Filling Engine with Antifreeze
Thread Starter
Safety Car
Joined: Nov 2004
Posts: 4,359
Likes: 57
From: Mundelein Illinois
Filling Engine with Antifreeze
Drained the radiator and pulled the drain plugs on each side of the block. Going to refill, my question is, do I need to pull thermostat or can I fill with out pulling thermostat.
Le Mans Master
Joined: Jan 2003
Posts: 6,575
Likes: 1
From: Tuttle OK
Cruise-In VIII Veteran
If I drained it that far, I'd pull the thermostat and fill it there first. Helps get all the air out.
I'd put a new thermostat in while I was at it. Nothing like fresh meat while you're in there.
I'd put a new thermostat in while I was at it. Nothing like fresh meat while you're in there.
Burning Brakes
Joined: Mar 1999
Posts: 1,047
Likes: 3
From: CA
If you're gonna change the stat, my engine builder showed me a trick. He used white lithium grease instead of gasket sealer. That was 10 years ago and I've changed the stat many times since. The benefit is there is no gaskets to scrape off when changing...the old gasket just lifts off. I still use a new gasket each time.
Last edited by 71406; Sep 3, 2010 at 09:20 PM.
Thread Starter
Safety Car
Joined: Nov 2004
Posts: 4,359
Likes: 57
From: Mundelein Illinois
Drifting
Joined: Apr 2008
Posts: 1,305
Likes: 2
From: Lewisburg WV
thegazman
I usually remove the heater hose from the top of the intake manifold and fill the radiator until coolant comes out of the top of the intake. Seems to get more of the air out of the system.
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Verdad Gallardo
Race Director
Joined: May 2006
Posts: 16,528
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From: Dayton, Ohio
I've always felt the key is to get the pump full , it doesn't like air. Once the pump is primed it forces the air out of the block.
I've gone over to peoples houses that were having trouble and did nothing but loosen the plug on top of the pump and let the air out,and the engine was fine after that.
I've gone over to peoples houses that were having trouble and did nothing but loosen the plug on top of the pump and let the air out,and the engine was fine after that.