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diff fluid

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Old 05-23-2011, 03:23 AM
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Post diff fluid
can i replace diff. oil with 75 140wt syn. calls for 75 90wt
2004 f150 4x4 3.73 diff.
 
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Old 05-23-2011, 03:31 AM
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I am pretty sure the rear diff specs full synthetic 75w140 and 75w90 up front
 
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