Service manual

Table Of Contents
17-4 APPE NDIX
Troubleshooting Guide
Drive pulley movable sheave doesn’t move
smoothly
Drive pulley spring incorrect installed (too
tight)
Driven pulley movable sheave doesn’t
move smoothly
Gear Shifting Faulty:
Doesn’t go into gear:
Shift arm bent or seized
Gear stuck on the shaft
Shift tie-rod maladjusted
Shift tie-rod damaged
Jumps out of gear:
Shifter groove worn
Gear dogs worn
Shift b lock worn
Shift arm positioning bolt spring weak or
broken
Shift tie-rod maladjusted
Drive shaft, output shaft, and/or gear
splines worn
Overshifts:
Shift arm positioning bolt spring weak or
broken
Shift tie-rod maladjusted
Abnormal Engine Noise:
Knocking:
Carbon built up in combustion chamber
Fuel poor quality or incorrect
Spark plug incorrect
Overheating
Piston Slap:
Cylinder/piston clearance excessive
Cylinder, piston worn
Connecting rod bent
Piston pin, piston holes worn
Valve noise:
Valve clearance incorrect
Valve spring broken or weak
Camshaft bearing worn
Rocker arm worn
Other noise:
Connecting rod small end clearance exces-
sive
Connecting rod big end clearance exces-
sive
Piston ring worn, broken, or stuck
Piston seizure, damage
Cylinder head gasket leaking
Exhaust pipe leaking at cylinder head con-
nection
Crankshaft runout excessive
Engine mounts loose
Crankshaft bearing worn
Camshaft chain tensioner trouble
Camshaft chain, sprocket, guides worn
Loose alternator rotor
Abnormal Drive Train Noise:
Converter noise:
Belt worn
Drive or driven pulley sheave worn
Drive or driven pulley movable sheave bush
worn
Drive or driven pulley mount loose
Driven pulley shoe worn
Drive pulley weight or roller side washer
worn
Drive pulley weight or roller worn
Wear guides worn
Transmission noise:
Bearing worn
Transmission gears worn or chipped
Metal chips jammed in gear teeth
Engine oil insufficient or too thin
Front or rear final gear case noise:
Insufficient lubricant
Incorrect oil (Front final gear case)
Bevel gear bearings worn
Bevel gears worn or chipped
Bevel gears maladjusted
Worn LSD clutch friction plate (Front final
gear case)
Thrust plug maladjusted (Rear final gear
case)
Damaged side gears or pinions (Front final
gear case)
Abnormal Frame Noise:
Shock absorber noise:
Shock absorber damaged
Disc brake noise:
Pad installed incorrectly
Pad surface glazed
Disc warped
Caliper trouble
Rear brake noise:
Foreign matter in hub
Brake not properly adjusted
Other noise:
Bracket, nut bolt, etc. not properly mounted
or tightened
Exhaust Smokes Excessively:
White smoke:
Piston oil ring worn
Cylinder worn
Valve oil seal damaged
Valve guide worn
Cylinder head gasket damaged
Engine oil level too high
Black Smoke:
Air cleaner clogged
Brown smoke:
Air cleaner duct loose
Air cleaner poorly sealed or missing