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| flyboy | FSM rear axle fluid recommendation mystery (C4 tech) | ||
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Elite Guru
 
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The only reference to rear axle fluid change that I can find in the FSM is under "Recommended fluids and lubricants", page OB-13. It states "Rear axle gear lube 80w90...12oz. and gear lube additive... 12oz.
Well 12oz.+12oz.=24oz., but to fill the diff. up to the fill hole takes about 52oz. which is what I did. All I can figure is maybe they were trying to increase MPG slightly by reducing the friction caused by more fluid. Also I never heard of putting 12oz. of LS additive in. I used two, 4oz. bottles which is generally regarded as overkill. Am I missing something? |
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Posted on: 2012/6/10 0:03
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| 1Fast04Vert | Re: FSM rear axle fluid recommendation mystery (C4 tech) | ||
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Elite Guru
 
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You did it right, the book is wrong.
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Posted on: 2012/6/10 1:53
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2004 Vert. 475hp. Built by Vengeance Racing |
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| BillH | Re: FSM rear axle fluid recommendation mystery (C4 tech) | ||
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The Stig Moderator
 
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Quote:
Yep. Musta changed the manual in 92 - Level-Flush with the hole to 6mm (1/4 in) below. Everybody uses 2- 4 oz bottles. |
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Posted on: 2012/6/10 13:52
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Every man dies but not every man lives. |
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