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4.5 (with filter)
You either have a leak or it is burning oil.
According to the Owner's Manual, when any of the following occur: 1) When DIC Warning comes on: CHANGE ENGINE OIL SOON 2) Once a year 3) Every 3,000 miles (5,000 km)
5w30
under oil pan towards rear of it
Listed in your owners manual.
look up behind the right front tire
SAE 5w20 any major brand.
look up behind the right front tire
Do I have to pull the motor to change the oil pan gasket on my 1985 buick rivieria?
= How do you reset change oil soon light on 1993 buick park avenue? =
The 3800 engine take approx. 4 1/2 quarts of oil with filter replacement. TechJK --------------------------------------------------