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Audi A8 2010 ➤

Maintenance - Edition 11.2014

22

3. Maintenance

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Содержание A8 2010

Страница 1: ...whole is not permitted unless authorised by AUDI AG AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document Copyright by AUDI AG Maintenance...

Страница 2: ...eral information 2 Preparations 3 Maintenance Technical information should always be available to the foremen and mechanics because their careful and constant adherence to the instructions is essentia...

Страница 3: ...ss 42 3 14 Tyres checking condition and wear pattern and checking and recording tread depth 43 3 15 Tyres checking tyre pressures and adjusting if necessary 45 3 16 Tyre Pressure Loss Indicator storin...

Страница 4: ...em checking anti freeze protection and coolant level and correcting if necessary 100 3 50 Air cleaner renewing filter element and cleaning housing 103 3 51 Plenum chamber and water drains checking for...

Страница 5: ...lights Engine oil filling up page 78 Notes for 6 3 ltr FSI engine ver sion added Body checking vehicle paintwork for damage and corro sion from below and with bonnet rear lid and doors open page 135...

Страница 6: ...6500 2500 48 50 CGWD V6 3 0 TFSI 228 440 Timing chain 89 0 84 5 10 5 5500 6500 2900 45 00 CGXC V6 3 0 TFSI 245 440 Timing chain 89 0 84 5 10 5 5500 6500 2900 53 00 CHJA 4 cyl in line 2 0 TFSI hy brid...

Страница 7: ...50 1 2 2 Diesel engines Engine code Engine type number of cylin ders Capaci ty ltr Injection system Power out put kW rpm Torque Nm rpm Cam shaft drive Stroke mm Bore mm Com pression ratio 1 CDSB V8 4...

Страница 8: ...on rail 283 850 Timing chain 95 5 83 0 16 4 3750 2000 27 50 1 3 Engine number Note The engine number consists of the engine code letters 3 or 4 characters and the serial number 4 cyl petrol engine 2 0...

Страница 9: ...he gearbox arrow The engine number is also given on the sticker on the toothed belt cover top In addition the engine code letters are listed on the vehicle data sticker page 7 1 3 3 6 cyl petrol engin...

Страница 10: ...t between the engine and the gearbox arrow The engine number is also given on the sticker on the toothed belt cover top In addition the engine code letters are listed on the vehicle data sticker page...

Страница 11: ...er is located At the bottom left edge of the windscreen Optional In the MMI under Car systems Under the carpet on the front passenger s side On the vehicle data sticker page 7 The vehicle identificati...

Страница 12: ...d on some export models 4 Paint number interior equipment number 5 Numbers for optional extras 6 Fuel consumption urban extra urban combined CO2 not specified on some export models 1 6 Warnings for hi...

Страница 13: ...red coloured ring High voltage wiring har ness for hybrid battery negative terminal P2 brown coloured ring Coded high voltage connections on hybrid battery unit AX1 Coding of high voltage connections...

Страница 14: ...vehicle underbody visually inspect the high voltage wiring and covers Before working on the rear section of the vehicle visually inspect the high voltage wiring and the electro box with the maintenan...

Страница 15: ...ypes of work on high voltage vehicles Basic information on high voltage vehicles Rep gr 00 Qualification of internal external personnel Note distinguishing features of Audi high voltage vehicles de sc...

Страница 16: ...ge vehicles Overview of high voltage components and wires page 8 1 6 5 Work that must be performed with the ignition switched off WARNING Safety hazard the engine can start unexpectedly Before carryin...

Страница 17: ...ting page 20 2 1 Vehicle raising Caution Risk of damage to vehicle due to incorrect use of lifting plat form Do not exceed the permissible lifting capacity of the lifting platform The vehicle should b...

Страница 18: ...voltage vehicle can start un expectedly Observe warnings for high voltage system For work that must be performed with the ignition switched on page 11 Procedure Switch on ignition and activate MMI Pre...

Страница 19: ...gine 6 3 ltr FSI page 17 6 cyl diesel engine 3 0 ltr TDI version 1 page 17 6 cyl diesel engine 3 0 ltr TDI version 2 page 18 8 cyl diesel engine 4 2 ltr TDI page 18 2 2 1 4 cyl petrol engine 2 0 ltr T...

