Page 1: ...68 C 69 C 70 7953 in Needle Type Bearing Bushing Floating Bushing Floating Bushing 787 to 789 in 823 to 825 in 1 195 to 1 205 in 7960 to 7975 in COAXIAL POWER STEERING MODELS Fluid Capacity of Hydrau...
Page 2: ...Length Force at Working Length Front End Alignment Steering Gear Ratio Piston Rod Snap Ring Gap Upper and Lower 001 to 002 in 2 13 in 1 20 in 14 lbs lVo lbs 1 51 in 1 18 in 30 to 33 lbs 16 2 1 2 4 in...
Page 3: ...16 Pilots Pr Reservoir Installing C 3117 Plug Oil Pump Return Hole Tapered Small C 3128 Pliers Pump Shaft Rear Bearing Ring C 3129 Driver Pump Oil Seal and Bearing C 3130 Thimble Protector Pump Oil Se...
Page 4: ...C 3321 Wrench Worm Connector Holding C 3322 Remover and Installer Worm Housing Bearing Cups C 3323 Fixture Gear Assembly Holding C 3328 Spanner Upper Piston Rod Nut C 3329 Thimble Valve Control Spacer...
Page 5: ...5 Intermediate Steering Arm Pin Nut 50 POWER STEERING GEAR ASSEMBLY Foot Pounds Pump Body to Cover Bolts 30 35 Pump Reservoir to Pump Body Bolts 12 17 Pump Mounting Bolts 18 23 Pump Reservoir Mounting...
Page 6: ...mp Screws 10 12 Worm Housing to Gear Housing Screws 25 30 Gear Shaft Adjusting Screw Lock Nut 35 40 RESERVOIR Thread Size Foot Pounds Reservoir Cover Bolt 6 x 24 8 Relief Valve Assembly Cap 1x8 8 Hose...
Page 7: ...W GROMMET JACKET INSULATOR SWITCH BRACKET LEVER GROMMET WASHER WASHER OIL SEAL WASHER LOCKWASHER NUT NUT O I L S E M J BUSHINGS T CUP CAGE AND ROLLERS TUBE AND WORM CAGE AND ROLLERS OIL SEAL SHIMS NUT...
Page 8: ...ered roller bearings The worm bearing pre load is adjusted by means of shims placed between the housing and housing end cover The steering gear shaft rotates in two bronze bushings pressed into the st...
Page 9: ...Remove assembly from lower side of car 5 DISASSEMBLY OF STEERING GEAR Unit Removed From Car To disassemble the Manual Steering Gear As sembly proceed as follows Drain lubricant from the steering gear...
Page 10: ...oint between bottom of steering wheel hub and shell Have another mechanic shake the front wheels hard sideways but not enough to turn steering wheel Any end play in worm bearings can be felt at steeri...
Page 11: ...lock nut Check steering gear operation again for binding and backlash Correct any inaccuracies in ad justments Install steering gear arm with tie rods 10 SERVICING IDLER ARM Service of the idler arm i...
Page 12: ...in and unscrew front wheel bearing adjusting nut Remove outer bearing and pull hub off steering knuckle It is not necessary to remove wheel from hub if hub is to be removed from steering knuckle spind...
Page 13: ...upper steering knuckle welch plug and pry it out of steering knuckle Drive king pin downward forcing out lower welch plug A soft brass drift should be used when driving against top of king pin Remove...
Page 14: ...e steering knuckle and the thrust bearings When installing a welch plug it is necessary to stake it after it is properly in place as shown in Figure 10 Before installing hub and drum assembly perform...
Page 15: ...400 STEERING CHRYSLER SERVICE MANUAL...
Page 16: ...ver s effort and is transmitted through the rack and sector gear to the steering gear arm Other components of the hydraulic system are a generator driven oil pump with pressure relief valve and flow c...
Page 17: ...ESSURE OIL SPOOL VALVE PISTON 53x859 Fig 13 Oil Flow Neutral Valve Position OUT LOW PRESSURE OIL t WHEN THE VALVE IS PULLED UP IT OFFERS FLOW RESTRICTION AT A AND BM OIL PRESSURE INCREASES GREATLY CRE...
Page 18: ...power steering has a capacity of 2 quarts of SAE 10 W engine or type A oil The worm hous ing capacity is one pint which is separate from the pressure system b How the Coaxial Power Steering Operates T...
Page 19: ...ference in pressure exists in each end of the cylinder and the piston moves Oil trapped in the lower pressure cylin der is forced through the return passages as the piston moves up By careful design a...
Page 20: ...ched to the worm connector through two seal retainers and a rub ber reaction seal whenever the power system is operating Fig 16 The connection is called hy draulic because the rubber seal one of the c...
Page 21: ...BODY O RING RING RING OIL HOUSING O RING COVER SNAP RING GASKET ADAPTER RETAINER f I D I S C CUP WORM SCREW WASHER OIL SEAL WASHER WASHER C P INNER BEARING CUP OUTER PLUG XUP OUTER BEARING CUP INNER...
Page 22: ...erating clearances in the hydraulic reaction chamber close up as the driver turns the wheel one way or the other giving solid metal connec tions Fig 16 Therefore the system steers mechanically that is...
Page 23: ...usting nut is tapered on the bearing side Remove the worm outer bearing race and bear ing roller from worm Remove the three worm COUPLING to gear housing screws and concave washers and remove worm hou...
Page 24: ...ashers Remove guide clamp as shown in Figure 22 Using care to avoid losing any of the worm balls carefully remove the ball guide from the worm connector Worm balls are a select fit with each other If...
Page 25: ...R HOUSING 54x633 Fig 25 Removing Piston and Rod Assembly nut on steering gear shaft and force the threaded portion of tool into seal Install the two half collars to lock the tool together and install...
