1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

coolant.....

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Old 11-07-02, 12:52 AM
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coolant.....

83 GS

hey there, ive been noticing over the past little whlie my car has been using quite a bit of antifreeze/coolant. i filled up the overflow resivoir and its already down to like almost empty, and i filled it about 2 weeks ago...
maybe i have a coolant leak somewhere? what are the common places for a coolant leak, maybe in the rad hoses?
or maybe does this car use a lot lot of coolant?
any help is appreciated.. thanks!
Old 11-07-02, 12:57 AM
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Seeing as you didn't mention clouds of white smoke, we can assume you haven't got a bad water seal. So, I'd just take the car to a rad specialist shop and get them to pressure check it. It's probably the easiest way.

PS. My car doesn't use up coolant at all, so you've surely got a leak if you notice the level dropping.
Old 11-07-02, 01:01 AM
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ok excellent, i will try the pressure check since i work at a service garage, perfect... but any input as well would be good ...
thanks
Old 11-07-02, 11:09 AM
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This white smoke, of a water seal leak, is it all the time, or just at startup. I get a nice puff of white-blue smoke at startup, and I've noticed some additional smoke while waiting at stoplights...looks white. I've also been losing coolant at an unhealthy rate of speed, and I've yet to find an external leak.

Looks like I might have the water seal kiss of death on me hands. Rats.

Right on.
Old 11-07-02, 04:06 PM
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In my experience, water seals will actually cause the overflow to fill, not to drain. The car will start blowing combustion gasses into the coolant system which then displace the water out into the bottle.

You will use coolant, but you won't be adding it to the overflow... You'll start filling the motor directly at the rad.

I suppose if the seal leak were in the intake portion of the housing that it would draw coolant in, but I've never heard of it...

Try checking for leaks elsewhere in the system or checking the water pump before you start saving for a rebuild

Last edited by Mark S; 11-07-02 at 04:11 PM.
Old 11-07-02, 04:08 PM
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Originally posted by brownmound
This white smoke, of a water seal leak, is it all the time, or just at startup. I get a nice puff of white-blue smoke at startup, and I've noticed some additional smoke while waiting at stoplights...looks white. I've also been losing coolant at an unhealthy rate of speed, and I've yet to find an external leak.

Looks like I might have the water seal kiss of death on me hands. Rats.

Right on.
White blue is generally oil. Pretty normal on a not new motor. I woldn't worry...
Old 11-07-02, 04:15 PM
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well my car runs quite well, like no problems, lots of power etc.. no smoke at all while running, only steam coming from exhaust pipes when starting, no cloud of smoke.. but yea lots of coolant must be leaking, cause theres no other explanation as ot where its going...
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