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Old Oct 5, 2007 | 05:00 PM
  #1  
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heathc
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Rear diff fluid

Don't know if this is the wright place, but, could anyone tell me how much and what type of Gear oil to use on a f350 motorhome? Thanks
 
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Old Oct 5, 2007 | 05:19 PM
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can't remember exactly how much think 3 1/2 Qt
brand name synthetic 75-90
4 oz friction modifier if it's posi
 
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Old Oct 5, 2007 | 08:55 PM
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It states the fluid to use in your owner's manual Heath.

What year is it? We can probably provide you with a link to a copy of the manual of you don't have one.
 
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Old Oct 5, 2007 | 09:56 PM
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It is a 1999 34' with a V-10. Thanks for the help red.
 

Last edited by heathc; Oct 5, 2007 at 10:00 PM.
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Old Dec 19, 2007 | 07:35 PM
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duallys call for 90-140 synthetic gear lube. that is what my 99, o5 and 08 says in the manual.
 
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Old Dec 19, 2007 | 07:50 PM
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Originally Posted by oltrucker
duallys call for 90-140 synthetic gear lube. that is what my 99, o5 and 08 says in the manual.
mine calls for 75-90 or 75-110
 
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Old Dec 20, 2007 | 09:19 AM
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Talked to the dealer and they said 80-90 no additive and it took 14 quarts.
 
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