Page 26: ...445 may be used to easily turn the valve rod from the disc Slide valve rod adjusting disc retainer from upper piston rod as shown in Figure 26 Remove upper piston rod nut lock cap Remove upper piston...
Page 27: ...ire hook remove piston pin and 0 ring from piston rod as PISTON PIN HOLES 53x821 Fig 33 Removing Upper Piston Rod shown in Figure 34 Make sure the oil passage is open Inspect the sealing surface on pi...
Page 28: ...r Piston Rod Seal Tool C 3331 Remove housing cover and remove 0 ring from housing Use extreme care when removing the lower plug to prevent cocking A cocked plug is apt to result in a broken gear housi...
Page 29: ...NOTE A suitable adaptor will be required to press end plug into place Otherwise damage to rod will result If plug is not pressed in far enough to properly seat against the valve body it will pro duce...
Page 30: ...lve rod aligning the piston pin hole in the piston assem bly with the hole in the upper piston rod as shown in Figure 42 Lubricate a new piston pin 0 ring with Lubriplate and install on piston pin as...
Page 31: ...of the valve control spacer selected must be identical to the distance between the seat of the valve control spacer seal retainer and seated upper piston rod nut Place tool over threaded end of upper...
Page 32: ...ear housing oil seal or piston rings Do not use a screwdriver to compress piston rings To further aid in in stallation piston and cylinder may be lubricated with Lubriplate If the rack is not position...
Page 33: ...creased and erratic steer ing effort and also lack of returnability Balls which fit too loose will result in free play of the steering wheel before valve actuation or steer ing is accomplished Insert...
Page 34: ...m shaft out until lower race seats in bearing Install worm housing bearing adjusting nut over shaft tapered end first Slide Tool C 3320 over worm shaft followed by Tool C 3310 Using Tool C 3319 and a...
Page 35: ...Change valve position in slight variations at a time to prevent over adjusting When torque is the same in both directions remove the tool b Installing Coupling at Center of No Backlash Position and G...
Page 36: ...ow ing check can be made to determine if the new equal tooth gear shaft may have been installed With the steering gear centered turn the ad justing screw until a small amount of backlash can be felt T...
Page 37: ...422 STEERING CHRYSLER SERVICE MANUAL 8 5 I 5L...
Page 38: ...ine be tween pump and hose Refill reservoir to proper level Open valve on gauge start engine and run until power steering oil pump reaches oper ating temperature With engine idling 475 500 r p m turn...
Page 39: ...standpipe and separate reservoir from pump There are four rubber O seal rings between the reservoir and pump body Using holding Tool C 3227 remove coupling locking screw lockwashers and coupling The l...
Page 40: ...ufficiently screw T handle section of tool into cover until it bottoms and continue 54x651 Fig 63 Removing Pump Body Shaft Bushing Tool C 3185 turning to remove bushing Install bushing with tool as sh...
Page 41: ...oil or Automatic Transmission TOOL TOOL OIL SEAL 54x653 Fig 67 Installing Pump Shaft Oil Seal Tool C 3230 Fluid Type A Coat 0 seal rings with Lubri plate Reassemble combination flow control and relie...
Page 42: ...e does not necessarily indicate that an internal seal is causing the leaking Make the following checks before disassembly of the unit Overfilling of the upper housing If an upper housing has recently...
Page 43: ...ing properly due to foreign material or roughness in the ring groove Inspect ring groove location in upper piston rod to determine if 0 ring can possibly come out of the groove when pressure is applie...
Page 44: ...urns it may be vibration set up by the control valve rod To correct this condition install a new type valve rod adjusting disc The new adjusting disc is counterbored on the lower surface If the noise...
Page 45: ...ise This noise is most noticeable when the car is driven over rough or choppy roads and is usu ally accompanied by road wander The condition nay be caused by one or more of the following Check in the...
Page 46: ...lace the bearing and position as outlined in preceding item If reading is not below 40 foot pounds proceed with next item Gear shaft adjustment too tight Adjust gear shaft If condition still exists an...
Page 47: ...ch or screwdriver through the bottom of the connector and attempt to rotate the adjusting disc If it cannot be rotated it is properly locked If it can be rotated check threads on connector nut connect...
Page 48: ...32 DESCRIPTION Correct front wheel alignment produces easy positive steering with a minimum of scuffing action between tire and road All factors of front wheel alignment are interrelated but each angl...
Page 49: ...ONT POSITIVE CASTER TIRE CENTER LINE CAMBER ANGLE VERTICAL LINE KING PIN ANGLE KING PIN CENTER LINE KING PIN 49x704 Fig 72 Caster Angle Fig 71 Camber Angle and King Pin Inclination together at the fro...
Page 50: ...being checked I f one side of car is lower than other due to s6meone getting into or out of car gauge readings will be incorrect unless the foregoing operation is repeated 37 CHECKING KING PIN INCLIN...
Page 51: ...er models is correct Refer to Paragraph 36 King Pin Inclination Place front wheels in straight ahead position with weight of car on wheels and front end of car level 2 With gauge assembled on wheel as...
Page 52: ...rew until bubble centers in spirit level The reading on 40 degree scale on gauge will be caster angle Read ings from zero toward wheel indicate posi tive casters Readings from zero away from wheel ind...
Page 53: ...rns Tool DD 435 control arm Keep the steering knuckle support as nearly centered between the ends of the upper control arm as possible Adjust to speci fications in Data and Specifications and tighten...
Page 54: ...d too tightly steer ing gear and jacket assembly misaligned or binding in the linkage d Front wheels out of line e Steering column out of line Remedies a Check and correct tire pressure as re quired R...
Page 55: ...Section XI TRANSMISSION SERVICE BULLETIN REFERENCE NUMBER DATE SUBJECT CHANGES...