Страница 20: ...er panel for the 6 cylinder 3 0 ltr TFSI petrol engine page 16 2 2 4 6 cyl petrol engine 3 0 ltr TFSI version 2 Procedure for removing Carefully pull engine cover panel off retaining pins one after an...

Страница 21: ...2 7 12 cyl petrol engine 6 3 ltr FSI Procedure for removing Carefully pull engine cover panel off retaining pins one after another arrows Procedure for installing Position engine cover panel on retai...

Страница 22: ...3 0 ltr TDI diesel engine page 17 2 2 10 8 cyl diesel engine 4 2 ltr TDI Procedure for removing Carefully pull engine cover panel off retaining pins one after another arrows Procedure for installing...

Страница 23: ...towards rear out of bottom section of bumper cover and detach Procedure for installing Install in reverse sequence Note tightening torques see table of tightening torques for installation page 19 Not...

Страница 24: ...gage when installing 2 4 Window regulators activating automatic open close function WARNING Risk of injury as engine of high voltage vehicle can start un expectedly Observe warnings for high voltage s...

Страница 25: ...information in this document Copyright by AUDI AG Diagnosis system VAS 6160 A Remote diagnosis head VAS 5054A Or Diagnosis interface VAS 5055 Procedure Plug connector for remote diagnosis head VAS 505...

Страница 26: ...es in part or in whole is not permitted unless authorised by AUDI AG AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document Copyright by AUD...

Страница 27: ...ke system checking condition of brake hoses and checking that caps are fitted on bleeder screws page 42 Brake pads checking thickness page 42 Brake fluid checking fluid level page 41 Brake fluid chang...

Страница 28: ...l filter page 70 Engine oil filling up page 78 Engine oil checking oil level and correcting if necessary page 79 Battery connecting to a stationary battery charging unit for sus tained charging page 3...

Страница 29: ...370 ml 6 cyl diesel engine 3 0 ltr TDI CPNA CPNB CTBA Particulate filter oil ash de posit volume Oil ash deposit volume 380 ml 8 cyl diesel engine 4 2 ltr TDI All Exhaust bank 1 particu late filter o...

Страница 30: ...ctedly Observe warnings for high voltage system For work that must be performed with the ignition switched on page 11 Procedure Connect vehicle diagnostic tester page 20 Select Diagnosis mode and begi...

Страница 31: ...ation on which service channel to reset and what data to enter 3 4 Transport mode deactivating WARNING Risk of injury as engine of high voltage vehicle can start un expectedly Observe warnings for hig...

Страница 32: ...Switch to Special functions tab and select following program 34 Activating deactivating shipping mode Start program by selecting Carry out check Continue to follow instructions on screen Note Deactiv...

Страница 33: ...end the diag nostic log file online After the diagnosis is complete you will receive confirmation that the test log was sent successfully 3 6 2 Second battery A1 Only applies to hybrid vehicles Proced...

Страница 34: ...7 1 All models except A8 hybrid WARNING Risk of injury due to loose battery clamp on positive terminal Disconnect battery clamp from negative terminal and then tighten battery clamp on positive termi...

Страница 35: ...d Observe warnings for high voltage system Handling high voltage wires page 11 For work in the vicinity of high voltage components page 10 WARNING Risk of injury due to loose battery clamp on positive...

Страница 36: ...curely seated If necessary tighten nuts 3 and 4 to specified torque see table of tightening torques for in stallation Check by hand that battery A and second battery A1 are securely installed If neces...

Страница 37: ...ttery Install in reverse sequence Note A bright hand held light helps to better see the MIN and MAX markings on the housing If battery is difficult to see Use a small mirror to check the electrolyte l...

Страница 38: ...e magic eye is also referred to as an ALI acid level indica tor The magic eye is only for use in determining the electrolyte level During battery charging or vehicle operation air bubbles can form und...

Страница 39: ...nformation in this document Copyright by AUDI AG Battery charger VAS 5906 Wire Requirements Ignition switched off Procedure for connecting battery charger Guide wire from above through engine compartm...

Страница 40: ...ly in engine compartment Switch on battery charger VAS 5906 and adjust settings as needed Position battery charger VAS 5906 under vehicle so that it is hidden from view as well as possible ensuring th...

