sae 5w-30
factory calls for 5w-30
That manual transmission doesn't use gear oil. You can use Mercon ATF.
you will need to use 80 90 weight greese in that
Dexcool
DOT 3
To drain the oil on a 1991 Chevy S10 Blazer, located the oil pan drain plug. Use a wrench to remove the plug and the oil will flow into the receptacle you have provided.
what type of gear oil to use in 2003 chevy tahoe 4wd
R134a
It is marked on the dipstick what ATF to use.
A 5W-30 works in most climates.
Originally it would have used Dex-Cool.
I have always used 10w30. never had any problems.