bleeding cooling system - Chevy Impala SS Forum
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post #1 of 28 (permalink) Old 02-16-2011, 06:21 PM Thread Starter
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bleeding cooling system

what is the proper way to bleed a cooling system?

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post #2 of 28 (permalink) Old 02-16-2011, 06:46 PM
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I don't know about "proper" but here is my method. With the cooling system cold and full I open the bleeder screw and let gravity work to remove some air. Top off the system if needed, seal it up and crank engine. While waiting on it to heat up I jack up the front of car and put on stands. If you are impatient stick a dime in the throttle stop to hold the rev's up. When it's up to normal operating temps I turn off engine and open the bleeder to purge more air. A lot will come out now. Let the car cool, top off coolant level. Repeat. A third run of this never gets anymore air out for me. But it's nice to do just to be certain.
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post #3 of 28 (permalink) Old 02-16-2011, 07:06 PM
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Buy the enhanced bleeder valve from BigBlackBeaSSt. Attach a transparent hose to the nozzle and put the other end in a bottle. Pour the coolant from the bottle back into the reservior. No mess.

Enhanced Bleeder Valve

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post #4 of 28 (permalink) Old 02-16-2011, 09:20 PM Thread Starter
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thanks for all the help fellas you got me through,, i will be getting that enhanced bleeder valve asap

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post #5 of 28 (permalink) Old 02-28-2011, 07:18 AM
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Are the LT1 Corvettes & Camaros any different in the same years? The reason I ask is because when you do a search on bleeding an LT1 cooling system it appears all they do is open the reservoir cap, start the motor, let it warm to operating temp, check to make sure their are no air bubbles in reservoir, top off if needed. The reason I ask is because I'll be replacing an upper hose soon. Thanks!!
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post #6 of 28 (permalink) Old 02-28-2011, 09:52 AM
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post #7 of 28 (permalink) Old 03-01-2011, 05:39 PM
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Quote:
Originally Posted by 96SSbbb View Post

Thats a nice bleeder valve, question tho in that link where does that clear tubing end at? do you let it jus dangle while driving?

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post #8 of 28 (permalink) Old 03-01-2011, 06:40 PM
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I ran the hose behind the water pump and attached it to a bracket under the car. But you could run the hose where ever you wanted. I'll put up some pics later.
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post #9 of 28 (permalink) Old 03-01-2011, 06:58 PM
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ok i defintly would like to see the set up... also the bleeder valves they sale at lowes, they just screw right in no prob?

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post #10 of 28 (permalink) Old 03-01-2011, 07:18 PM
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Quote:
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also the bleeder valves they sale at lowes, they just screw right in no prob?
Just screw it in, the threads are a perfect match.
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