Transfer Case - NV245
WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSIS CHART
| CONDITION | POSSIBLE CAUSE | CORRECTION |
|---|---|---|
| Transfer case difficult to shift or will not shift into desired range. | 1) Transfer case electronically controlled shift system malfunction. | 1) Verify proper operation per the appropriate diagnostic information. |
| 2) Insufficient or incorrect lubricant. | 2) Drain and refill transfer case with the correct quantity of Mopar® ATF +4, Automatic Transmission Fluid. | |
| 3) Internal transfer case components binding, worn, or damaged. | 3) Repair or replace components as necessary. | |
| 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. | |
| Transfer case noisy while in, or jumps out of, 4LO. | 1) Transfer case not completely engaged in 4LO position. | 1) While rolling 2-3 MPH and the transmission in NEUTRAL, or the clutch depressed on vehicles equipped with a manual transmission, shift the transfer case to the AWD or 4LOCK position, and then back into the 4LO position. |
| 2) Range fork damaged, inserts worn, or fork is binding on the shift rail. | 2) Repair or replace components as necessary. | |
| 3) Low range gear worn or damaged. | 3) Repair or replace components as necessary. | |
| 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. |