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Is there a drain plug on a 2005 Buick century
where is the drain plug for the radiator on a 1992 buick regal custom
You can find the 1991 Buick Skylark radiator drain plug on the bottom of the radiator. The radiator drain plug will be in the center of the radiator bottom.
If you can't find drain plug, just disconnect lower radiator hose.
There is none. You will need to remove the lower hose.
Bottom of the oil pan.
It seems these 2007-2013 GM lambar do not have drain plug.
on the bottom of the engine's oil pan
Look at the bottom or rear of the radiator
The drain plug is on the bottom of the oil pan on the bottom of the engine.
On the rear or side of the oil pan
15mm.