put another 195 thermo in and see what happens... have u flushed coolant recently? or added coolant when it was really low?
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i havent flushed recently. i know that i do need a 180 thermostat, but as for the coolant when it first overheated the the resevior tank cap flew off and the coolant was shooting out. and i had to take some coolant out of there. but when i shut the car off you hear the coolant flowing thru all the tubes. that has gotten to be really loud. but the car has been really taken care of since i got it. ive pretty much flushed and replaced everything needed to date
I am hearing you say you cannot keep coolant "down" in the engine. After the coolant is filled up, you start the car, it is "warmed up" and you turn the heater on, does it blow hot air or just “luke warm” air? If it is “luke warm air”, I have had this problem with an older 3.8L 231. Let me know if this is the case (drove me nuts for about 11 months following, a complete engine rebuild). Four flushes and 3 thermostats later, had to replace the heads (yea after one year). The culprit turned out to be a "remain" water pump. The pump impeller was slipping and "fell" off of the back of the water pump and hit the ground, when I removed the water pump from the front of the engine. Yea, "the impeller separated from the pump body and rang like a bell when it hit the ground". All that trouble just to save $11.00 off a new pump (lifetime). The loose impeller was moving just enough water to look like it was pumping. The heater (core) problem was also solved permanently with the water pump replacement. Sounds crazy but that’s why I asked about the Heater Air temp. That’s the only reason I asked. Good luck.
Last edited by rmcardle3; 07-09-2010 at 05:45 AM. Reason: Clarification
im not getting any warm air. my buddies know Grand Prixs like the back of there hands and he said its down to waterpump or head gasket. because my head gaskets leaking because my lights always coming on for low cooolant and not really much heat in the winter
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