Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 1046

CLUTCH  7C-43

Checkpoint

Trouble Cause

Countermeasure

Replace the release bearing

Release bearing broken

Clean the related parts and/or
replace the facing
Replace the crankshaft rear oil
seal

Defective crankshaft rear oil

seal

NG

NG

OK

OK

Grease or oil adhering to the

facing

Clutch diaphragm spring

Replace the clutch pressure

plate assembly

Weak or broken clutch

diaphragm spring

Replace the driven plate

assembly

Worn facing

NG

NG

OK

Facing

Continued from the previous page

7C-44  CLUTCH

2.  CLUTCH DOES NOT RELEASE PROPERLY

Checkpoint

Trouble Cause

Countermeasure

Driven plate

Replace the driven plate

Adjust the push rod play

Driven plate warped or

unevenly worn

Too much push rod play in the

slave cylinder

Hydraulic circuit

Bleed the hydraulic circuit

Adjust the push rod play

Air in the hydraulic circuit

Too much push rod play in the

master cylinder

OK

NG

NG

NG

NG

OK

Clutch pedal free play

Clean or repair the top gear

shaft spline

Replace the top gear shaft

Corrosion or step wear on the

top gear shaft spline

Pressure plate

Replace the pressure plate

assembly

Clean and grease the splined

contact surface

Pressure plate unevenly worn

Insufficient grease on the

spline contact surface of the

splined hub

OK

NG

NG

NG

OK

Continued on the next page

CLUTCH  7C-45

Checkpoint

Trouble Cause

Countermeasure

Crankshaft pilot bearing

Replace the pilot bearing

Top gear shaft wobble is

causing pilot bearing wear

Repair or replace the flywheel

Flywheel unevenly worn

NG

NG

OK

OK

Flywheel

Continued from the previous page

7C-46  CLUTCH

3.  CLUTCH SHUDDER

Checkpoint

Trouble Cause

Countermeasure

Grease or oil adhering to the

facing

Clean the related parts and/or
replace the facing
Replace the transmission front
cover oil seal

Replace the pressure plate

assembly

Defective transmission front

cover oil seal

Pressure plate unevenly worn

Pressure plate

Clean the related parts and/or

replace the facing

Tighten the connections

Repair or replace the

applicable parts

Too much grease

Poorly connected components

causing looseness and

abrasion

OK

NG

NG

NG

NG

OK

Power train

Clean and grease the spline

contact surface

Insufficient grease on the

spline contact surface of the

splined hub

Driven plate

Clean or repair the top gear
shaft spline
Replace the top gear shaft

Clean the related parts and/or
replace the facing
Replace the crankshaft rear oil
seal

Corrosion or step wear on the

top gear shaft spline

Defective crankshaft rear oil

seal

OK

NG

NG

NG

OK

Continued on the next page