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Transfer Case Fluid Change (Automatic Transfer Case Only) [Archive] - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

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Trefilov22
07-10-2006, 12:35 PM
According to mygmlink.com, this is the only service needed (besides oil and the basic stuff) at 50k miles?? Is that correct? If so, what exactly does that mean?

Transfer Case Fluid Change (Automatic Transfer Case Only)


:rolleyes:

MTPockets
07-10-2006, 02:29 PM
Transfer Case Fluid Change (Automatic Transfer Case Only)

This means drain and refill your transfer case. There are seperate drain and fill plugs on it. Use only GM Auto-trak II oil. IIRC, it uses just over 1.5qts.

Joel

ScarabEpic22
07-10-2006, 06:21 PM
This means drain and refill your transfer case. There are seperate drain and fill plugs on it. Use only GM Auto-trak II oil. IIRC, it uses just over 1.5qts.

Joel
Yep, I did mine at 49K when I changed every other fluid (except power steering which I need to do eventually).

Only use GM AutoTrak II fluid otherwise your TC will never work again, seriously. It is the only fluid that works in them. In mine I put about 1.8L in it, buy 2L of it from the dealership for like $10-12 per L.

Ohh, and make sure you have a 3/8" hex drive bit before attempting to remove the fill and drain plugs (remove fill first).