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 Bleeding the Cooling System

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Wagon Collector

Wagon Collector


Posts : 318
Join date : 2008-12-31

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PostSubject: Bleeding the Cooling System   Bleeding the Cooling System Icon_minitimeWed Jul 07, 2010 9:38 am

Okay... so I've had LT1 cooling systems apart a billion times...

This time, when I buttoned up the '94, I bled the system per usual - while adding coolant I had the valve cracked, then I started the car w/o a cap, let it warm up, bled it again, put on the cap, drove it, bled it again. This is usually all it takes.

Parked it yesterday, and it puked up a bunch of coolant. I pulled the expansion tank cap, and it was very low. Added some coolant, and grabbed the cap from another car because the cap had a little spring that was out of place - I think it was bad and the system couldn't achieve pressure.

So... now all seems fine, but I'm getting the waterfall sound at the heater core. I've bled the system a bunch of times, and I just can't seem to get the noise to stop.

Any suggestions? Is my heater core perhaps clogged? It (the heater core) is only a couple years old, but I guess anything is possible!

Thanks in advance!
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convert2diesel




Posts : 958
Join date : 2009-01-05
Age : 71
Location : Manotick, Ontario

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PostSubject: Re: Bleeding the Cooling System   Bleeding the Cooling System Icon_minitimeWed Jul 07, 2010 1:11 pm

You may of tried this but I usually jack the front of the car up as far as I can and then go through the bleeding process. Doing it this way I can normally do it in one shot.

Bill
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