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Coolant Leak Source 200 1990

posted by  JoeJump on  Fri Jan 6 03:41 CST 2006
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last visit: Thu May 30 10:20 CST 2013
[RELATED]

My 240 wagon has recently developed a small coolant leak, but I have not been able to pinpoint the source. It seems to be originating from the front of the engine, below the water pump. I kind of doubt it's the water pump shaft seal leaking because it looks like it was replaced with the last cam belt change, the inside of the pulley seems dry, and probing my finger on the underside of the pump revealed no dampness. The top of the pump body is dry and it doesn't look like the seal between the pump and the head is leaking. The steel tube that feeds the heater seems dry too. Perhaps it's the pump-to-block gasket, but I was not able to adequatly evaluate this possibility due to limited manual & visual access. I plan on picking up a pump and gaskets today and disassembling this weekend to find the source. Any other suggestions for possible sources would be appreciated.

Thanks for the help!
--
Joe in St Louis






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