where is the radiator drain plug

Asked by Oct 04, 2015 at 05:08 PM about the 1998 Cadillac DeVille

Question type: General

we need to drain water to add anti freeze

3 Answers

25,385

under or on the side(lower) ...if you cant find it take off the lower rad. hose at the radiator...

3 of 3 people found this helpful.
67,255

Always use a 50/50 mix of antifreeze and water year round. Never ever run straight water!! HTH. -Jim

1 of 1 people found this helpful.
4,815

Might not have one. For some years, GM thought that saving a buck on each car would add to their bottom line. They found out that it wasn't a good idea and started putting them back in a few years later. Like "Kelly" said, if you can't find the valve, jus pull off the lower radiator hose to drain the system.

1 of 1 people found this helpful.

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