how do I drain the radiator on a 2007 cobalt with no petcock

70

Asked by Jul 18, 2017 at 11:25 PM about the 2007 Chevrolet Cobalt LT Coupe FWD

Question type: Maintenance & Repair

My engine is overheating. It is not the thermostat, water pump, the fan, or the
head gasket. I can not find any information hoe to get the water out of the
engine

6 Answers

259,815

Take off the lower radiator hose.

Best Answer Mark helpful
70

how do you bleed the air when you are through

1 people found this helpful.
259,815

Open the radiator cap and idle the engine with the car facing up hill.

3 people found this helpful.
70

there is no radiator cap.

1 people found this helpful.
259,815

There is a reservoir cap.

10,085

However, if the car is overheating why are you concerned with draining the coolant? Is the system full? Is there air trapped in the system? I would find the source of the overheating problem first if I were you.

Your Answer:

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