Isuzu 4JB1 User Manual

SERVICE INF
ORMATION 00 – 13
4. SLAPPING NOISE
Checkpoint Possible cause Correction
Valve c
learance Valve clearance improperly adjusted Adjust the valve clearance
Roc
ker arm Damaged rocker arm Replace the rocker arm
F
lywheel Loose flywheel bolts Retighten the flywheel bolts
Cr
ankshaft and thrust
bearings
Worn or damaged crankshaft and/or thrust
bearings
Replace the crankshaft and/or the
thrust bearings
Cr
ankshaft and
connecting rod
bearings
Worn or damaged crankshaft and/or
connecting rod bearings
Replace the crankshaft and/or the
connecting rod bearings
Connec
ting rod
bushing and piston pin
Worn or damaged connecting rod bushing
and piston pin
Replace the connecting rod bushing
and/or the piston pin
Pis
ton and cylinder
liner
Worn or damaged piston and cylinder liner. Replace the piston and the cylinder
liner.

Isuzu 4JB1 Specifications

General

Brand	Isuzu
Model	4JB1
Category	Engine
Language	English