How to get air out of cooling system

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prix57
Posts: 14
Joined: Sun Jun 04, 2017 12:33 pm

How to get air out of cooling system

Post by prix57 » Sat Oct 20, 2018 2:13 pm

Hello my apologies if this has already been posted.

I have a 1997 Firebird Firehawk M6 5.7L LT1.

I would like to know the process to get air out of my cooling system, I do not need to do a coolant change or flush.

My temp gauge has been shooting up into the red randomly when driving and I can hear the coolant gurgling really loud after a shut the engine of and even when I come back from a 15 min drive.

I also see there is coolant spewing out from the front passenger side (could be from overflow, rad cap, waterpump) but I have yet to jack it up and check underneath which I will do later today.

My engine was rebuilt few years back by previous owner and when it was rebuilt they switched it from using dexcool to regular green coolant.

I did get a new delco rad cap which I will use once the air is out.

If i need to replace the thermostat what is the recommended temp I should replace it with?

Thanks!

NBrehm
Posts: 181
Joined: Sun Jun 28, 2015 8:58 pm
Location: New York

Re: How to get air out of cooling system

Post by NBrehm » Wed Oct 24, 2018 5:12 pm

Theoretically the air should work it's way out. Is the radiator and overflow full?
-Nick
2001 Formula Firehawk #293

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Scott Chab
Posts: 3306
Joined: Sat Feb 23, 2002 3:44 pm
Location: Wilmington, Delaware

Re: How to get air out of cooling system

Post by Scott Chab » Sat Oct 27, 2018 11:03 pm

'94 Hawk #110
Soon to be helping me make bad decisions again

2002 red hawk
Posts: 105
Joined: Thu Dec 01, 2016 10:44 pm

Re: How to get air out of cooling system

Post by 2002 red hawk » Sun Nov 04, 2018 2:39 pm

When the thermostat failed on my Hawk, luckily I was not far from home. I replaced it & used this to burp the system. It worked great. https://www.google.com/url?sa=i&rct=j&q ... 6626573573

prix57
Posts: 14
Joined: Sun Jun 04, 2017 12:33 pm

Re: How to get air out of cooling system

Post by prix57 » Thu Nov 15, 2018 3:45 am

Thanks for the info.

Looks like my thermostat is shot and needs to be replaced. Just picked up a 180 degree one hoping to change it soon.

Removing the ram air intake to access the thermostat should be be pretty straight forward right?

2002 red hawk
Posts: 105
Joined: Thu Dec 01, 2016 10:44 pm

Re: How to get air out of cooling system

Post by 2002 red hawk » Sun Dec 02, 2018 11:43 pm

Yes, easy enough to do, as it hangs off the front of the engine block.

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