Diff fluid change question

[sakoluvr]

Need to change diff fluid and transfer case.

Has anyone used an impact wrench with a hex bit socket on the bolts? I saw where you can purchase impact rated hex bit sockets. What's not to love?

 

[97t4r81]

Not certain that an impact would fit. Be careful these plugs distort easier than you'd imagine. I've always used a breaker bar, heat, and wd-40.

 

[Mark_BC]

Harbor Freight has impact sockets for cheap. But my impact gun wasn't powerful enough. Eventually heat and a breaker bar broke it.

 

[DK327]

Impact will not fit (front diff fill bolt) and even if it does it might strip the hex bolt easily... Do yourself a favor and soak it overnight with Seafoam deep creep or pblaster before any attempts. After you've successfully drained/refilled, tighten it snug but not necessarily to spec because they somehow get really tight again after a while. Snug should be just fine, they will NOT unscrew themselves loose.

 

[sakoluvr]

Ok I think I will scratch the impact wrench approach.