Question about 1997 Buick Skylark

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Engine block coolant drain plug

Where is the coolant drain plug on the engine block of 2.4L 97 Skylark?

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Unfortunately g.m. screwed the knock sensor into the drain port on the block. It is on the rear of the engine between the eng. and the trans.. If you are flushing the system out then just remove the thermostat (also under the car on the bottom of the engine) and flush the system out. anticipate the water left in the system by adding aprox. 1/2 gallon of straight coolant concentrate before adding the 50/50 mix. Good luck ,hope I helped

Posted on Aug 30, 2008

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There is no coolant drain on the block. however take the lower radiator hose off and you should be able to get it to drain completely.

Posted on Aug 30, 2008

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100 - Engine Block
100 - Engine Block
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How to drain radiator


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