5w30 when its cold and 10w30 when its warm
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.
on the oil pan
You have an oil leak.
I dont know about a regal limited but I have a 1992 buick regal gran sport 3.8 liter engine if your standing in front of the car look on the left side of the engine you will see the power steering pump it is under the pump you have to shine a flash light down the firewall to see it and can only get to it from under the car.
As soon as the 2003 Buick Regal change oil light comes on, it is important to do so immediately. Not changing your oil can damage the motor in your car.
4.5 qts
The 2001 Buick Regal needs oil added if the level of oil on the dipstick is at or below the Add mark. Checking the oil at every stop for fuel is good practice to catch major leaks early.
You can prime the oil pump on an 85 Buick Regal by removing the distributor and inserting a priming rod onto the oil pump shaft. It can then be turned by hand or with a drill to distribute oil throughout the engine.
10w 40w
5 quarts
5w20 any major brand.
4.5 qts. with a filter change