1 4 of insulation off the wires and solder them directly to the fuel pump leads side by side so ifyou ever need to replace the fuel pump you just touch the hot soldering gun t...

Page 60: ...d go plug it into the vehicle harness then turn the ignition on You can verify the gas gauge circuit is working by watching the gauge on the dash respond to you moving the float Then bolt everything b...

Page 61: ...61 SSHandbook Maintenance Fuel System Anice side shot Aview ofthe wiper...

Page 62: ...ps screwdriver Channel lock pliers Hand rivet gun 3 8 open end wrench Only for Nut Bolt hardware method Bearing grease White spray lithium grease Can Blue painters tape Magnet tool Just in case Materi...

Page 63: ...ull out and remove it 2 Remove the screw in the center of the door handle pocket Behind the door handle 3 Then carefully insert a small flat screwdriver in either end ofthe pocket and press in on the...

Page 64: ...Repeat until all four door panel plugs are removed from the door Now carefully grab the door panel near the top on both ends and lift up on the Rear of the door panel 1st until the inside seal comes...

Page 65: ...est bracket rivets don t go any deeper all you want to do here is just remove the rivet head Gently tap out the rivets then remove the bracket and set aside 7 Notice that the end ofthe track is crimpe...

Page 66: ...r but 1st you need to pop the remaining good slider out offthe ball stud at the front Use your door panel plug tool and carefully apply pressure to the slider until it pops out the ball stud After clo...

Page 67: ...this one 12 Remove the old sliders from the slider track and wipe the track clean of any debris and old grease Get your grease again and apply a thin new layer to the inside ofthe slider track where t...

Page 68: ...e tape that holds the window up while holding the window in place so it won t fall Now slowly lower the window until you can align the slider track back up with the holes in the window track You ll li...

Page 69: ...ave dropped Have a magnet or shop vac handy in case you need it and DON T leave any metal in the door that can rattle around while you re driving 19 Now remove the window switch from the harness conne...

Page 70: ...gear oil because ofthis Check the option tag in the trunk ifit says G80 you have a LSD rear end and need to use quality gear oil but not synthetic and use the limited slip additive Ifyou don t have a...

Page 71: ...VERY careful they tend to break by removing it this way Its tricky getting it out due to the locking mechanism so be patient and careful When it s out disconnect the harness to the lock 3 Next remove...

Page 72: ...s snug and not moving 6 Reinstall the drain plug lower the car and fill it up with new oil Add four quarts and then check and add until you get in the crosshairs Start the vehicle and let the oil flow...

Page 73: ...a few other sensors control the entire fuel air cycle ofyour car You cannot replace those with anything other than real O2 sensors unless you want the car to run like crap If you convert to OBD I you...

Page 74: ...ot change it depending on the condition because they know about failure and have seen it happen So ifyou re in doubt ask a professional many places offer 50 60 inspections and ifit checks out then the...

Page 75: ...sealant 10 After you get a few bolts started insert the rest to be sure you have everything lined up and the gasket isn t wrinkled or out ofplace 11 Tighten the bolts to specs and don t over tighten t...

Page 76: ...ModificationSS...

Page 77: ...ofthe grill 2 There is a hole behind the original bow tie Use a rod or screwdriver to press the old bow tie out It is stuck in place by two sided tape so push slowly while applying back pressure to th...

Page 78: ...l finished This will help to keep you from being injured and the coolant will not be flowing Put the bucket below the water pump as indicated in the picture Put spare rags on the intake manifold or Ho...

Page 79: ...offthe pipe green 5 Take the long length ofoverflow hose purple from Step 2 and attach the unconnected end the end that you previously cut to the metal pipe green Use the screw clamp from the front of...

Page 80: ...e 8 position ofthe biggest harness Schematics say pink but it could be green 5 Tap into this wire and solder in a piece ofyour spare wire to each end that was just cut 6 Now slide your wires through t...

Page 81: ...with some electrical tape temporarily 5 Insert you key and attempt to start your engine Ifit works The car will crank and the Pass Key Fault LED will go out It is suggested that you fully solder the...

Page 82: ...g that your key chip is losing its luster and that you need a new one but it s going to crank anyways You don t need a new key but you do need to recheck your ohms and repeat the process Although the...

