2001 Cadillac Deville Repair Question
2001 Cadillac DeVille. The leak is rear driver side. It looks like by the water pump housing. That housing goes along driver side of the motor. Pump
Your question was incomplete and cut off. I'm guessing you have a coolant leak somewhere? Purchase a bottle of leak detector dye and rent or borrow a black light. Pour the dye in, run the engine for about 20 minutes, then run the black light over the engine. The leak will show up as a bright florescent color.
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