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75w-90
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Front and Rear Differential Fluid Change
I'm replacing the driver's side inner axle seal tomorrow night and will be changing the front / rear differential fluid while I'm at it (front has been leaking and I might as well keep the fluid changes in sync). The owners manual states 75W-90 and meeting GM Specification 9986115; however...- autumn walker
- Thread
- 75w-90 9986115 differential gear oil
- Replies: 22
- Forum: HUMMER H2 2003-2009