For 1990-2009 cars only
Borg Warner NR3, NR4 Transfer Case - Parking Lot Shudder, BInds On Turns in 4 High Open, Crow Hop (Replace Plastic Mode Fork)
| Subject: | Borg Warner® NR3, NR4 Transfer Case -- Parking Lot Shudder, Binds On Turns in 4 High Open, Crow Hop (Replace Plastic Mode Fork) |
| Models: | 2006-2008 HUMMER H2, H3 Vehicles |
| with Borg Warner® Transfer Case 4493/4494 (H3 - RPO NR3) or Borg Warner® Transfer Case 4484 (H2 - RPO NR4) |
Condition
Some customers may comment on transfer case parking lot shudder or bind on turns in 4 HI "Open" position on vehicles equipped with Borg Warner® 4484, 4493 or 4494 transfer cases.
Cause
The plastic mode fork in the transfer case may have melted, which binds the transfer case in a partially applied position.
Correction
Important: Do Not replace the entire transfer case for the above concern.
Replace the damaged mode fork. Refer to Transfer Case Disassemble and Assemble in Service Information (SI).
| • | H2 - Replace with P/N 19180821. |
| • | H3 - Replace with P/N 19180438. |
Parts Information
Part Number | Description |
|---|---|
19180821 | Mode Fork (HUMMER H2) |
19180438 | Mode Fork (HUMMER H3) |
Warranty Information
For Vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
K4400 | Transfer Case Assembly - R&R | Use Published Labor Operation Time |
