The 3800 engine take approx. 4 1/2 quarts of oil with filter replacement. TechJK --------------------------------------------------
A 1992 Buick Regal 3800 needs approximately 4.5 quarts of oil. The oil can be purchased at any auto parts store such as NAPA.
4.3 liters
4.5 qts
5w30
the 3800 oil sending unit should be on the side of the block. It is screwed in right beside of the oil filter.
under oil pan towards rear of it
Listed in your owners manual.
You either have a leak or it is burning oil.
Neglect to replace the supercharger oil.
look up behind the right front tire
SAE 5w20 any major brand.
A 2005 Buick LaCrosse typically requires about 4.5 quarts of oil for an oil change when using a standard oil filter. However, it's always best to consult the owner's manual or check with a dealership for the exact specifications, as this can vary slightly based on the engine type.