Differential Oil Question

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El Guapo Phil

Senior Member
Joined
Jun 2, 2020
Posts
101
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156
Location
Belize, Central America
Ram Year
2016
Engine
Hemi 5.7
I went to have the 4x4 differential fluids drained and new live infused in the differentials. All was fine for the front, 75w-90. The rear was another issue. The attendant drained the rear differential before checking inventory. He came back and put 85w-140 in the rear. After the job was done, he told me what had happened.

What to do? Drive and drain the rear and buy the recommended fluid?
 

huntergreen

Senior Member
Military
Joined
Jan 5, 2011
Posts
12,186
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Ram Year
2016
Engine
hemi 5.7
I went to have the 4x4 differential fluids drained and new live infused in the differentials. All was fine for the front, 75w-90. The rear was another issue. The attendant drained the rear differential before checking inventory. He came back and put 85w-140 in the rear. After the job was done, he told me what had happened.

What to do? Drive and drain the rear and buy the recommended fluid?
At least he told you.
 
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