| Classification: | Reference: | Date: |
| TF02-001 | NTB02-019 | February 19, 2002 |
1999-2002 FRONTIER & 2000-2002 XTERRA “BEARING NOISE” FROM TRANSFER CASE AREA
APPLIED VEHICLES:
1999-2002 Frontier (D22)
2000-2002 Xterra (WD22)
SERVICE INFORMATION
If an Applied Vehicle exhibits the following symptom:
“Bearing noise” (rumbling noise) coming from the bottom of the vehicle
- when the transfer case is in 4WD High and
- throttle application is light with speed between 15 and 35 MPH,
The original transfer case companion flange dust cover may be amplifying the sound of the bearing.
- A replacement companion flange designed to dampen the noise emitted from thebearing, should it occur, has been developed (see Figure 1).
- Use the Service Procedure provided in this bulletin to verify and repair this incident, if itshould occur.
Figure 1
SERVICE PROCEDURE
- Put the vehicle up on a hoist and while in 4WD High use a “stethoscope” to verify that“bearing noise” is occurring.
- If the noise is occurring in locations other than the transfer case assembly companion flange, this bulletin does not apply. Use the appropriate Frontier/Xterra Electronic Service Manual (ESM) to investigate other causes for the noise.
- If noise is occurring from the transfer case assembly companion flange, proceed toStep 2, below.
- Remove the original transfer case assembly companion flange. Reference the Electronic Service Manual (ESM), Section TF (Transfer)/ON-VEHICLE SERVICE/Replacing Oil Seal/FRONT CASE OIL SEAL.
- Install the replacement companion flange and self-locking nut (see the PARTS INFORMATION section for more information) and re-assemble the parts removed in Step 2 in reverse order. Torque the self-locking nut to 226-324 N-m (23.0-33.0 kg-m, 166-239 ft-lbs.)
- Test drive the vehicle to verify the noise is reduced.
PARTS INFORMATION
| DESCRIPTION | PART NUMBER | QUANTITY |
|---|---|---|
| Companion Flange, Transfer Case | 33210-4W100 | 1 |
| Transfer Case, Self-locking Nut | 38216-31G00 | 1 |
CLAIMS INFORMATION
Submit a Primary Failed Part (PP) line claim using the following claims coding:
| DESCRIPTION | PFP | OP CODE | SYM | DIA | FRT |
|---|---|---|---|---|---|
| RPL Companion Flange | 33210-4W100 | KB78AA | ZL | 32 | (1) |
(1) Reference the current Nissan
“Warranty Flat Rate Manual” and use the indicated FRT.
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