Mitsubishi Grandis. Manual - part 831
TROUBLESHOOTING
MANUAL TRANSMISSION (FF)
22A-5
INSPECTION PROCEDURE 2: Oil Leaks
DIAGNOSIS
STEP 1. Visual check.
Raise the vehicle, and check for oil leaks. If oil leak is
difficult to locate, steam clean the transmission and
drive the vehicle for at 10 minutes. Then check the
leak again.
Q: Is the oil leak(s) found?
YES :
Go to Step 2 .
NO :
Check for the oil leaks around the engine.
Then go to Step 4 .
STEP 2. Visual check at the clutch housing.
Q: Do oil leaks appear around the joint between the
engine and the clutch housing?
YES :
Remove the transmission. Check the input
shaft oil seal, and replace if necessary.
Then go to Step 4 .
NO :
Go to Step 3 .
STEP 3. Check the oil seal or O-ring for damage.
Q: Is the oil seal or O-ring damaged?
YES :
Replace the oil seal or the O-ring. Then go
to Step 4 .
NO :
Go to Step 4 .
STEP 4. Retest the system.
Q: Is the oil still leaking?
YES :
Return to Step 1 .
NO :
The procedure is complete.
INSPECTION PROCEDURE 3: Hard Shifting
DIAGNOSIS
STEP 1. Check the transmission control
Q: Are the shift cable and the select cable in good
condition?
YES :
Go to Step 2 .
NO :
Repair or replace the shift cable and the
select cable. Refer to
. Then go to
Step 7 .
STEP 2. Check the transmission oil.
Q: Is the oil dirty?
YES :
. Then go
to Step 7
NO :
Go to Step 3 .
STEP 3. Check the clutch system.
Q: Is the clutch system normal?
YES :
Go to Step 4 .
NO :
Repair or replace the clutch system. Refer
to
STEP 4. Remove and disassemble the
transmission. Check the control housing.
Q: Is the control housing in good condition?
YES :
Go to Step 5 .
NO :
Repair or replace the control housing. Refer
to GROUP 22B, Transmission
Then go to Step 7 .
STEP 5. Check for poor meshing of worn
synchronizer ring and gear cone.
Q: Is poor meshing or worn synchronizer ring and
gear cone found?
YES :
Repair or replace the synchronizer ring and
gear cone. Then go to Step 7 .
NO :
Go to Step 6 .
STEP 6. Check the synchronizer spring for
weakness.
Q: Is the synchronizer spring weak?
YES :
Replace the synchronizer spring. Then go
to Step 7 .
NO :
Go to Step 7 .
STEP 7. Retest the system.
Q: Is the shifting of the gears still hard?
YES :
Return to Step 1 .
NO :
The procedure is complete.