Cause
| Correction
|
DEFINITION: During acceleration or deceleration, a clunk is heard or felt in the transfer case while in 4LO range only.
Review the
Symptoms - Transfer Case
and perform the necessary inspections.
|
High/low planetary carrier assembly
|
- Inspect for the following conditions:
• | Excessively worn planetary gears |
• | The planetary gears loose in the planetary carrier |
• | Excessively worn range sleeve engagement teeth on the carrier |
- Replace the high/low planetary if any of the above conditions
are found. Refer to
Transfer Case Disassemble
and
Transfer Case Assemble
in Transfer Case - NVG 263-NP1 Unit Repair.
|
Annulus gear
|
- Inspect the annulus gear to front case fit for any looseness.
- Replace the front case half if the annulus gear is loose. Refer
to
Transfer Case Disassemble
and
Transfer Case Assemble
in Transfer
Case - NVG 263-NP1 Unit Repair.
|
Range sleeve
|
- Inspect the range sleeve engagement teeth for excessive wear.
- Inspect the range sleeve to rear output shaft splines for excessive
wear.
- Replace the range sleeve if faulty. Refer to
Transfer Case Disassemble
and
Transfer Case Assemble
in Transfer Case - NVG 263-NP1
Unit Repair.
|