Страница 41: ...he table is for one brake caliper i e if there are two bleeder screws on one caliper the sum of the quantities discharged from both bleeder screws must equal the value given in the table Sequence of o...

Страница 42: ...t brake fluid from reservoir with strainer installed until fluid is level with bottom edge of strainer Make sure that no more fluid flows back into reservoir from strainer after extracting fluid Screw...

Страница 43: ...ke fluid to discharge page 37 Close bleeder screw If there are two bleeder screws on each brake caliper Repeat procedure with second bleeder screw Refit cap on bleeder screw s Repeat procedure on pass...

Страница 44: ...to collector container 1 onto bleed er screw of clutch slave cylinder Open bleeder screw and allow correct amount of brake fluid to flow out see table of test values and procedure guidelines page 37 C...

Страница 45: ...environmental regulations for disposal of brake fluid 3 11 Brake fluid checking fluid level Table of test values and procedure guidelines Type of service Fluid level specification Delivery Inspection...

Страница 46: ...sity blistering and cracking Check that brake connections are seated correctly and check for corrosion and leaks If faults are found on brake hoses Repair renew relevant com ponent Check that caps are...

Страница 47: ...o move the slid ing ring This would give an incorrect measurement Note where the test gauge makes contact on the rear of the brake pad and include the thickness of the damper plate in the calculation...

Страница 48: ...n sidewalls If damage is found Renew tyres Step 2 checking tyre wear pattern Check tyre wear pattern of front wheels check for the follow ing Feathering on tread indicating possible incorrect toe sett...

Страница 49: ...tyre guide for tyre pressure specification Wheel Tyre Guide Rep gr 44 Wheels tyres vehicle geometry Tyre pressures Procedure Check tyre pressure of all tyres If necessary adjust to correct tyre pressu...

Страница 50: ...yres must be adjusted to the correct values before the pressures are stored Procedure Switch on ignition and activate MMI Press function selector button CAR Under Car systems navigate through followin...

Страница 51: ...d Torque wrench V A G 1332 measuring range 40 to 200 Nm Or torque wrench V A G 1576 measuring range 80 to 400 Nm Table of test values and procedure guidelines Fastener Tightening torque Nm Wheel bolts...

Страница 52: ...axle page 48 Rear axle page 50 3 20 1 Front axle Track control links guide links and coupling rod Check relative movement between wheel bearing housing and track control link guide link Track control...

Страница 53: ...s of swivel joints all around for damage and make sure they are seated correctly Check swivel joints for play Check bonded rubber bushes 3 and 4 of swivel joints top for play Anti roll bar Check anti...

Страница 54: ...AUDI AG 3 20 2 Rear axle Lower and upper transverse links Check relative movement between wheel bearing housing and both transverse links Check all bonded rubber bushes arrows of lower transverse lin...

Страница 55: ...r leaks and damage DANGER Risk of fatal injury if high voltage components are damaged Observe warnings for high voltage system For work in the vicinity of high voltage components page 10 Procedure Che...

Страница 56: ...applies to equipment version with sliding tilting sunroof Cleaning and lubricating the roof insert is a repair measure and should be charged separately Procedure Open and close roof system completely...

Страница 57: ...e 1 to lubricate sides and rear of glass panel seal arrows with Krytox lubricating paste G 052 141 A2 Make sure that no coarse residue remains visible after applying lubricant Open glass panel complet...

Страница 58: ...e of guide rail arrow with lubricating paste G 060 751 A2 Use a paintbrush to lubricate outside of guide rail arrow with lubricating paste G 060 751 A2 Use a paintbrush to lubricate side guide rail of...

Страница 59: ...aintbrush approx 15 mm wide and bent by approx 40 using workshop equipment Fine pored sponge e g a piece of household sponge without a scouring surface Cleaning and lubricating the roof insert is a re...

Страница 60: ...ess of information in this document Copyright by AUDI AG Use a paintbrush to lubricate top guide rail of glass panel arrow with lubricating paste G 060 751 A2 Use a paintbrush to lubricate bottom guid...

Страница 61: ...eck again for surplus lubricant Step 3 cleaning glass panel Glass panel opened completely Remove grease and dirt from front and side edges of glass panel arrows using cleaning solution D 009 401 04 an...

