Use 5W-30. It is the recommended weight by GM.
dex cool the car manual says to only use dex cool
The 1999 Oldsmobile can use any SAE certified motor oil. The manufacturer recommends 10W-30 weight motor oil. Extreme climates can use a heavier motor oil.
what type of gear oil to use in 2003 chevy tahoe 4wd
10w30
5w30
5w30
4.5 quarts
G12 nothing but G12
castrol synthetic 10w30
10w-40
The answer is use 10W-30 for engine oil in the 2003 Hyundai Tiburon GT.
R134a