'02 Pickup axle noise
I normally just do olde trucks, but my friend is going to show up at my house so I can help him figure out why his rear axle is making noise. So I have some stupid questions:
1). What axle does a 2002 have? Is it still the 10-bolt, 12-bolt thing, or is it something else? How about interchangeability when we go to the junkyard?
2). He says is it has a locking differential option (uh-oh). Is this still the grenade 80?
3). The truck has a 3.73 in it. Will it screw up the computers if we change ratios? He drives it mostly on the highway and doesn't really tow.
I told you they were stupid questions. Anything else you can think of would be appreciated.
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