Страница 62: ...eaner to remove any loose residue from wind deflector slot arrows 3 26 Bonnet arrester hook lubricating Special tools and workshop equipment required Universal spray oil G 000 115 A2 Requirements The...

Страница 63: ...check spray pattern If spray pattern is not set as specified adjust windscreen washer jets page 59 3 27 2 Checking windscreen spray pattern hy brid jets The spray pattern must meet the following spec...

Страница 64: ...he jets cannot be adjusted individually or laterally 3 28 Wiper blades checking for damage Step 1 service position Switch off ignition Press windscreen wiper lever downwards briefly Step 2 checking Li...

Страница 65: ...t unit VAS 5047 A Or headlight adjustment unit VAS 5208A Or headlight adjustment unit VAS 5209B Performed as part of an inspection this check is merely an ab breviated form of the headlight adjustment...

Страница 66: ...m one another Check and adjust headlight setting according to procedure specified in Workshop Manual Electrical system Rep gr 94 Head lights Adjusting headlights 3 31 Headlights and reversing lights s...

Страница 67: ...properly This model is fitted with two reversing lights Use appropriate switch to activate rear fog lights and check that they function properly This model is fitted with two rear fog lights Renew any...

Страница 68: ...inspection 3 34 Horn checking operation WARNING Risk of injury as engine of high voltage vehicle can start un expectedly Observe warnings for high voltage system For work that must be performed with...

Страница 69: ...system check varies depending on the model and equipment 3 36 Seat belts checking that retaining rivets are fitted and checking locking action of automatic belt retractor Procedure For all seat belts...

Страница 70: ...first aid kit 3 40 Vehicle keys checking operation and recording number of keys given to cus tomer Procedure Open key ring to check each key individually Start engine with each key individually Record...

Страница 71: ...ponents clean 8 cyl petrol engine 4 0 ltr TFSI page 67 12 cyl petrol engine 6 3 ltr FSI page 68 3 41 1 8 cyl petrol engine 4 0 ltr TFSI Special tools and workshop equipment required Used oil collectio...

Страница 72: ...in plugs and tighten to specified torque see table of tightening torques for installation page 67 3 41 2 12 cyl petrol engine 6 3 ltr FSI Special tools and workshop equipment required Used oil collect...

Страница 73: ...ment required Used oil collection and extraction unit V A S 6622 A Procedure Pull oil dipstick sealing plug out of guide tube Insert extraction probe of oil extraction unit into guide tube Use flexibl...

Страница 74: ...e 6 3 ltr FSI page 75 6 cyl diesel engine 3 0 ltr TDI page 76 8 cyl diesel engine 4 2 ltr TDI page 77 3 43 1 4 cyl petrol engine 2 0 ltr TFSI hybrid DANGER Risk of fatal injury if high voltage compone...

Страница 75: ...ng torques for installation page 70 Continue installation in reverse sequence 3 43 2 6 cyl petrol engine 2 5 ltr FSI 3 0 ltr TFSI version 1 Special tools and workshop equipment required Torque wrench...

Страница 76: ...nsert into groove arrow Fit new oil filter element in sealing cap Screw sealing cap into oil filter housing and tighten it to speci fied torque using socket 36 mm see table of tightening torques for i...

Страница 77: ...engine oil and fit it Fit new oil filter element 2 in sealing cap Screw sealing cap 4 into oil filter housing 1 and tighten it to specified torque using socket 32 mm see table of tightening torques fo...

Страница 78: ...of tightening torques for in stallation page 73 Continue installation in reverse sequence 3 43 5 8 cyl petrol engine 4 2 ltr FSI Special tools and workshop equipment required Torque wrench V A G 1331...

Страница 79: ...Screw sealing cap 1 into oil filter housing and tighten it to specified torque using socket 32 mm see table of tightening torques for installation page 74 Continue installation in reverse sequence 3...

Страница 80: ...of tightening torques for in stallation page 75 Continue installation in reverse sequence 3 43 7 6 cyl diesel engine 3 0 ltr TDI Special tools and workshop equipment required Torque wrench V A G 1331...

Страница 81: ...ghten it to specified torque using socket 32 mm see table of tightening torques for installation page 76 Continue installation in reverse sequence 3 43 8 8 cyl diesel engine 4 2 ltr TDI Special tools...

