Question about Mazda MPV

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The Mazda dealer replaced the PCV hose and now the heat doesn't work. When I called them to see if they may have done something to contribute to the heat not working, naturally they said no, and that I should check the thermostat. I need to know how to replace the thermostat.

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With engine hot,try undoing the topmost clip for the heater hose to see if you have any trapped air(airlock),turn off the a/c and put heater on full heat/lowfan.if no improvement THEN start with thermostat.(a DECENT garage would have asked you to bring it in and SHOWN YOU what they did and IF a fault was seen not to be their fault THEN charged you for the work.that way,you would have been PLEASED with thier attitude..........)

Posted on Nov 04, 2010

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