Troubleshooting
Contents
Symptom Section
Engine and performance
Alternator light fails to come on when key is turned on ......... 13
Alternator light stays on ................................. 12
Battery will not hold a charge ............................. 11
Enginebackfires ...................................... 18
Engine diesels (continues to run) after being turned off ......... 21
Engine hard to start when cold ............................ 4
Engine hard to start when hot ............................. 5
Engine lacks power ..................................... 17
Engine ‘lopes’while idling or idles erratically ................. 8
Engine misses at idle speed .............................. 9
Engine misses throughout driving speed range ............... 4
Engine rotates but will not start ............................ 2
Engine stalls ................................. _ ........ 16
Engine starts but stops immediately ........................ 7
Engine surges while holding accelerator steady ............... 19
Engine will not rotate when attempting to start ................ 1
Excessive fuel consumption .............................. 24
Excessively high idle speed .............................. i 0
Excessive oil consumption ............................... 23
Fuelodor ............................................. 25
Hesitation or stumble during acceleration .................... 15
Low oil pressure ....................................... 22
Miscellaneous engine noises ............................. 26
Pinging or knocking engine sounds when engine
isunderload ........................................ 20
Starter motor noisy or engages roughly ..................... 6
Starter motor operates without turning engine ................ 3
Cooling system
Abnormal coolant loss . 31
Corrosion . . . , . . . . . . 33
External coolant leakage .
29
Internal coolant leakage . . 30
Overcooling . . . . . . . .
. ..*.. ............
r.....
. 28
Overheating ; . . . .
. ............
. . . .
. 27
Poor coolant circulation . .
............
. . . . .
32
Clutch
Clutch pedal stays on floor when disengaged . . . . . . . . . . . . . . . . 39
Clutch slips (engine speed increases
with no increase in vehicle speed) . . . . . . . . .
35
Fails to release (pedal pressed to the floor 1 shift lever
does not move freely in and out of Reverse) . , . . . 34
Grabbing (chattering) as clutch is engaged _. . . . . . _ _ . . . . . . . . . 36
Squeal or rumble with clutch disengaged (pedal depressed) . . . . 38
Squeal or rumble with clutch engaged (pedal released) . . . , . . 37
Manual transmission
Difficulty engaging gears ................................ 45
Noise occurs while shifting gears ......................... 46
Noisy in all gears
......................................
41
Noisy in Neutral with engine running ...................... 40
Noisy in one particular gear
.............................
42
Oil leaks ............................................
44
Slipsoutofgear ...................................... 43
Automatic transmission
Engine will start in gears other than Park or Neutral ............ 50
Fluidleakage .......................................... 47
Symptom Section
General shift mechanism problems
.........................
48
Transmission slips, shifts rough, is noisy or has
no drive in forward or Reverse gears ..................... 51
Transmission will not downshift with the
accelerator pedal pressed to the floor ..................... 49
Driveshaft
Knock or clunk when transmission is under initial
load (just after transmission is put into gear) ................ 53
Leaks at front of driveshaft ............................... 52
Metallic grating sound consistent with vehicle speed ........... 54
Scrapingnoise ..................... ....._.....__. ...... 56
Vibration ............................................. 55
Whining or whistling noise ................................ 57
Rear axle and differential
Knocking sound when starting or shifting gears ............... 59
Noise -same when in drive as when vehicle is coasting ........ 58
Noise when turning .......................
_
............. 60
Oilleaks ............................................. 62
Vibration ............................................ ,.
61
Transfer case (4WD models)
Difficult shifting ........................................ 64
Gearjumpingoutofmesh.. .................... . __._. .... 63
Noise.. .............................................. 65
Brakes
Brake pedal feels spongy when depressed ................... 69
Brake pedal pulsates during brake application ................ 72
Brakes drag (indicated by sluggish engine performance
or wheels being very hot after driving) .................... 73
Excessfvebrakepedaltravel ............................. 68
Excessive effort required to stop vehicle ..................... 70
Noise (high-pitched squeal) ...................... _. ....... 67
Pedal travels to the floor with little resistance ................. 71
Rear brakes lock up under heavy brake application ....... .... 75
Rear brakes lock up under light brake application ............. 74
Vehicle pulls to one side during braking ..................... 66
Suspension and steering
Excessively stiff steering ................................. 80
Excessive pitching and/or rolling around
comers or during braking .............. .J .............. 78
excessive play in steering ................................ 81
Excessive tire wear (not specific to one area) ................. 87
Excessive tire wear on inside edge ......................... 89
Excessive tire wear on outside edge ........................ 88~
Lackof power assistance ................. _, ... I ......... 82
Miscellaneous noises ........................ _ r _ _. . _ .... 86
Noisypowersteeringpump ............... J_._ ..__-. ______ 85
Shimmy, shake or vibration ..................... _. ........ 77
Steering effort not the same in both
directions (power system) ............................ 84
Steering wheel fails to return to straight-ahead position ......... 83
Tiretreadworninoneplace ._ ............. . .............. 90
Vehicle pulls to one side ........................ _. ....... 76
Wandering or general instability ........................... 79
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