1990 bronco diff info needed
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Elder User
Joined: Sep 2006
Posts: 519
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From: Bountiful UT
1990 bronco diff info needed
hey everyone. Just a couple of quick questions I am assuming my rear diff is the 8.8?. I am going to drain and inspect everything before the elk hunt this year, My question is do I need to add friction modifier when I refill or not? And is 80/90 gear oil ok to use?
The Southernmost Mod
Joined: Dec 2004
Posts: 6,902
Likes: 21
From: Caracas, Venezuela
Read the tab on your door, the codes should specify if yours is a L/S... i'm not sure what you should be looking for (as for the letter code), but if it isn't a L/S it won't need friction modifier. The proper oil should be specified in the Owner's Manual (I searched, it's 80w90 allright).
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