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Disappearing coolant, common FAQ faults not apparent 700

posted by  oilydad on  Sat Nov 29 23:35 CST 2003
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Hi. I had a similar leak on my Volvo 940 GLE Turbo a while ago.
It was exactly as you are finding.It was driving me MAD!!!!!
In the end it turned out to be a leak from the junction where the solid red heater pipe goes into the rear of the water pump. The pipe has a shoulder on it which goes into the pump with a rubber sealing washer. The pipe had corroded away, and there was no shoulder on it anymore.
It took ages to find this leak because of course when the engine was running the water was evaporating away in this hot area, so there was no visible leak. When it cooled there was no pressure so no leak!!
We put in some Wynns radiator sealant and it did the trick for about 4000 miles until eventually the leak got worse, and that's when I found it.

Hope this MIGHT help.


KS/oilydad/ Torquay/UK.






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New Disappearing coolant, common FAQ faults not apparent [700]
posted by  Rtilghman  on Sat Nov 29 18:49 CST 2003 >


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