Page 83: ...6 wide and no deeper than 3 1 2 18 gauge wire and a length of black ribbed wiring conduit About 5 Soldering iron or some other method of splicing 10 9 8 7 6 5 4 3 2 1 20 19 18 17 Harness side pin out...

Page 84: ...dangle into the are below the instrument panel and replace the bezel 8 Remove the access panel below the steering wheel by removing the two screws on the bottom ofit Then remove the steel plate behind...

Page 85: ...to a standard dual filament brake turn signal light One is quick and partially successful and one more time consuming and by far the best solution Better Quick Drill out the center parking light squar...

Page 86: ...a 45 degree angle as to have most of the edge facing the inside of the bucket By holding the tool at this angle you will see how to cut easier and we will have more bucket edge to apply adhesive to o...

Page 87: ...ste the 712 10 Let the center cure for about 15 20 minutes before removing the tape You will note that the accelerator will cause the adhesive to turn white but this is easily cleaned offwith rubbing...

Page 88: ...e adhesive and exposed aluminum ofthe socket plate Note the following pictures When installed you will have to press down firmly while rotating the socket to its correct position Look closely at the o...

Page 89: ...es on direct visual inspection Below are some basic pictures ofthe before and after on a reflector bucket You can plainly see silver spray paint that does not reflect light all that well even with a f...

Page 90: ...est results The following bulb and lens assembly lumen power survey was conducted using a General Electric Model 214 color and cosine corrected light meter with direct measurement readout in footcandl...

Page 91: ...ll you get another 30 increase with much brighter 100 backup lights and center bulb output Rear lamps appear to display multi faceted lens characteristics as opposed to solid dull lamp illumination Th...

Page 92: ...later all the necessary components to build a highly effective no loss system are at hand and not necessarily that much money either All that appears to be lacking is widespread know how as to what is...

Page 93: ...ssure just prior to the point of intake valve closure Compared with intake exhaust tuning is far more potent and can operate over ten times as wide an rpm band When it comes to our discussion ofexhaus...

Page 94: ...hout knowledge to the contrary the biggest fear is that the selected tube diameters could be too small thereby constricting flow and dropping power Sure ifthey are way under what is needed lack offlow...

Page 95: ...tional as opposed to a 180 degree header exhaust pulses are spaced 90 180 270 180 90 and so on The two cylinders discharging only 90 degrees apart are seen by the collector as one larger cylinder and...

Page 96: ...em is optimal The quick and dirty answers to these questions are not much and zero This next sentence is the key to the whole issue here so pay attention To achieve a zero loss muffled high performanc...

Page 97: ...reciate Why Because so many racers worry about having a large diameter pipe in and out ofthe muffler This concern is totally misplaced as in almost all but a few cases the muffler is the point ofrestr...

Page 98: ...h muffler flow requirements out of the way we can move on to methods of applying suitable capacity mufflers to the system without needless disruption of length induced pressure wave tuning Probably th...

Page 99: ...nto a system produces a layout along the lines seen in Fig 9 With enough volume the resonator box makes everything down stream appear invisible to the header s primary and secondary tuned lengths With...

Page 100: ...ays a positive asset and never a negative Balance pipe sizing seems not to be overly critical The only really influential dimension is the pipe diameter This needs to have an area at least equal to th...

Page 101: ...flow Dynatech and for a number of specialized truck installations Gale Banks These are not the only ones but they are all the companies ofwhich I have experienced the no nonsense functionality oftheir...

Page 102: ...A I S S http www impalaperformance com Places the MAF sensor and filter directly onto the throttle body for quicker response Encloses the filter to promote cold air Air Force 1 option supplemented by...

Page 103: ...a pivot point 7 Snap the air box back into place on the PCM You should be able to turn the air box somewhat 8 Put the filter back in and put the lid back on the air box 9 Turn the air box towards the...

Page 104: ...way be careful not to tear any wires 6 Once removed reinstall the four screws back into the fuel rails Otherwise you will have problems later Use zip ties to strap down any loose hoses or wires so th...

Page 105: ...ovement store Home Depot Lowe s ACE Hardware etc for about 8 with exception ofthe undercoating The undercoating can be purchased at an auto parts store for about 2 Total cost 10 Prices will vary This...

