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Overheating

Tiny
CECE18192004
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I think we have been bleeding it wrong. It has two bleeder screws. How do you bleed it correctly? Water pump was rusted when we replaced it.
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Tuesday, December 12th, 2017 AT 8:01 AM
Tiny
SATURNTECH9
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Here is what I have about filling the cooling system after draining it:
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Tuesday, December 12th, 2017 AT 8:50 AM
Tiny
CECE18192004
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We are bleeding the coolant system and it seems like we are getting less air out of the bleeder and more coolant but we will see if this fixes it.
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Tuesday, December 12th, 2017 AT 9:15 AM
Tiny
SATURNTECH9
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Keep us posted.
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Tuesday, December 12th, 2017 AT 10:50 AM
Tiny
CECE18192004
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We were bleeding the cooling system wrong and putting air through the system still. It is fixed now after spending a bunch of money, but hey the whole cooling system is brand new now.
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Tuesday, December 12th, 2017 AT 10:54 AM
Tiny
SATURNTECH9
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The good and bad glad to hear you got it all fixed thanks for using 2carpros
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Tuesday, December 12th, 2017 AT 4:49 PM
Tiny
CECE18192004
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  • 28 POSTS
Bad news the car ran for a couple of hours before it started over heating again. Air is some how getting into the coolant system. Also no leaks so will bar's leak coolant system repair work?
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Tuesday, December 12th, 2017 AT 4:54 PM
Tiny
SATURNTECH9
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No I would never use that leak stop stuff it causes more problems then solutions. So are both the upper and lower radiator hoses getting too hot to hold?
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Tuesday, December 12th, 2017 AT 5:07 PM
Tiny
CECE18192004
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  • 28 POSTS
They do get hot and have a lot of pressure on them. As of right now the cooling fans are bypassed so they come on when we start the car up. We have put a wire in place of the relay
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Tuesday, December 12th, 2017 AT 5:15 PM
Tiny
SATURNTECH9
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Why did you bypass the cooling fan relays?
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Tuesday, December 12th, 2017 AT 5:16 PM
Tiny
CECE18192004
  • MEMBER
  • 28 POSTS
When we had the head gaskets fixed before the relay had gone out. We bought a new relay but misplaced it so we have it to where it come on when we put the wire in its place.
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Tuesday, December 12th, 2017 AT 5:18 PM
Tiny
SATURNTECH9
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That's crazy to do it that way.I know you got the head gaskets replaced but have you rechecked it with a chemical block tester to make sure there isn't exhaust gasses going into cooling system?
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Tuesday, December 12th, 2017 AT 5:55 PM
Tiny
CECE18192004
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There is air somehow getting in the system. We can bleed the system and after a couple of hours there is air again in the system. I have to be missing something but the whole cooling system is brand new
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Tuesday, December 12th, 2017 AT 7:02 PM
Tiny
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Exhaust gasses would put air into the cooling system hot air also.
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Tuesday, December 12th, 2017 AT 7:10 PM
Tiny
CECE18192004
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  • 28 POSTS
Anyway we aren't getting all the air out thru the bleeders? I don't know what else it could be. The Buick dealerships don't even know what it could be. They can tell everything is brand new and we have all the receipts for everything.
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Tuesday, December 12th, 2017 AT 8:30 PM
Tiny
SATURNTECH9
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There is one other thing you can use but it requires a air compressor it's called a air lift I use it all the time. You drain the coolant out and you use compressed air to pull all the air out of the system and it creates a vacuum. You use the vacuum to fill the cooling system air free. But that's strange that it runs without heating for a few hours then you suddenly have air again.
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Tuesday, December 12th, 2017 AT 8:47 PM
Tiny
CECE18192004
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  • 28 POSTS
Okay next question. Could the heater control valve be bad? We have cold air when in idle or not on the gas which is when I see the car go to overheating but as soon as we accelerate we get heat back? I am even thinking maybe the idle air control valve.
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Tuesday, December 12th, 2017 AT 8:47 PM
Tiny
SATURNTECH9
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That or a partial clogged heater core which I have seen those symptoms happen.
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Tuesday, December 12th, 2017 AT 8:50 PM
Tiny
CECE18192004
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Heater core brand new. Me and another girl replaced it just two days ago.
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Tuesday, December 12th, 2017 AT 8:52 PM
Tiny
SATURNTECH9
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Are sure that car has a heater control valve?I didn't see one in my online repair manaul or for sale as a part.
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Tuesday, December 12th, 2017 AT 9:03 PM

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