You have to use Dexi cool anti freeze it works best for all Chevy impalas
DEX-COOL (50/50 mixture)
If it is slipping in gear or any out of the ordinary rough shifting.....
Dexron lll
Dot 3
just regular antifreeze i would just mix it 50/50 with water or u can purchase it already mixed.
Dexcool
5w-30 regular oil or synthetic, whatever you prefer.
The 2005 Chevrolet Impala has overhead valves (OHV).
i want to know what type of antifreeze does 1994 chevy camaro
gm 4t65e
Dexcool
The Orange Dexcool