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99.alero over heating chanced out thermostat samethink when you say raid cap do you mean the one on the sruge tank or is there one on the raid that i cant see have on water in oil and dose not seem to be putting it out tail pipe any help thanks
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Where is the gallon of 50/50 going if no leaks and apparently not into the oil? Is it going out the exhaust which would be a bad Head gasket failure? So Some boil over due to overheat? Take the coolant tank cap off then start the car and see if bubbles, maybe steam eventually. If bubbles, they are probably the leaking combustion gases leaking through the Head gasket. Sometimes, retorque of the head bolts will slow the leak down. Otherwise need gasket replacement and possible head mill if it has "warped" or Junkyard heads that are good. You can confirm head gasket leak and location by a leak down test. You may be able to borrow tools from some of the auto parts stores. Have you used "leak stop" in the radiator? Sometimes that will block radiator cooling channels and cause overheating. Hopefully, that is the issue and a radiator replacement the fix. Could be a bad water pump, but if you get heat that is probably not the problem. I did that to a Chrysler many years ago and wife's car! Hope this helps.
Could be a thermostat or possibly a bad radiator cap....both are very cheap and easy to replace. How to Change the Thermostat in Oldsmobile Alero eHow This tells you step by step how to replace the Tstat. Good luck
You may have a physical obstruction between the radiator and the heater cool. This could be a kinked hose, a vapor lock, or a stuck thermo. While the car is cool, take off the radiator cap, and then let idle up to temperature and look to see if water is moving through the radiator. If no water is flowing, definitely start by replacing the thermostat and then go from there.
REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP.IF CAR OVER HEATING WHILE IN MOTION.MORE LIKELY ITS THE THERMOSTAT,LOW COOLANT IN RADIATOR OR COOLANT SYSTEM,BAD WATER PUMP,WATER PUMP WEEP HOLE IS LEAKING, WATER PUMP NEEDS REPLACING.CHECK ENGINE OIL,IF OIL LOOKS LIKE MILK SHAKE YOU HAVE LEAKING HEAD GASKET.IF CAR IN PARK AND OVER HEATS WHILE IN A LONG TRAFFIC LINE OR.BANK DRIVE THROUGH COOLANT FAN NOT TURNING ON, BECAUSE THE ENGINE COOLANT TEMPERATURE SENSOR FAULTY.CODE SCAN CAR FOR FAULTY COOLANT FAN RELAY OR FAULTY PCM. CHECK COOLANT FAN FUSE, AND HOT WIRE THE COOLANT FAN TO MAKE SURE ITS WORKING.IF COOLANT FAN DONT WORK WHEN HOT WIRED. COOLANT FAN NEEDS REPLACING. REPLACE BOTH RADIATOR HOSES, REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP.BUY NEW COOLANT ADD 50/50 WATER AND COOLANT.IF ENGINE OIL HAS ANTIFREEZE IN IT.REPLACE ENGINE OIL AND OIL FILTER TO KEEP FROM LOCKING UP THE ENGINE.GET CAR FIX.DONT KEEP DRIVING IF IT KEEP OVER HEATING,ENGINE DAMAGE WILL OCCUR.I HOPE INFORMATION I GAVE YOU WILL FIX PROBLEM.PROBLEM COULD BE LEAKING RADIATOR HOSES BUT CHANGE THERMOSTAT THATS FIRST THING I WOULD CHANGE BECAUSE IF IT CLOSED, ENGINE WILL OVER HEAT AND CRACK CYLINDER HEAD OR CRACK PISTON, COOLANT NEED TO CIRCULATE THROUGH THE ENGINE TO TAKE AWAY THE HEAT FROM ENGINE.
THERMOSTAT STUCK CLOSE.REMOVE EXHAUST MANIFOLD HEAT SHIELD.YOU WILL THERMOSTAT HOUSING WITH COOLANT INLET PIPE GOING TO HOUSING.THERMOSTAT IS IN THE HOUSING.
TAKE RADIATOR CAP OFF WITH ENGINE COLD AND CHECK WATER ..MAKE SURE RADIATOR NOT BLOCKED,,PLASTIC BAG ETC. THIS SOUNDS LIKE LOW WATER OR RADIATOR ..STOPPED UP INSIDE ..IF YOU HAVE GOOD HEAT IT'S FULL OF WATER. REPLACE T STAT B4 RADIATOR..IT'S CHEAPER. ALSO CHECK FOR RADIATOR COOLING FAN OPPERATION..I,M RULING OUT THE WATER PUMP.
well, usually in this case, if your coolant resovior is full and you are still holding psi in your system, it is a bad thermostat. what the thermostat does is when the engine block heats up, the coils of the thermostat expand and let coolant through to cool the engine block. so what might be happening is your thermostat is bad, and not letting coolant through, which will cause your motor to over heat.
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