Cause
| Correction
|
DEFINITION:
A visible indication of an external fluid leak from the transfer case.
Review the
Symptoms - Transfer Case
and perform the necessary inspections.
|
Rear output shaft seal leaking
|
| • | Inspect the slip yoke seal surface for wear or pitting. Replace
the slip yoke if the surface could cause leakage. |
| • | Inspect the rear bushing for wear. Replace the bushing if it is
worn. |
|
Speed
sensor leaking
| Replace the O-ring seal on the speed sensor. Refer to
Transfer Case Speed Sensor Replacement
.
|
Front output shaft seal
leaking
|
| • | Inspect the seal bore for damage. Replace the front case half
if the seal bore is damaged. |
|
Leaking
at the vent tube
|
| • | If the transmission fluid level is low, and the transfer case
is too high, replace the transfer case front input shaft seal. Refer to
Input Shaft Seal Replacement
. |
| • | Inspect the front input shaft seal surface for wear or damage. |
| • | Reseal the vent tube with the correct sealer. Refer to
Transfer Case Assemble
in Transfer Case -
NVG 263-NP1 Unit Repair. |
|
Transfer
case to transmission area leak
|
| • | Inspect the front input shaft seal for leaking. Replace the front
input shaft seal if it is faulty. Refer to
Input Shaft Seal Replacement
. |
| • | Inspect the front output shaft seal surface for wear or damage. |
| • | Inspect the front case seal bore for damage. |
| • | Inspect for the input gear bore seal leaking. Replace the input
gear bore seal if the seal is leaking. Refer to
Transfer Case Assemble
in Transfer Case - NVG 263-NP1
Unit Repair. |
|
Front
case half to rear case half seam leak
| Disassemble and seal the case halves. Refer to
Transfer Case Assemble
in Transfer Case - NVG 263-NP1 Unit Repair.
|