Page 106: ...tention to the coupling piece at the right ofthe First Base This coupling clamps to the MAF and is notched on top to center the coupling Yours may also need to notch your sewer pipe coupling to ensure...

Page 107: ...harness or make one yourself This write up assumes that you have a general knowledge and skill level with hand tools If you are uncomfortable using some ofthe tools needed for this please get someone...

Page 108: ...the cluster When it looks good then cut the left side You might think Looks like it fits ok why cut the left side The answer is that s where the harness adapter plugs in Speedometer needle on the righ...

Page 109: ...ounting without removing factory connectors 11 Once you get the cluster seated and fitting with the upper and lower dash as well as the bezel it s time to turn your attention to the PCM Red PCM connec...

Page 110: ...General Information...

Page 111: ...very good diagnostic details with screen shots documenting each situation Author takes NO CREDIT for the information provided all that was done was to cull it down to detailed text and screen shots t...

Page 112: ...112 SSHandbook General Information ABITS Opti spark The distributor shaft is driven by the camshaft...

Page 113: ...113 SSHandbook General Information ABITS Opti spark Apin in the camshaft sprocket engages a slot in the distributor This is known as Pin Drive is a more robust design than spline drive distributors...

Page 114: ...114 SSHandbook General Information ABITS Opti spark APin Drive unit can be identified by the ForcedAir Ventilation System...

Page 115: ...115 SSHandbook General Information ABITS Opti spark Inside the ABITS there s a rotor with a wide spark edge segment making for a long life and reduced radio interferrence...

Page 116: ...ok General Information ABITS Opti spark Underneath the rotor and protection shield lie the heart ofthe ABITS Bolted to the pickup assembly is optical sensor The Optical sensor consists oftwo Photo LED...

Page 117: ...ected to the distributor shaft and turns with the camshaft The PCM sends two 5Volt reference signals to the optical sensor as the signal disc turns the two rows ofslots on the signal disc pass beteeen...

Page 118: ...signal disc contains 360 slots which provide 720 tiny edges for the PCM This is known as the high resoultion signal The inner ring ofthe disc has 8 slots each ofwhich have a leading edge 45 cam degree...

Page 119: ...ch cylinder The slots are different sizes enabeling the PCM to identify specific cylinders The PCM does this by counting the high resolution signal as the low resolution slots pass the optical sensor...

Page 120: ...uts from the low resolution signal Including ECT MAP KSs and battery voltage the PCM calculated coil dwell and spark advance From a low resolution signal going high the PCM starts counting high resolu...

Page 121: ...hen the PCM counts enough high resolution edges to reach the calculated spark advance it terminates the ignition control signal and the ignition module turns off primary voltage to the coil When the i...

Page 122: ...122 SSHandbook General Information ABITS Opti spark...

Page 123: ...dule is smaller than an HE distributor module it is still important when installing a new module to coat both the heat sink and module base with thermal conductive grease This helps the module disappa...

Page 124: ...ug by non radial paths using conductive ink The ink traces are then encapsulated with epoxy This routing allows 4 plugs wires on each side without causing crossfire problems Proper ventilation is nece...

Page 125: ...so it settles on the bottom ofthe distributor And when it forms noitrogen and moisture in the air it forms Nitric Acid This can create conductive paths and cause misfires and cross fires The corrosiv...

Page 126: ...sign with a forced ventilation system has a fresh air system and a vacuum line The fresh air inlet runs from the distributor to the air inlet duct located just after the MAF sensor By plugging into th...

Page 127: ...ABITS Opti spark Just up from the orifice tube is a check valve The blue side ofthe orifice tube faces the intake manifold Just up from the orifice tube is a check valve The check valve does not allo...

Page 128: ...plugged for any reason it will draw vacuum on the distributor As the vacuum is created inside the distributor the dielectric properties inside will go down and as that happens spark that would normal...

Page 129: ...ion ABITS Opti spark Other problems may result ifthe air inlet line is plugged In some cases engine vacuum is strong engough to collaps the cap until it contacts the rotor There s enough vacuum to act...

Page 130: ...um Don t forget to plug the hole in the snorkel at this time Checking with a vacuum gauge Mity Vac or equivalent Remove the air inlet from the snorkle and hook a vacuum gauge up tho the inlet line As...

