How to Replace Rear Output Drive Shaft Seal in Transfer Case

How to Replace Rear Output Drive Shaft Seal in Transfer Case and Transmission
In this video I am replacing leaking drive shaft seal. This process can be used for replacing rear output shaft seal in transfer case and transmission.

GM Seal: https://amzn.to/2Vhgo2u

Steps to replace drive shaft seal:
Mark the rear universal joint to the drive shaft flange
Remove 4 retaining bolts and clamps
Remove the propeller shaft from the pinion drive flange
Remove the propeller shaft from the transfer case
Remove the seal and install new drive shaft seal
Align the propeller shaft with the reference marks on the pinion flange and reinstall shaft
Finish tightening to your vehicle torque spec for my Hummer H3: 25 N.m (18 lb ft)
After finishing drive shaft install, check Transfer Case fluid level and add if required.
To check Transfer case fluid level:
1. Make sure the vehicle is leveled
2. Remove Transfer case Fill Plug
3. Check Transfer case fluid level
Using a flashlight, check for oil at the fill plug hole. When full, the oil should be just below the hole, or dripping a bit from the hole
Add fluid recommended for your vehicle if required.
When fluid start dripping - reinstall Fill Plug
PLEASE NOTE: 2006 HUMMER H3 and certain models of 2007, the procedure to fill the transfer case is different. You need to fill to fill plug, reinstall fill plug and ADD 250 ML trough speed sensor hole (located in the upper part of the transfer case) In these transfer cases, there is a metal sticker that describe this. The fluid for these transfer case is not Dexron VI. The fluid is GM Part Number: 88861800. And total fill amount is 1.5 liters

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Disclaimer: This video is for entertainment purpose only! NewRoad assumes No liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. Please consult your qualified auto technician