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Old 07-22-2007, 07:19 PM   #1
Mattie2120
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Join Date: Jul 2007
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Mazda B2600 G6 overheating help please

I have purchased a 1992 mazda bravo 4WD. Since purchasing I have had constant overheating problems. Cylinder head has been replaced twice ( 2 x different heads), block has been replaced, cooling system has been flush repeatedly, thermostate has been replaced, it still overheats even with the thermostate removed. Radiator has been service twice, thermo fan clutch has been replaced. There are no leaks and no water loss. The bottom radiator hose is slightly cooler than the top, so appears as though the water is cooling.Has a new water pump, flow appears normal. The water is circulating and there does not appear to be any blockages. I am going to start bypassing things such as oil cooler and heater core at a last ditch effort, then maybe remove the air cond to try and get some more air flow through the radiator other than that I am at a loss after 10 years as a mechanic I have really lost it with this one Iam open to anyone with any ideas or same type of problems.
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