Page 131: ...nt complaints require addition diagnosis AMisfire may be caused by fouled plugs and plug wires AMisfire may be caused by ventilation system problems The causes ofNO spark or intermetent complaints req...

Page 132: ...camshaft turns 1 complete revolution the ABITS doesn t provide high resolution signal for piston location a code 16 is set The optical sensor diode for the high resolution signal must operate before a...

Page 133: ...doesn t get Hi resolution signal for 9 consecutive low resolution signals 1 An open or shorted or grounded high resolution wire or open terminal 2 Afailed optical sensor diode 3 Failed PCM Acode doesn...

Page 134: ...134 SSHandbook General Information ABITS Opti spark...

Page 135: ...fthere is an open in the ignition control line or ifthe ignition control line is shorted to voltage that is higher than 4 5 Volts Code 41 also sets ifthere is also an open terminal in the ignition con...

Page 136: ...voltge is less than 4 volts Acode 42 is most likely caused by a grounded ignition control wire But it could also be cause by a failed ignition driver module or a failed PCM Code 41 42 are stored in M...

Page 137: ...equiers 25 000 volts to fire it can be use used the ignition system is producing enough voltage to fire Ifthe system isn t producing adequate voltage Check the voltage in the primary ignition cicruit...

Page 138: ...coil driver module the problem exists between the distributor and the PCM Ifthere wasn t 1 4 Volts the ignition system check examines more closely where the signal from the PCM is breaking down Using...

Page 139: ...he various circuits individually To see ifthe proper signals are being sent and received from both the distributor and PCM Ifthe light illuminated in the last test check for continuity between distrib...

Page 140: ...thoroughly tests each component ofthe ignition system Many ignition system failures are intermittent in their early stages These are especially difficult to find The best approach is to try and repro...

Page 141: ...ark Misfires are also due to a spark plug or secondary wire that is leaking voltage Ifthe engine misfires only under a load mist the wires with a vegetable sprayer Spark escaping from the secondary ci...

Page 142: ...KER 52455732 A C BLOWER MOTOR RESISTOR 12088567 A C COMPRESSOR RELAY 95 96 ONLY 10115875 A C DELETE PULLEY 1LE 52458911 A C VAC CHECK VALVE A C DASHBOARD 14056648 A C VACUUM CHECK VALVE VACUUM HOSE ON...

Page 143: ...028 AXLE PINION SEAL NEW STYLE WON T WORK W STOCKYOKE 554631 AXLE SEALS 12470387 AXLE YOKE SERVICE KIT CONT NEW PINION FLANGE 10128489 BALANCER DAMPER LT1 GM 92 97 12551138 BALANCER DAMPER 93 95 94400...

Page 144: ...ACK 10267872 BUMPER MOLDING FRONT DCM 10267871 BUMPER MOLDING FRONT DGGM 10249329 BUMPER MOLDING REAR BLACK LH 10249328 BUMPER MOLDING REAR BLACK RH 10186281 BUMPER REINFORCEMENT FRONT 10161976 BUMPER...

Page 145: ...PER SEO GREEN 10246557 COOLANT RADIATOR INSULATOR UPPER 12528777 COOLANT RADIATOR OVERFLOW TANK 10219447 COOLANT RADIATOR RECOVERY HOSE SEO GREEN 12522746 COOLANT RADIATOR SUPPORT BRACE 12522867 COOLA...

Page 146: ...363287 CYLINDER HEAD STOCK LT4 COMPLETE 11 235 4103 CYLINDER HEAD STUDS ARP 10248200 DASH PAD GRAY 10268239 DASH PLATE CAPRICE SS 10250947 DASH PLATE IMPALASS 24210915 DEEP TRANSMISSION PAN NO DRAIN P...

Page 147: ...CANISTER BRACKET SCREW PACK OF 10 12124134 EVAP CANISTER CHECK VALVE VACUUM 1997201 EVAP CANISTER PURGE SOLENOID 12555984 EVAP CANISTER PURGE SWITCH 9438315 EVAP HOSE 10105324 EVAP SOLENOID HOSE FROM...

