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rear axle fluid ?

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Old Sep 12, 2010 | 03:07 PM
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rear axle fluid ?

Hearing a little clicking/slipping in rearend could be the fluid breaking down? I am going to change fluid, does ford require synthetic. I have 01 f250 v10 SD
 
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Old Sep 12, 2010 | 03:20 PM
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Just make sure you use the additive if you have a LS rear.
 
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Old Sep 12, 2010 | 03:33 PM
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Yes, synthetic is factory fill.

I take you have a limited slip? You could use a fluid that already contains the friction modifier.
 
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Old Sep 12, 2010 | 04:19 PM
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so just add the modifier instead of changing all fluid
 
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Old Sep 12, 2010 | 08:03 PM
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Originally Posted by aceltx09
so just add the modifier instead of changing all fluid
If it was me it depend on how many miles are on the truck. I changed mine at 90K and it was do but my truck has always pulled heavy loads.

Denny
 
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