7M-16 CLUTCHES & MANUAL TRANSMISSION
C L U T C H T R O U B L E D IA G N O S IS
CONDITION
PROBABLE CAUSE
CORRECTION
Fails to Release (Pedal pressed
to floor-shift lever does not
move freely in and out of
reverse gear
a. Improper linkage Adjustment
b. Improper pedal travel
c. Loose linkage
d. Faulty pilot bearing
e. Faulty driven disc
f. Fork off ball stud
g. Clutch disc hub binding on clutch
gear spline
h. Clutch disc warped or bent
a. Adjust Linkage
b. Trim bumper stop and adjust linkage
c. Replace as necessary
d. Replace bearing
e. Replace disc
f. Install properly and* lubricate fingers
at throw-out bearing with wheel
bearing grease.
g. Repair or replace clutch gear and/or
disc.
h. Replace disc (run-out should not
exceed .020”).
*Very lightly lubricate fingers
Slipping
a. Improper Adjustment (no lash)
b. Oil Soaked driven disc
c. Worn facing or facing torn from disc.
d. Warped pressure plate or flywheel
e. Weak diaphragm spring
f. Driven plate not seated in
g. Driven plate overheated
a. Adjust linkage to spec.
b. Install new disc and correct leak at its
source
c. Replace disc
d. Replace pressure plate or flywheel
e. Replace pressure plate (Be sure lash is
checked before replacing plate.)
f. Make 30 to 40 normal starts
CAUTION: Do Not Overheat
g. Allow to cool - check lash
Grabbing (Chattering)
a. Oil on facing. Burned or glazed
facings.
b. Worn splines on clutch gear.
c. Loose engine mountings.
d. Warped pressure plate or flywheel.
e. Burned or smeared resin on flywheel
or pressure plate.
a. Install new disc and correct leak.
b. Replace transmission clutch gear.
c. Tighten or replace mountings.
d. Replace pressure plate or flywheel.
e. Sand off if superficial, replace burned
or heat checked parts.
Rattling-Transmission Click
a. Weak retracting springs.
b. Throw-out fork loose on ball stud or
in bearing groove.
c. Oil in driven plate damper.
d. Driven plate damper spring failure.
a. Replace pressure plate.
b. Check ball stud and retaining.
c. Replace driven disc.
d. Replace driven disc.
Throw-Out Bearing Noise with
Clutch Fully Engaged
a. Improper adjustment. No Lash.
b. Throw-out bearing binding on trans
mission bearing retainer.
c. Insufficient tension between clutch
fork spring and ball stud.
d. Fork improperly installed.
e. Weak linkage return spring.
a. Adjust linkage.
b. Clean, relubricate, check for burrs,
nicks, etc.
c. Replace fork.
d. Install properly.
e. Replace spring.
Noisy
a. Worn throw-out bearing.
b. Fork off ball stud (heavy clicking).
c. Pilot Bearing loose in crankshaft.
a. Replace bearing.
b. Install properly and lubricate fork
fingers at bearing.
c. See Section 6 for bearing fits.
Pedal Stays on Floor When
Disengaged
a. Bind in linkage or release bearing.
b. Springs weak in pressure plate.
c. Springs being over traveled.
a. Lubricate and free up linkage and
release bearing.
b. Replace pressure plate.
c. Adjust linkage to get proper lash, be
sure proper pedal stop (bumper) is
installed.
Hard Pedal Effort
a. Bind in linkage.
b. Driven plate worn.
a. Lubricate and free up linkage.
b. Replace driven plate.
LIGHT DUTY TRUCK SERVICE MANUAL
Summary of Contents for Light Duty Truck 1973
Page 1: ......
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Page 53: ...HEATER AND AIR CONDITIONING 1A 27 LIGHT DUTY TRUCK SERVICE MANUAL...
Page 115: ...LIGHT DUTY TRUCK SERVICE M A N U A L HEATER AND AIR CONDITIONING 1A 89...
Page 123: ...BODY 1B 3 Fig 6 Typical 06 Van LIGHT DUTY TRUCK SERVICE MANUAL...
Page 149: ...BODY 1B 29 Fig 84 Body Mounting 06 Fig 85 Body Mounting 14 LIGHT DUTY TRUCK SERVICE MANUAL...
