Transfer Case Will Not Shift
WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Transfer Case Will Not Shift
| Cause |
Correction |
DEFINITION: While shifting from HI range to LO range, there is gear clashing or the gear range cannot be selected.
Review the Symptoms - Transfer Case and perform the necessary inspections. |
| Actuator lever |
- Inspect the actuator lever at the shift fork cam for being worn. Refer to
Cleaning and Inspection
in Transfer Case - NVG 246-NP8 Unit Repair.
- Replace the actuator lever if found faulty. Refer to
Transfer Case Disassemble
and
Transfer Case Assemble
in Transfer Case - NVG 246-NP8 Unit Repair.
|
| High/low range shift fork |
- Inspect the high/low shift fork for the following conditions:
- Replace the following components if found faulty:
|
| Range sleeve |
- Inspect the range sleeve for the following conditions:
- Replace the range sleeve if faulty. Refer to
Transfer Case Disassemble
and
Transfer Case Assemble
in Transfer Case - NVG 246-NP8 Unit Repair.
|
| High/low planetary carrier |
- Inspect the engagement teeth for burrs or damage. Refer to
Cleaning and Inspection
in Transfer Case - NVG 246-NP8 Unit Repair.
- Replace the high/low planetary if faulty. Refer to
Transfer Case Disassemble
and
Transfer Case Assemble
in Transfer Case - NVG 246-NP8 Unit Repair.
|
| Front input shaft pilot bearing |
- Inspect for the following conditions:
- Replace the bearing if faulty. Refer to
Transfer Case Disassemble
and
Transfer Case Assemble
in Transfer Case - NVG 246-NP8 Unit Repair.
- Replace the rear output shaft if damaged. Refer to
Transfer Case Disassemble
and
Transfer Case Assemble
in Transfer Case - NVG 246-NP8 Unit Repair.
|