im gonna mix some after i flush it good. ill probably just replace tstat anyway. dont know if it has been replaced.
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09-01-2011
im gonna mix some after i flush it good. ill probably just replace tstat anyway. dont know if it has been replaced.
09-02-2011
alright fellas, today i took the tstat out (gonna test it in a minute), then flushed the system. obviously didnt get hot enough to boil, so when i get the new t stat ill see if it boils. hopefully the flush and new tstat fixes it.
09-02-2011
ive had times where heater cores were clogged and the best way to unclog it is to have water flow both ways. flushing water by just spraying water through where the tstat is wont do that and what you have to do is take the hoses off the neck of the heater core very carefully or just take the hoses off the alternator bracket. dont blast water, just spray it to get a flow coming and to where the same amount of pressure comes out of both sides. this message is probably too late lol but at least ull know for the future.
09-02-2011
im getting heat so i dont think its plugged, but ill probably do what you said anyway. i just stuck the hose in the radiator and let the car run. took the upper hose off and let it flow throught the system for a few minutes.
09-02-2011
If you pull the upper radiator hose then the motor can't suck up the water out of the radiator....or am i missing something?
09-02-2011
the water pump sucks water from lower radiator hose, goes throught the system and out the upper radiator hose.
09-02-2011
Pretty sure it's vise versa. Through the upper rad hose, to the tstat then to the block and rest of the system.
09-02-2011
why was it come out of the upper radiator hose then? not arguing just dont get it.
09-02-2011
when the tstat is closed it sends coolant back to the pump. when the tstat is open it goes back to the radiator to cool off. if the radiator isnt full then the pump would just suck in air if it drew coolant from top rad hose. but the pump draws coolant from the lower rad hose.
09-02-2011
I'm just saying im like 99% sure it flows from the radiator through the upper hose and then to the tstat. It doesn't make sense for the cooling system to fight gravity.
09-03-2011
jpmiller, you are correct on the route of the water in the cooling system,
Hot water flows into the TOP of radiator after the thermostat opens, and the cooler water flow out the bottom hose to the water pump.
09-03-2011
update: Today i installed the new tstat (195). let her get up to just over 210, then the tstat opened and cooled down. second time i bleed it just as the tstat opened.
After i bleed it, i shut the car off. hear it bubbling, not boiling. then a few seconds later water came out of the hole by the cap on the resivour. continued to hear bubbleing so i pulled the cap on the resivour and pulled the tube out.
the radiator was blowing hot air throught the tube into the resivour causeing it to bubble. is this normal?
09-03-2011
That is normal, as the water heat up it expands, it needs a place to go, that is what the overflow bottle is for. When it cools, water will be draw back into the radiator provided the water level in the overflow is higher than the hose going into the overflow bottle.
09-04-2011
today i was informed that the bubbling/boiling water can be caused by a bad headgasket. i think a bad lim gasket can cause this to. how can i check the gaskets?
p.s. there is no water in the oil. and i know the gaskets can be bad, but not bad enough to leak into the oil
09-04-2011
there is a co tester that you put in place of the temp sensor i belive, and it will tell you if there is co in the coolant, as there should be no gasses in the coolant. but if it reads any co then you have a blown head gasket.
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