2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

My car is Using too much Coolant

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Old 08-16-13 | 08:11 PM
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My car is Using too much Coolant

Hi, I got my clutch done about a week ago, and now my car uses way too much engine coolant and I dont see any leaks. Im not sure if the cluctch change had anything to do with it, I also had my exhuast gaskets replaced and my belts changed. Im not sure if any of these reasons had anyything to do with it, but its all I had done with my car prior to the over excessive amount of coolant used.

Last edited by 1991 S5; 08-16-13 at 08:17 PM.
Old 08-16-13 | 08:22 PM
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Define "way too much" coolant loss and does the car smoke now?
Did it before?

None of the work performed breaks into the cooling loop, so I don't think that's what's happening.
Old 08-17-13 | 12:03 AM
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I filled it up to full on tuesday and now its empty today. And no this hasnt happen before, and I havent checked if there is smoke yet, but I just bought coolant and I will fill it up again and let it Idle a bit to see if it smokes
Old 08-17-13 | 12:58 AM
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Don't risk coolant til you know it won't disappear right away.
Distilled water will suffice.

I filled it up to full on tuesday and now its empty today.
What is "it"?
Old 08-17-13 | 01:51 AM
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Don't forget to check your interior as well for coolant leaks. The heater core holds coolant too.
Old 08-17-13 | 04:34 AM
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So fill my coolant container up with distilled water and let it idle to see if smokes come out? I will try that, and okay check the interior for leaks, is there any speicifc place i should check inside?

Last edited by 1991 S5; 08-17-13 at 04:37 AM.
Old 08-17-13 | 05:58 AM
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Passenger floorboards. You filled up the coolant container, have you checked your radiator and fill neck for coolant?
Old 08-17-13 | 07:57 AM
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I didnt feel the radiator, on the day i filled my coolant box to full. And i will fill everything later and look for leaks, etc.
Old 08-17-13 | 01:01 PM
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I meant I did soryr i was really tired.
Old 08-17-13 | 05:37 PM
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I filled up everything, and this time i notice a leak. Its underneath the car, umm, like where the radio would be in the car. And the leak is to the left of my headers. What does that mean?
Old 08-18-13 | 03:47 AM
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check the hose that goes to the throttle body, might be leaking
Old 08-18-13 | 04:59 AM
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Originally Posted by 1991 S5
I filled up everything, and this time i notice a leak. Its underneath the car, umm, like where the radio would be in the car. And the leak is to the left of my headers. What does that mean?
Going to be difficult imagining what you're trying to describe.
You need to let it pressurize and look for it.
If looking at rear of engine you have several that areas that may flow that way.
Throttle body in or out, heater core in or out or BAC inlet hose. Only way you're going to see it is after it pressurizes .
Old 08-18-13 | 05:25 AM
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Ohh okay, i will rent one from Oreilys. And sorry i couldnt be any clearer, if my camera was working, i would try and upload a picture.
Old 08-18-13 | 05:43 AM
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Originally Posted by 1991 S5
Ohh okay, i will rent one from Oreilys. And sorry i couldnt be any clearer, if my camera was working, i would try and upload a picture.
Rent what?
Fill radiator and let it idle to normal temp. and look for it.
If you don't see any coolant around the in/out to heater core then it's under or at the throttle body .
It's a bitch to get to the short lower coolant hose coming up from the nipple on the block.
What I did years ago is get a 90 bend hose and route it back to throttle body.
Taking it off is much easier that way. Or just block it off if you don't need warm up assist.

Until you fix the problem, just use water.
Old 08-18-13 | 03:25 PM
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SOrry i misread something, and thats what I did, I filled everything up. It does leak or anything when its off, but when I turn my car on and let it idle, it starts leaking at one spot I was trying to explain. And thanks for the suggestions, I will keep trying to see whats wrong with it.
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