Страница 82: ...torques for installation page 77 Continue installation in reverse sequence 3 44 Engine oil filling up Caution Risk of engine damage if the engine is revved too soon after changing the oil The engine...

Страница 83: ...ne oil checking oil level and cor recting if necessary Caution Risk of damage to catalytic converter if engine oil level is too high Drain engine oil until level meets specification Requirements for a...

Страница 84: ...Pull oil dipstick out again and read off oil level on marked area Evaluate oil level and determine any necessary measures ac cordingly Oil level Evaluation measure Marked area arrow Optimum oil level...

Страница 85: ...l to optimum level close bonnet to refresh oil level display Note The oil level display on the MMI is not refreshed when the bonnet is open A warning lamp in the driver information system indicates th...

Страница 86: ...mponent s to renew according to the damage or irregularities found Damage irregularities found on Following component s must be renewed Poly V belt Pulley pow er steering pump Pulley coolant pump Belt...

Страница 87: ...e and reverse side Excessive traces of oil and grease on rollers and pulleys Flank wear on pulleys material wear frayed flanks surface cracks see illustration If faults are found Renew components acco...

Страница 88: ...of information in this document Copyright by AUDI AG Removal steps Remove noise insulation page 18 Procedure Apply adapter T40058 to crankshaft vibration damper see illustration Turn poly V belt cloc...

Страница 89: ...surface cracks see illustration If faults are found Renew poly V belt Rep gr 13 Cylinder block pulley end Removing and installing poly V belt Continue installation in reverse sequence Note The example...

Страница 90: ...tening torques for installation Component fastener Nm Spark plugs 30 Securing bolts for connector rail 5 Removal steps Remove engine cover panel page 15 Step 1 removing spark plugs Unplug electrical c...

Страница 91: ...B and tighten to specified torque table page 86 Fit all ignition coils loosely into spark plug apertures and align with connectors of connector rail Push ignition coils evenly onto spark plugs by hand...

Страница 92: ...Spark plugs 30 Securing bolts for connector rail 5 Removal steps Remove engine cover panel page 15 Step 1 removing spark plugs cylinder bank right side Move fuel line 1 and hose 2 leading to activated...

Страница 93: ...nition coils and detach all ignition coils from spark plugs one after the other in direction of arrow Unscrew spark plugs using spark plug socket and extension VAS 3122B Step 3 installing spark plugs...

Страница 94: ...30 Torque wrench VAS 6583 measuring range 3 to 60 Nm Table of tightening torques for installation Component fastener Nm Spark plugs 30 Bolt securing ignition coil 9 Securing bolts for connector rail 5...

Страница 95: ...ender G40 4 For inlet exhaust cam actuators F456 F457 F458 and F459 5 For intake air temperature sender G42 6 For inlet exhaust cam actuators F452 F453 F454 and F455 Disconnect vacuum hoses 3 and 7 Un...

Страница 96: ...ull ignition coil out upwards using puller T10530 Repeat removal procedure with all other ignition coils Unscrew spark plugs using spark plug socket and extension VAS 3122B Step 2 removing spark plugs...

Страница 97: ...F465 F466 and F467 4 For fuel metering valve 2 N402 5 For fuel pressure sender for low pressure G410 6 For Hall sender 4 G301 8 For inlet exhaust cam actuators F476 F477 F478 and F479 10 For Hall sen...

Страница 98: ...2B Step 3 installing spark plugs Install new spark plugs using spark plug socket and extension VAS 3122B and tighten to specified torque table page 90 Fit all ignition coils loosely into spark plug ap...

Страница 99: ...G Spark plug socket and extension 3122B Puller T40039 Torque wrench VAS 6583 measuring range 3 to 60 Nm Table of tightening torques for installation Component fastener Nm Spark plugs 30 Securing bolts...

Страница 100: ...connector towards ignition coil release re tainer and detach connector from ignition coil Place connector rail slightly to one side Make sure that wiring is not kinked or damaged Position puller T4003...

Страница 101: ...w Unscrew spark plugs using spark plug socket and extension VAS 3122B Step 3 installing spark plugs Install new spark plugs using spark plug socket and extension VAS 3122B and tighten to specified tor...

