Chevy Trailblazer - checking/changing front differential fluid





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Published on Nov 13, 2011

Here I show you how I check and change the front differential fluid in an 03 Trailblazer.

Fluid type: synthetic 75w90 (GM P/N 12378261, meeting GM Specification 9986115)
Recommended service interval: 75-100K miles
Capacity: 1.5 quarts

Torque specs:
Front differential fill and drain plugs: 24 ft-lbs

I used the following parts/ tools:
transfer tube
drain pan
white ziptie
18mm 1/2" drive socket
6" 1/2" drive extension
10" 1/2" drive extension
small 1/2" drive ratchet
xl 1/2" drive ratchet
13mm wrench

UPDATE - AUGUST 2013 - Looks like I got to shut the comments off on this one too. No one gives a fuck what you would have done different! If you don't believe me, make a video and see for yourself.

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