75w90
75w90
75w90
75w90 or 80w90
Where does the gear oil goes in a 1999 chrevolet express 1500 3.5 engine goes
75w90
The trans does not use gear oil. The auto uses ATF+4 and the manual uses a special manual transmission lube.
9.25 inch axle
Most were 3.55:1
Yes
Depends on the year and engine. Some do, some don't.
85W90 gear oil.
it could be your timing.
3.55 or 4.10 : 1
If the front is 3.55, then the rear needs to be 3.55