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 level 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 Transmission, Transaxle Unit Repair Manual. |
|
Motor/encoder area leak
|
| • | Inspect for a faulty actuator lever shaft bearing. Replace the control
actuator lever shaft if the bearing or seal surface is faulty. Replace the bearing
if it is faulty. Refer to
Transfer Case Assemble
in Transmission, Transaxle Unit Repair Manual. |
|
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 input 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 it is leaking. Refer to
Transfer Case Assemble
in Transmission, Transaxle Unit Repair Manual. |
|
Front case half to rear case half seam leak
| Disassemble, and reseal the case halves. Refer to
Transfer Case Assemble
in Transmission, Transaxle Unit Repair Manual.
|