Page 148: ...ARTS FOR RETURN LINE 10191138 FUEL TANK HEAT SHEILD 1 OF 2 10203814 FUEL TANK HEAT SHEILD 2 OF 2 25028955 FUEL TANK LEVEL SENDING UNIT NAPA888536 FUEL PUMP HARNESS FOR IN TANK SENDING UNIT ACDELCO EP3...

Page 149: ...5234890 HYDRAULIC LIFTER 93 95 17120735 HYDRAULIC LIFTER 96 12371042 HYDRAULIC LIFTER KIT 24501365 HYDRAULIC LIFTER BOLTS 12550002 HYDRAULIC LIFTER GUIDES 14101116 HYDRAULIC LIFTER RETAINER 120386 HY...

Page 150: ...7653 LS6 ENGINE 05 CADDY 88894193 LT1 ENGINE 94 95 B BODY 88894195 LT1 ENGINE 95 F FODY 88894194 LT1 ENGINE 96 B BODY 88894197 LT1 ENGINE 96 97 F FODY 12527740 LT1 WATER PUMP B BODY 12527741 LT1 WATER...

Page 151: ...LH 12524188 MOLDING WHEEL WELL FRONT DCM RH 12524187 MOLDING WHEEL WELL FRONT DGGM LH 12524186 MOLDING WHEEL WELL FRONT DGGM RH 12522937 MOLDING WHEEL WELL REAR BLACK LH 12522936 MOLDING WHEEL WELL RE...

Page 152: ...AUGE 140 280 2 5 8 W GMPP ON FACE 10096181 OIL TEMP SENDING UNIT 12102748 OIL TEMP SENDSOR CONNECTOR 25325403 OIL FILTERAC PF52 DURAGUARD SILVER 25171377 OIL FILTERAC PF52 DURAGUARD 134 7901 OIL PUMP...

Page 153: ...1 RACKS CARRIERS 15757172 RADIO CASSETTE PLAYER 15071233 RADIO CD PLAYER 12555714 REAR MAIN SEAL HOUSING GASKET 1052369 REARVIEW MIRRORADHESIVE CCA 1305 16 ROCKERARMS CC PRO MAG 1 6 W 7 16 STUD 124954...

Page 154: ...94 96 W N40 STEERING 2 36 516309 STEERING PUMP REMAN AC 26014085 STEERING SHAFTASSEMBLY 10225365 STEERING STOP LARGER THAN STOCK LH 10225366 STEERING STOP LARGER THAN STOCK RH 16757633 STEERING WHEEL...

Page 155: ...COOLER PIPE AIR TO TRANS HOSE ASSY 10269707 TRANS COOLER PIPE RADIATOR TO COOLER 8679994 TRANS DEEP PAN 4215535 TRANS DEEP PAN TRUCK STYLE MUST USE FILTER KIT 24208576 2 8633208 TRANS DEEP PAN FILTER...

Page 156: ...MPOSITE V C 15552872 VEHICLE SPEED SENS VSS O RINGAUTO TRANS 12361406 VOLT GAUGE 8 18 VOLTS 2 5 8 W BOWTIE ON FACE 123701176 VOLT GAUGE 8 18 VOLTS 2 5 8 W WHITE FACE BOWTIE 10261164 WARRANTY OWNER S B...

Page 157: ...5 WOOD GRAIN LOWER DASH PLATE 10240921 WOOD GRAIN SWITCH PANEL DRIVER 10240920 WOOD GRAIN SWITCH PANEL PASS 10237292 ZZ502 BLOCK 4 BOLT MBC 12371171 ZZ502 CRATE MOTOR UNASSEMBLED 502HP 12371204 ZZ502...

Page 158: ...ns Sedan Wagon Impala SS Head Room 39 2 39 6 39 2 Leg Room 42 2 42 2 42 2 Shoulder Room 63 4 63 4 63 4 Hip Room 57 0 56 9 57 0 Interior Rear Dimensions Sedan Wagon Impala SS Head Room 37 9 39 4 36 6 2...

Page 159: ...enerator upper rear bracket bolt 37 lb ft 13mm M10 x 1 5 x 20 Generator lower rear bracket bolt 18 lb ft 13mm M10 x 1 5 x 20 Generator upper brace manifold nut 24 lb ft 9 16 3 8 16 Ignition Coil Bolts...

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Chevrolet Impala SS, Handbook

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