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where is the frost plug located on a 1997 chevy lumina with a 3.1


There are 3 located along the

There are 3 located along the front bank and 3 located along the back bank. Also have a couple on either end of the block but they never go. most likely the one on the back if there is a block heater on the engine. Replace it with a rubber plug available at your parts store if you do not use a block heater.


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