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Hey i have a 1999 mazda bravo 4x4 turbo diesel. The heater doesnt work. water still flows through pipes and hoses but doesnt get hot. can someone please help me rectify this problem. Thanks adam

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The water isn't flowing through the hose otherwise the hoses would be hot.So that tells me that the heater core is plugged up. I would take the hoses off from the motor. Take a garden hose and try to flush out the heater core.

I hope that this helps! If so please click YES! Thanks!!!

Posted on Sep 01, 2010

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try some comma's?
my wild guess, is you are trying to fix a dead cab heater, right?
and if so, can be caused by 5 things wrong. total.
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one pipe hot , means ,? core pipe 1 is hot, and other is dead cold?
this flow blockage , bingo !

if pipe 1 is 180F and other is 120f this is normal the heater is heating air in the cab and is dropping due to this heat exchange. (normal)
so why not do the 2 year full flush service now. (skipped i bet)
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remove the 2 hoses on engine side, never core side (easy damage)
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Well to start with the white smoke Isent smoke its water and after going through the engine it turns into Steam and thats what you see..
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