Bleed air out of coolant?

Tiny
CCANFIELD74
  • MEMBER
  • 2001 CHEVROLET IMPALA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 69,000 MILES
I need help step by step how to bleed air out of the coolant system on my chevy impala 2001
Tuesday, February 3rd, 2009 AT 8:44 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
This car doesn't have a cooling system bleeder.

Step 1 Add a mixture of one-half water and one-half antifreeze to the radiator. Fill it right up to the top.

Step 2 Fill the overflow/coolant reservoir with the same 50/50 mixture.

Step 3 Leave the radiator cap off, turn the engine on and let it run until the radiator "burps": You will see the coolant level drop and may see or hear a large air bubble come to the top as the system burps.

Step 4 Keep an eye on the temperature gauge throughout this process.

Step 5 Refill the radiator to the top and coolant reservoir as needed.

Step 6 Put the radiator cap back on.

Step 7 Note that if the engine runs hot after this procedure there may have been another pocket of air that "burped." Let the engine cool down and then add more coolant to both the radiator and the coolant reservoir.

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Tuesday, February 3rd, 2009 AT 10:04 PM

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