Re: Coolant boiling/gargling sound when the engine is turned off
Subject: Re: Coolant boiling/gargling sound when the engine is turned off by TimoG on 2012/10/6 18:11:09
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BillH wrote: It can gurgle when parked hot BUT this is usually coolant going from the header tank back to the reservoir.
Gurgling under the T/B sounds like there's air in the system.
That's my impression as well. It doesn't *quite* sound like it's boiling, but it could well be air bubbles moving around.
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Ypu should probably have the system pressure tested, possibily Autozone or whatever would do that.
I don't have a pressure tester buy feel free to stop by if you get up this way.
The mechanic already offered to do a pressure test, plus I have a trip to Harbor Freight come up. I might just get a pressure tester...
Thanks for the offer, once I have a better idea what's going on I might want to consult you for a second opinion.
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Are you going to be at the racetrack next weekend?
Unfortunately I'm still hobbling about on an injured foot - it's getting better but I don't think it's not a good idea to drive a car with a manual transmission, especially on the track.
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Matatk wrote: What Bill said. You need to "burp" the system. You can easily do this by yourself. Start the car and remove the radiator cap. Use the throttle body linkage to rev the motor to 1500-2000 rpms. I just do it until the coolant starts dropping in the radiator, then fill as much as I can and put the cap back on. Usually once will do it, you might need to drive it and let it cool off then do it one more time to get everything.
I've attempted burping the system the way you described it three times now, albeit not with the front of the car elevated. I'll probably give it one more shot with the front of the car on ramps to see if it makes a difference.
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I don't really do this while the car is too warm. Something about opening a hot radiator cap doesn't appeal to me.
For some reason, it doesn't appeal too much to me either .
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