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2001 BMW 740iL

Question: Radiator Over Heating Problems

Question

jrhufana, Renton, WA, September 24, 2009, 22:41
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 Rookie

I have replaced my water pump 2 months ago and overheating has come back. I replaced the Thermostat and still same results. I can squeez the Radiator hose on the Water pump side and water spills out from the Cap. Also, very hot on the Water Pump hose side and very cool on the Thermostat Hose side. Is the Water pump not working right again, JR

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, September 25, 2009, 10:14
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     Master

    JR I will send you an article I wrote about cooling systems that may help. I think your car may have an auxiliary water pump as well, ensure your cooling fans are working correctly and perhaps check for a mildly blown head gasket or restricted radiator. I will send the article to your email address.

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  • Answer #2

    Visitor, February 01, 2011, 13:40

    check the fan, check the pressure if do this you should find a leak,heater core,heater valve,leaking hose,worse case head gasket>

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