Mazda Protege
Toyota Camry
Timing Belts and Chains

What do you do if you had the cracked radiator the thermostat water pump and timing belt replaced on a 92 Protege but still do not have much heat?

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2011-09-13 10:21:20
2011-09-13 10:21:20

One possibility is that the thermostat was replaced with one that opens at a higher temp than the old one. I would suggest driving with cardboard in front of your radiator, cause everybody's doing it, but that's how I cracked my radiator, and sent my cars cooling system straight to hell, so do it at your own risk.

AnswerThermostat may be defective, is coolant level up? What is bled properly? Heater core may be partially plugged. I am assuming the the volume (force) of air coming at you is adequete and the temperature is just the problem. How often did you flush the cooling system while you owned it? AnswerSounds like an air lock in the cooling system. Rebleed the system ie. remove the rad cap and let the car idle for a half hour or so. You may see the temp gauge move around a bit, but just make sure it doesn't sky rocket and you will be fine. As well, check around the hose inlets on the engine side for bleeder screws. If any are found open them as they are vital for proper bleeding.Good luck. AnswerThe genuine Mazda thermostat for a 92 protege has a small valve and the normal large valve. It is made to keep the engine quite hot. Third party thermostats often make mazdas run cooler and provide less heat.
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A cracked radiator can not be fixed. A cracked radiator needs to be replaced . A mechanic can replace one in a few hours.

you might want to check for a blown head gasket or a cracked head or block. espically if it loosing water out of the radiator with out leaking on the ground.

The radiator hose is cracked near the clamp; or the clamp is loose; or the thermostat housing gasket is worn.

blown head gasket or even worse, a cracked head or two.. try filling radiator with fluid, then start it up. there should be a pressure relief valve on top of where you replaced the thermostat. crack it till it bleeds all air off, then there should be only fluid. gradually fill your radiator with fluid during this process. if water is spitting out of the fill hole, it's a cracked head

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A Nissan Frontier may be overheating because the radiator is cracked. A thermostat failure can also cause it to overheat.

Had the same problem on my 1991 accord. Replace the thermostat, gasket, and radiator cap. Also, get a gallon of coolant if your current coolant has been in there for more than three years. The thermostat is in the engine block. Simply drain coolant, remove the radiator hose from the engine - the hose that goes from the bottom of the radiator into the engine. There may also be a small spount that bolts into the block, remove the bolts and there is the old thermostat.

You probably have a cracked head gasket!!!!! You probably have a cracked head gasket!!!!! Check coolant to see if there is oil in the coolant this will prove it or if you have foam in coolant overflow check coolant resevior cap

Don't know what kind of vehicle you have but a thermostat housing and the clutch are not connected in any way. Need more info.

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If you replaced some of theses already ignore and go down the line # Not enough coolant # Water pump drivebelt defective or out of adjustment # Radiator core blocked or grille restricted # Thermostat faulty # Electric cooling fans blades broken or cracked # Radiator cap not maintaining proper pressure # Ignition timing incorrect

broken radiator hose, cracked radiator, thermostat gone bad (depending on where its located) or water pump

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