Page 171: ...LIGHT DUTY TRUCK SERVICE M A N U A L Fig 2 Frame Horizontal Checking Typical FRAME 2 3...
Page 173: ...LIGHT DUTY TRUCK SERVICE M A N U A L Fig 4 10 30 Series Truck Frame FRAME 2 5...
Page 174: ...2 6 FRAME LIGHT DUTY TRUCK SERVICE MANUAL Fig 5 Underbody Reference Points G Van...
Page 185: ...FRONT SUSPENSION 3 11 Fig 16 Toe out on Turns LIGHT DUTY TRUCK SERVICE MANUAL...
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Page 351: ...ENGINE 6 15 Fig ID Sectional View of Eight Cylinder Engine LIGHT DUTY TRUCK SERVICE MANUAL...
Page 375: ...EN G IN E 6 39 LIGHT DUTY TRUCK SERVICE MANUAL...
Page 376: ...6 4 0 ENGINE LIGHT DUTY TRUCK SERVICE MANUAL...
Page 377: ...ENG IN E 6 41 LIGHT DUTY TRUCK SERVICE MANUAL...
Page 378: ...LIGHT DUTY TRUCK SERVICE MANUAL Fig 37L K Series Engine Front Mount 6 42 ENG INE...
Page 400: ...6 6 4 ENG INE LIGHT DUTY TRUCK SERVICE MANUAL...
Page 401: ...ENG IN E 6 65 LIGHT DUTY TRUCK SERVICE MANUAL...
Page 402: ...6 6 6 ENGINE LIGHT DUTY TRUCK SERVICE MANUAL...
Page 403: ...E NG IN E 6 67 Fig 36V C Series Engine Mounts LIGHT DUTY TRUCK SERVICE MANUAL...
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Page 423: ...EN G IN E C OOLING 6K 13 Fig 16 Overheating Chart LIGHT DUTY TRUCK SERVICE MANUAL...
Page 424: ...6 K 1 4 ENG INE COOLING Fig 17 Coolant Loss Chart LIGHT DUTY TRUCK SERVICE MANUAL...
Page 456: ...6M 32 ENGINE FUEL Fig K15 Accelerator Controls G Van L 6 LIGHT DUTY TRUCK SERVICE MANUAL...
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Page 512: ...Fig 18e Vacuum Advance Diagram V8 Engine...
Page 516: ...6 T 2 4 E M IS S IO N CONTROL SYSTEMS LIGHT DUTY TRUCK SERVICE MANUAL...
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Page 593: ...CLUTCHES MANUAL TRANSMISSIONS 7M 3 LIGHT DUTY TRUCK SERVICE MANUAL...
Page 598: ...7M 8 CLUTCHES MANUAL TRANSMISSIONS LIGHT DUTY TRUCK SERVICE MANUAL...
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Page 743: ...FUEL TANKS AND EXHAUST 8 13 LIGHT DUTY TRUCK SERVICE MANUAL...
Page 744: ...8 14 FUEL TANKS AND EXHAUST LIGHT DUTY TRUCK SERVICE MANUAL...
Page 760: ...8 30 FUEL TANKS AND EXHAUST Fig 40 Exhaust Pipe P Models LIGHT DUTY TRUCK SERVICE MANUAL...
Page 761: ...FUEL TANKS AND EXHAUST 8 31 LIGHT DUTY TRUCK SERVICE MANUAL...
Page 763: ...FUEL TANKS AND EXHAUST 8 33 LIGHT DUTY TRUCK SERVICE MANUAL...
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Page 832: ...LIGHT DUTY TRUCK SERVICE MANUAL Fig 106 Power Steering Pump Mounting Typical 9 66 STEERING...
Page 833: ...PUMP ASSEMBLY STEERING GEAR TYPICAL SMALL V8 TYPICAL LARGE V8 STEERING 9 67...
Page 861: ...STEERING 9 95 Fig 134 Power Steering Pump Leakage LIGHT DUTY TRUCK SERVICE MANUAL...
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Page 886: ...11 10 CHASSIS SHEET METAL LIGHT DUTY TRUCK SERVICE MANUAL...
Page 891: ...ELECTRICAL BODY AND CHASSIS 12 5 LIGHT DUTY TRUCK SERVICE MANUAL...
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