Diff oil?

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Mar 4, 2011 | 05:41 PM

#11

smoke1425

Thread Starter

Junior Member

Joined: Sep 2009

Posts: 26

Likes: 0

From: S.C.

Quote:

Originally Posted by Kattumaram

The TSB does not mention a change from 75W90 GL5 for the front differential.

In case you may have missed an earlier post: Wal-Mart Supertech 75W140 GL5 full synthetic is available for $10.50/QT more or less. That puts it about half the price of any of the majors.

Thanks! Appreciate all the help! Guess I'll be swapping the rear out again tomorrow. Depending on time, might try to go ahead and get the front knocked out too!

A little off subject but what trans fluid do you guys use? Complete trans and transfer case fluid change is next on the agenda. Anyone used the Royal Purple or stick with motorcraft?

Mar 4, 2011 | 07:45 PM

#12

Kattumaram

Retired Aerospace

Joined: Dec 2008

Posts: 1,324

Likes: 14

From: Edgewater, Florida

Strangely Believe It:

Quote:

Originally Posted by smoke1425

A little off subject but what trans fluid do you guys use? Complete trans and transfer case fluid change is next on the agenda. Anyone used the Royal Purple or stick with motorcraft?

Both my vehicles, F150/4R70W and Lincoln TC/AODE, are filled with Chrysler ATF+4 as recommended by my local transmission shop of 40+ years of experience. ATF+4 is fully compatible with either transmission and has a longer service life than Mercon V.

But, do what you think is right if using Chrysler fluid in your ride makes you nervous.

Last edited by Kattumaram; Mar 4, 2011 at 08:05 PM.

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