Diagnosis And Testing - Transfer Case
WARNING: This page is about a different variant/trim than selected.
DIAGNOSIS CHART
| CONDITION | POSSIBLE CAUSE | CORRECTION |
|---|---|---|
| Transfer case noisy in all drive modes. | 1) Insufficient or incorrect lubricant. | 1) Drain and refill transfer case with the correct quantity of Mopar® ATF +4, Automatic Transmission Fluid. |
| 2) Internal transfer case components binding, worn, or damaged. | 2) Repair or replace components as necessary.
NOTE:
Check all case bearings for spalling or rough feel when freely rotated. |
|
| Lubricant leaking from transfer case seals or vent. | 1) Transfer case overfilled. | 1) Drain lubricant to the correct level. |
| 2) Transfer case vent closed or restricted. | 2) Clean or replace vent as necessary. | |
| 3) Transfer case seals damaged or installed incorrectly. | 3) Replace suspect seal.
NOTE:
Check the slinger on the seal flange for molded rubber defects. This will cause a seal leak, if the rubber looks to be squeezing out of the slinger, replace the slinger with a new flange complete with wear sleeve (slinger). |