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My Engine leaks coolant. I ran through the troubleshoot in the manual for a 1989 Dx 3dr 1.5l. I squeezed the hose and pressure was maintained, what could be the problem at this point?

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  • yadayada
    yadayada May 11, 2010

    Let me get this straight, you see no external leaks i.e. coolant under the cat?



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Check your oil for water and see if your exhaust smokes white, if not check the water pump weep hole and look for anything obvious, you can also buy a radiator pressure tester you put in place of the cap and pump air into the system leave this on for an hour or so until you can find the leak....would be a head gasket if you have water in the oil, or white sweet smelling smoke out the tailpipe please rate -jeff

Posted on Sep 05, 2008


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this is normal only if the coolant reservoir has been overfilled recently,there should be a "max" and "min" level on the side of the reservoir and has to be kept in between these marks.
my concern is that if it needs to be topped up often that indicates a leak either externally or internally,
any signs of fluids on the ground,or a sweet smell in the vehicle?under the hood is there any signs of a white or pinkish powdery substance around hoses,engine components,take a good visual looking for these telltale signs.
remove the reservoir cap,top up fluid to the max if cold,min if hot,start the engine,can you see if there are bubbles forming?if so,internal engine leak,head gasket,cracked head,block ect..
i like to perform a coolant pressure test,its a pump that is connected to the reservoir,the pump is then manually pressurizing the cooling system to a max of 12-15 lbs and should hold and maintain this pressure for about 10 min.if it drops below this within 10 min,there is a leak,re pressurize the system to 12-15 lbs(as indicated on reservoir cap) and now start looking for the source of the leak.
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