Question about Mazda 323
Ive change the radiator cap that was broken and tried getting air pocket out.
Is the engine showing any signs via the dash that it is overheating? Dash lights? Engine temp gauge pegging out on the red overheat line? If so, then you will have to go further and see if your thermostat is stuck closed, thus needing to replace it. Depending on the age and coolant change schedule (or lack of) you might have to have the radiator professionally cleaned at a radiator shop.
Does your heater in the cabin, heat up after the car has been running? Depending on the climate and elevation where you live, make sure you are running the right mix of antifreeze and water. Any auto parts shop should be able to tell you for your make and model (and you can find this online) what mix you should be running.
Posted on Nov 25, 2014
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Posted on Jan 02, 2017
1. Do you have a cooling fan system for your car, if you have , please check it, sometimes due to the wire overheated short problem and fan doesn’t work and cause the engine over heat.
2. If the head gasket leaking, you can check you oil steak see if there is white steam oil bubbling ,if the oil has steam and the radiator has oil mixed with coolant , that means the head gasket leaking.
Posted on Jun 24, 2008
You may need to ask AAA to put a radiator pressure tester on the resevoir bottle and pump it up to operating pressure(Pressure cap rating) and see if it over pressurises while it is running at operating temp,rev engine up and down and watch what the testers pressure readings do,it should move up and down in sync with the water pump.If the pressure keeps building i would have to believe that combustion chamber gases are over pressurising your cooling system.Also test the pressure cap is functioning within factory specs.
Posted on Oct 30, 2008
REMOVE RAD CAP AND RUN ENGINE AT 3000RPM WITH ALL HEATERS ON SOUNDS LIKE AIR LOCK, ALSO CHECK IF HOSES ARE HOT
Posted on Mar 30, 2009
IF THE ENGINE OVERHEATED, THEN THIS COULD BE A SERIOUS PROBLEM. IF THE COOLANT CONTINUES TO SPRAY OUT OF THE RESERVOIR WHILE THE CAR IS RUNNING, EVEN IF IT IS COLD, THEN YOU MAY HAVE A BLOWN HEAD GASKET. IF IT DOES NOT SPRAY OUT, THEN IT MAY HAVE JUST BEEN AN OVERHEATED CONDITION CAUSED BY A BAD TEMPERATURE SENSOR OR A BAD COOLONG FAN RELAY/FUSE. SEE IF THE FAN RUNS BY LETTING THE CAR IDLE AFTER IT HAS WARMED UP. IF IT DOESN'T RUN AND THE FUSE AND RELAY CHECK OUT. THEN PERHAPS THE FAN ITSELF HAS FAILED. OR THE TEMPERATURE SENSOR DID NOT TELL THE FAN TO COME ON. HOPE THIS HELPS. PLEASE KEEP ME POSTED. THANKS FOR AN HONEST RATING AND FOR USING FIX-YA. GOOD LUCK. P.S. IF YOU NEED FURTHER ASSISTANCE THEN TRY A LIVE CHAT TO ANSWER SOME QUESTIONS YOU MAY HAVE.
Posted on May 23, 2009
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Physically look in the radiator under the cap when cool, for coolant level, and check the valve in the cap for sticking. If air is present in the radiator it can't get out, and more coolant can't get in,(from the overflow). Either clean the cap or replace it and check that it is the CORRECT cap.
If radiator is low on coolant fill it to overflowing, replace cap, and check that coolant overflow is filled to the COLD line or mark. The overflow is normally where you would add coolant.
Radiator fins dirty, clean with a strong stream of water, not high pressure water.
Radiator clogged, try backflushing it, or replace.
Thermostat stuck open or shut, replace it.
Water pump worn out, can no longer move enough coolant, replace it.
Fan shroud broken or missing....
Electric Fan(s) not working, Check the fan, relay, fuse and engine temperature sensor's.
Belt driven fan, belt slipping, fan clutch is bad, fan blades have flattened out.
Air dam under front bumper is gone, loose, or broken. It actually has a purpose other than scraping on the driveway or curbs. It forces air up into and thru the condenser and radiator. If it's loose, airflow can actually push it out of place making it useless or blocking the airflow. Along with that, there may also be a plastic piece attached to the bottom of, and wraps up behind the bumper. If it
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