Страница 102: ...r T10094 A Torque wrench V A G 1331 measuring range 6 to 50 Nm Or torque wrench VAS 6583 measuring range 3 to 60 Nm Or torque wrench VAS 5820 measuring range 20 to 100 Nm Table of tightening torques f...

Страница 103: ...le page 98 Fit ignition coils 2 loosely into spark plug apertures and align each with corresponding recess 1 in cylinder head cover Push ignition coils evenly onto spark plugs by hand do not attempt t...

Страница 104: ...dipstick If fluid level does not meet specification Perform following measures as appropriate Fluid level Measure Above specified level Extract hydraulic fluid Below specified level Check hydraulic p...

Страница 105: ...h this may result in de creased corrosion protection G12 and G11 may NOT be mixed together Do not reuse coolant Only water coolant additive may be used as lubricant for cool ant hoses Checking coolant...

Страница 106: ...ks Step 2 checking anti freeze Use a pipette to place a drop of coolant on glass of refractom eter T10007 A Light dark border will now be clearly visible through refractometer Check level of anti free...

Страница 107: ...correct concentration coolant additives pre vent scaling and frost and corrosion damage and also raise the boiling point of the coolant Because of its high boiling point the coolant improves engine r...

Страница 108: ...8 cyl diesel engine 4 2 ltr TDI page 121 3 50 1 4 cyl petrol engine 2 0 ltr TFSI hybrid Special tools and workshop equipment required Torque screwdriver VAS 6494 measuring range 1 5 to 3 Nm Or torque...

Страница 109: ...s document Copyright by AUDI AG Release hose clip 3 and detach air pipe Unplug electrical connector 1 for air mass meter G70 Remove securing bolts arrows and detach air cleaner top section Turn filter...

Страница 110: ...lug electrical connector for air mass meter G70 back in Continue installation in reverse sequence Note tightening torque page 104 3 50 2 6 cyl petrol engine 2 5 ltr FSI Special tools and workshop equi...

Страница 111: ...ding to activated charcoal filter clear at air pipe Disconnect vacuum hose 3 from air hose Loosen hose clips arrows and detach air pipe Unplug electrical connector 1 for air mass meter G70 Remove secu...

Страница 112: ...ug electrical connector for air mass meter G70 back in Continue installation in reverse sequence Note tightening torque page 106 3 50 3 6 cyl petrol engine 3 0 ltr TFSI Special tools and workshop equi...

Страница 113: ...s document Copyright by AUDI AG Release hose clip 2 and detach air pipe Unplug electrical connector 1 for air mass meter G70 Remove securing bolts arrows and detach air cleaner top section Turn filter...

Страница 114: ...ectrical connector for air mass meter G70 back in Continue installation in reverse sequence Note tightening torque page 108 3 50 4 8 cyl petrol engine 4 0 ltr TFSI version 1 Special tools and workshop...

Страница 115: ...t by AUDI AG Loosen hose clips arrows and detach air pipe Unplug electrical connector 1 for air mass meter G70 Remove securing bolts arrows and detach air cleaner top section Turn filter element in an...

Страница 116: ...ass meter G70 back in Repeat procedure on opposite side of vehicle Continue installation in reverse sequence Note tightening torque page 110 Note There is more than one version of the air cleaner for...

Страница 117: ...AG Remove bolts 1 and 3 and detach longitudinal member top right 2 Step 1 removing air filter element Loosen hose clips arrows and detach air pipe Unplug electrical connector 1 for air mass meter G70...

Страница 118: ...lation page 112 Attach air pipe to air cleaner top section and fit hose clip Plug electrical connector for air mass meter G70 back in Repeat procedure on opposite side of vehicle Continue installation...

Страница 119: ...rrier Removing and installing lock carri er Remove bolts 1 and 3 and detach longitudinal member top right 2 Step 1 removing air filter element Move vacuum hoses 2 clear at air pipe Release hose clips...

Страница 120: ...14 Attach air pipe to air cleaner top section and fit hose clip Plug electrical connector for air mass meter G70 back in Repeat procedure on opposite side of vehicle Continue installation in reverse s...

Страница 121: ...olts 1 and 3 and detach longitudinal member top right 2 Step 1 removing air filter element right side Disconnect vacuum hose 1 from air pipe Loosen hose clips arrows and detach air pipe Unplug electri...

