Cause
| Action
|
DEFINITION: During acceleration or deceleration, a clunk is heard or felt in the transfer case while in the 4HI range only.
Review the
Symptoms - Transfer Case
and perform the necessary inspections.
|
Incorrect fluid level or incorrect fluid
|
• | Inspect the transfer case for the correct fluid level. |
|
Input shaft thrust washers
|
- Inspect for worn or missing input shaft thrust washers.
- Replace the thrust washers as required. Refer to
Transfer Case Disassemble
and
Transfer Case Assemble
.
|
Rear output shaft rear bearing outer retaining ring
|
- Inspect for the following conditions:
• | Properly installed rear output shaft rear bearing outer retaining ring |
• | Excessive wear or damaged retaining ring groove in the rear case half |
- Repair or replace the following components if found faulty:
• | Properly install a new rear output shaft rear bearing outer retaining ring. |
|
Worn high speed teeth on the high/low clutch
|
- Inspect for worn high speed teeth on the high/low clutch. Refer to
High/Low Shift Components Cleaning and Inspection
.
- Replace the high/low clutch if worn. Refer to
Transfer Case Disassemble
and
Transfer Case Assemble
.
|