Inspection Procedure 14
INSPECTION PROCEDURE 14: SeizureNOTE: In the event of seizure, disassemble and replace the parts involved. Be sure to check all components for any irregularities and repair or replace as necessary.
DIAGNOSIS
STEP 1. Check that Hypoid gear oil MITSUBISHI Genuine Gear Oil Part No.8149630 EX or equivalent is being used.
Q: Is Hypoid gear oil MITSUBISHI Genuine Gear Oil Part No.8149630 EX or equivalent being used?
YES: Go to Step 2.
NO: Replace the oil. Then go to Step 6.
STEP 2. Check the oil level.
Remove the filler plug and check the gear oil level.
Q: Is the gear oil level more than 8 mm (0.3 inch) below the bottom of the filler plug hole?
YES: Check the oil leakage from differential carrier, and repair if necessary. Then refill with Hypoid gear oil MITSUBISHI Genuine Gear Oil Part No.8149630 EX or equivalent. Then go to Step 6.
NO: Go to Step 3.
STEP 3. Check the drive gear backlash (low).
Q: Is the drive gear backlash correct?
YES: Go to Step 4.
NO: Adjust the backlash. Then go to Step 6.
STEP 4. Check the drive pinion turning torque (excessive).
Q: Is the drive pinion turning torque correct?
YES : Go to Step 5.
NO: Adjust it. Then go to Step 6.
STEP 5. Check the side bearing preload (excessive).
Q: Are the side bearing cap mounting bolts tightened to 69 - 78 Nm (51 - 58 ft. lbs.)?
YES: Go to Step 6.
NO: Tighten them to 69 - 78 Nm (51 - 58 ft. lbs.). Then go to Step 6.
STEP 6. Check symptoms.
Q: Does the seizure still occur?
YES: Start over at Step 1.
NO: Diagnosis is complete.