Страница 122: ...document Copyright by AUDI AG Loosen hose clips arrows and detach air pipe Unplug electrical connector 4 for air mass meter 2 G246 Remove securing bolts and detach air cleaner top section Turn filter...

Страница 123: ...r for air mass meter G70 back in Repeat procedure on opposite side of vehicle Continue installation in reverse sequence Note tightening torque page 116 3 50 8 6 cyl diesel engine 3 0 ltr TDI Special t...

Страница 124: ...cument Copyright by AUDI AG Release hose clips arrows and detach air pipe 1 Unplug electrical connector 1 for air mass meter G70 Remove securing bolts arrows and detach air cleaner top section Turn fi...

Страница 125: ...p section and fit hose clip Plug electrical connector for air mass meter G70 back in Continue installation in reverse sequence Note tightening torque page 119 3 50 9 8 cyl diesel engine 4 2 ltr TDI Sp...

Страница 126: ...cleaner top section and turn it in clockwise direction arrow B until it engages Place top section of air cleaner onto bottom section of air cleaner without applying any significant force Ensure that t...

Страница 127: ...the vicinity of high voltage components page 10 Checking plenum chamber and water drains for dirt page 123 Cleaning plenum chamber and water drains page 124 3 51 1 Checking plenum chamber and water d...

Страница 128: ...e plenum chamber as well as the removal procedures required are a repair measure and should be charged separately Procedure Remove coarse dirt from plenum chamber and water drain grommets with a flexi...

Страница 129: ...element D correctly angled side faces fresh air blower Position aperture cover A in tab C and engage on opposite side B Continue installation in reverse sequence 3 53 Fuel filter renewing WARNING Fue...

Страница 130: ...ep gr 00 Safety precautions Safety precautions when working on the fuel sys tem Remove nuts 1 and 3 Swivel bracket 2 downwards disengage it from mounting points arrows and detach it Remove rubber moun...

Страница 131: ...fication in Maintenance table Procedure Add fuel additive to fuel tank according to current fuel tank level Note If the fuel level in the fuel tank is other than quoted Add multi purpose additive for...

Страница 132: ...ntee or accept any liability with respect to the correctness of information in this document Copyright by AUDI AG Special tools and workshop equipment required Filling device for AdBlue VAS 6542 Engin...

Страница 133: ...line 4 Quick release coupling on breather line 5 Filler line 6 Cut off valve for filler line 7 Union nut for tank filler neck 8 Breather line Procedure Open tank flap and unscrew filler cap for reduci...

Страница 134: ...ty with respect to the correctness of information in this document Copyright by AUDI AG Position reducing agent container on engine and gearbox jack VAS 6931 with mounting plate V A G 1383A 1 Differen...

Страница 135: ...ler neck and filler cap with a lint free cotton cloth soaked with water Screw filler cap onto reducing agent tank Take container off mounting plate and put it on the floor Open cut off valve on filler...

Страница 136: ...horised by AUDI AG AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document Copyright by AUDI AG Engine and gearbox jack VAS 6931 Mounting pla...

Страница 137: ...ease coupling on breather line 5 Filler line 6 Cut off valve for filler line 7 Union nut for tank filler neck 8 Breather line Step 1 filling passive tank Lift luggage compartment floor Unscrew filler...

Страница 138: ...r breather line Open cut off valve for filler line and fill passive tank completely Tank is completely full when container contracts and bleeder line fills with liquid Close cut off valve for filler l...

Страница 139: ...crew filler cap onto reducing agent tank Take container off mounting plate and put it on the floor Open cut off valve on filler line and let remaining liquid drain back into container Unscrew filling...

Страница 140: ...mbalance wheels drive shafts Wheel bearings noises Roof insert unusual noise during operation Horn checking Hybrid vehicles check electrical operation by pressing EV button charging function in overru...

Страница 141: ...expectedly Observe warnings for high voltage system For work that must be performed with the ignition switched on page 11 Procedure Calibrate compass according to Workshop Manual General body repairs...

Страница 142: ...ley end Removing and installing poly V belt 3 65 Poly V belts for ancillaries and all pul leys renewing Procedure Renew poly V belt for ancillaries according to specifications in Workshop Manual Rep g...

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