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Im at wits end here. 2003 tiburon I4 base model
Here is the problem, couple weeks ago my head gasket blew. when it blew it pressurized the block and blew the block heater out of the block. long story shot, got it fixed. but ever since my heater hasnt worked quite right.
i get lots of nice hot heat while driving down the road but when i stop at a stop sign or red light the heat goes from hot.....to warm.....to cool.... in about 15 secconds. the thermostat has been replaced so its not that. it was replaced about 2 days before the head gasket was replaced tho. (my dealership refused to admit it was the head gasket) the car heats up to normal temp while driving and does not over heat. it does on occation get a tiny bit cooler than normal. normally it stay's about 1mm away from the 1/2 mark but once in a while it will go to about 3/8. reguardless i think i've got some kind of nasty coolant bubble in the heater vent but i cant get it out. i tried running the car without the rad cap on but it didnt do anything at all. if im at a red light and its cold and i rev the motor to about 2-3000 rpm it gets warm again.
HELP!!!!! WTF is going on with my danm coolant system?????
Here is the problem, couple weeks ago my head gasket blew. when it blew it pressurized the block and blew the block heater out of the block. long story shot, got it fixed. but ever since my heater hasnt worked quite right.
i get lots of nice hot heat while driving down the road but when i stop at a stop sign or red light the heat goes from hot.....to warm.....to cool.... in about 15 secconds. the thermostat has been replaced so its not that. it was replaced about 2 days before the head gasket was replaced tho. (my dealership refused to admit it was the head gasket) the car heats up to normal temp while driving and does not over heat. it does on occation get a tiny bit cooler than normal. normally it stay's about 1mm away from the 1/2 mark but once in a while it will go to about 3/8. reguardless i think i've got some kind of nasty coolant bubble in the heater vent but i cant get it out. i tried running the car without the rad cap on but it didnt do anything at all. if im at a red light and its cold and i rev the motor to about 2-3000 rpm it gets warm again.
HELP!!!!! WTF is going on with my danm coolant system?????