Last post on Sep 02, 2012 at 11:01 PM
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Chevrolet Cavalier, Sedan
#39 of 42 2003 Chevy Cavalier Over heating
Jun 26, 2012 (7:24 am)
I added coolant to my 03 Cavalier and my overheating light is on again? Not sure what to go to next? Thermostat or how to see why the light is on and the temperature is going up again on the gauge?Please help ASAP as I have doctors appointments and need the car.
#40 of 42 Re: 2003 Chevy Cavalier Over heating [grlztoy49]
Aug 14, 2012 (3:41 pm)
Put car up on ramp or jack up enough to put 5 gallon bucket underneath to collect most of the coolant as you remove the thermostat housing. Take the thermostat to cook stove, put in sauce pan fill higher than thermostat. bring to medium heat and slowly watching the candy thermometer slowly rise to 180 degree and see if the thermostat start to open. if it get to 185 plus degree and still doesn't open than it's a bad thermostat. Now remember to take it to parts store and get the same height and size. Some cheaper stat will be shorter in height causing less coolant to flow leading to hotter engine. Taller stat lead more coolant flow and less heat buildup in block and head. Put stat back in and if it still overheat-next check the water pump. I bought a use cavalier from lady who use straight tap water (RUSTED IN EXPANSION TANK) (no coolant/distill water mixture) lead to water pump fins to completely disappear and then no water flow AT ALL! LEADING TO DESTROYED HEAD GASKET AND WARP HEAD. USE DEXCOOL (ORANGE COOLANT) WITH 50/50 DISTILL WATER. NO--NO--NO---> TAP WATER--THEY HAVE MINERAL IN THEM THAT WILL DESTROY MOST OF YOUR YOUR ENGINE COMPONENT LEADING TO EARLY ENGINE FAILURE. CHEAPER TO BUY RIGHT COOLANT/DISTILL WATER THAN EXPENSIVE ENGINE OVERHAUL!!!
#41 of 42 coolant leaking again
Sep 02, 2012 (8:54 pm)
Replaced water pump and thermastat on 2002 cavalier about five months ago. Everything was fine untill about a week ago i noticed a antifreeze smell from the engine and now the coolant seems to slowly leak from somewhere again because iv had to add coolant twice in one week. Its not the head gasket and im not sure if its the water pump again. Theres a small amount of coolant on the ground about the same area it was when the water pump was leaking before. Could the pump have gone bad again already or could it be something else? Its hard to pinpoint do to its been raining for the last few days. Anyone got any ideas?
#42 of 42 Re: coolant leaking again [budjr]
Sep 02, 2012 (11:01 pm)
Did you use High temp gasket sealer (red/orange) color? take off water pump and use the gasket sealer with the gasket. Coat the pump (clean surface/no oil or residue, clean it with denature alcohol) ) side thin smooth with clean finger, add gasket to it, clean engine block where the water pump goes and apply thin film on it and then attach water pump. I usually don't use must the gasket by itself, I like to use the sealer with the gasket for LONG maintenance free job. Should last another 100,00 miles. Is your gauge more than halfway? 180 degree-190 degree is normal. You should not have to remove anything else to get to water pump usually took me 25 min to complete the job! Wait 6 hour before adding coolant. Should not have to torque it anymore than 15-20 pound with torque wrench.