Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 1045
CLUTCH 7C-39
6VD1
Piston and piston cup
Visually inspect the disassembled piston and piston cup for
excessive wear and damage.
Replace the inner parts with new parts shown in the illustration.
Measure the clearance between slave cylinder wall and piston
If the measured value exceeds the specified limit, the slave
cylinder assembly must be replaced.
Slave Cylinder Wall and Piston Clearance
mm(in)
Standard
Limit
0.07 (0.0028)
0.15 (0.0059)
REASSEMBLY
To reassemble, follow the disassembly steps in the reverse
order, noting the following points:
6VD1
1. Piston Assembly
1) Before installing the parts, apply a thin coat of rubber
grease.
2) Install cup in groove in piston with the lip turned to the front
of cylinder. Use care so as not to scratch the cylinder.
7C-40 CLUTCH
HYDRAULEC DAMPER CYLINDER (Except 6VD1 Engine)
INSPECTION AND REPAIR
Make the necessary adjustments, repairs, and part replacements if excessive wear or damage is discovered during
inspection.
Visually check for oil leakage and other damage.
If oil leakage or other damage is discovered during the
inspection; the damper cylinder assembly must be replaced as
a unit.
CLUTCH 7C-41
TROUBLESHOOTING
Refer to this Section to quickly diagnose and repair clutch problems.
Each troubleshooting chart has three headings arranged from left to right.
(1) checkpoint (2) Trouble Cause (3) Countermeasure
This Section is divided into five sub-sections:
1. Clutch Slippage
2. Clutch Does Not Release Properly
3. Clutch Shudder
4. Clutch Noise
1) Clutch pedal Depressed (Clutch Disengaged)
2) Clutch pedal Not Depressed (Clutch Engaged)
5. Oil Leakage
7C-42 CLUTCH
1. CLUTCH SLIPPAGE
Checkpoint
Trouble Cause
Countermeasure
Adjust the push rod play
No push rod play in the master
cylinder
NG
Clean the related parts and/or
replace the facing
Replace the transmission front
cover oil seal
Clean the related parts and/or
replace the facing
Repair or replace the
transmission front cover
Adjust the push rod play
Defective transmission front
cover oil seal
Continued on the next page
Grease or oil adhering to the
facing
Too much grease
Transmission front cover
unevenly worn
No push rod play in the slave
cylinder
Clean and grease the shift
block
Shift block
Insufficient grease on the front
cover contact surfaces
NG
NG
NG
NG
NG
OK
OK
Clutch pedal free play
OK
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