Question about 2000 Mazda MPV

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I have a mazda mpv, 2000 ES. The engine is overheating, and the heater is blowing out cold air. Replaced the thermostat, and there are no visible leaks, aside from the overflow draining through the engine when it overheats. I think ive ruled out the radiator and water pump. What else can I look at?

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  • vlada03 May 11, 2010

    Is there coolant in the oil? Also check for leak in the pipes located inside REAR passenger wheel well.

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Check your heater hoses that connect onto firewall metal hoses they connect via a plastic connector , on my 2000 mpv they were rubbish and broke into pieces when I touched them . They could be the cause of a blockage ( the outside of connectors were fine but where it slides into rubber heater hoses they were crumbled and looked and felt like cardboard

Posted on Nov 10, 2012

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Not a lot of help on this one,sounds like you have some blockage somewhere,faulty thermostat.

Posted on Dec 12, 2009

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