How do I purge a vapor lock in a 97 Buick Riviera supercharged vehicle


Asked by Jan 30, 2014 at 03:28 PM about the 1997 Buick Riviera

Question type: Maintenance & Repair

i replaced the water pump and serpentine belts on the car, but water is not getting to the engine. I am sure it is a vapor lock, but do not know how to purge it.

4 Answers


Vapor lock is when the gasoline coming to the engine gets so hot it boils away before it reaches the engine. What you have sounds like air in the cooling system. There's a special tool for this that can be bought at your local auto parts store. HTH. -Jim

1 of 1 people found this helpful.

Take off the plastic cover over the engine. Follow the upper radiator hose to the engine (Coolant outlet). There is a bleed screw on the outlet. Open the bleed screw, and fill the radiator. You can also crack it open a little, with the engine running, to purge the air out. Follow the link for a picture.

2 of 2 people found this helpful.
Best Answer

Thank you, got the car fixed finally.!!!

1 of 1 people found this helpful.

Your welcome.

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