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Front Differential Lube?

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Old Oct 7, 2006 | 01:55 PM
  #1  
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PW01
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Front Differential Lube?

I have a 2001 Ranger 4x4, and would like to change the front diff lube. Given the location of the cover, I will have to use the "pump out" method. The manual call for 3.6 pints of 80w-90. I would like to use a fully synthetic lube, preferably Mobil 1, but I can only find 75w-90. Would it be advisable, or cause problem, to use this weight? Thanks!
 
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Old Oct 7, 2006 | 03:11 PM
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Nothing is going to exploded using the 75W-90 in place of the 80W-90. I have done it on numerous different applications over the years with no ill effects.

Hootbro
 
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Old Oct 7, 2006 | 06:01 PM
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It should be good enough. If it were the rear axle, I'd argue that 75w-140 would be a better choice, but it's the front axle, and they're often filled with slightly lighter oil.
 
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Old Oct 7, 2006 | 08:04 PM
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80W-90 Synthetic Gear Lube

Amsoil makes a 80W-90 synthetic gear lube.
 
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