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#1
01-19-2008, 11:31 AM
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95 LHS overheating and no heat inside now
Ok I was having problems with getting heat from my 95 LHS so after some reading here I replaced the Thermostat and it didn't help so I had the heater core flushed. After the flush I has great heat and everything was working good. I went away for 2 weeks and the car wasn't used at all while I was gone. I get home and take the car into town so the wife could go shopping and I stayed in the car (with it running) while I waited for her (1 1/5 hours). Then I noticed the temp gauge was up to the last line and I could smell the coolant being released at the tank. I turned off the car for a while but when I start it and try to go home it keep overheating. I had lots of heat inside the car also. Anyway I left it for the night and the next day I started it and it took a long time for it to overheat but it did and now I have no heat inside the car either. I checked the hoses going into the heater core and one is hot, the other is cool. One more thing I noticed is the fans are not coming on either at the rad.
Could the heater core cause the overheating or is there something else I should look for before going there? Ok I am pretty sure its the water pump now but does anyone know why the fans dont come on, maybe its the level of coolant being to loe to sence it? I found something else out. If I rev the car up I get heat also but as soon as I lay off the gas the heat goes away. Sounds like it might be the water pump maybe? Thanks Last edited by newfie4ever; 01-19-2008 at 02:01 PM. 
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#2
01-19-2008, 08:10 PM
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Re: 95 LHS overheating and no heat inside now
Sounds like your cooling system needs purged of air, there is a bleeder on the thermostat housing.
Also if the radiator fans are not working you need to find out why. (Open circuit, Fan motors are dead, bad relays, or fuse blown)
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#3
01-24-2008, 06:30 PM
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Re: 95 LHS overheating and no heat inside now
You may have a head gasket problem, and hot air is being pushed into the coolant system my LHS did the same where i would hit the gas and go and then the temp gauge goes up, my mechanic said it is the head gasket beginning to , its gonna cost 1900 to fix.
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#4
01-24-2008, 08:59 PM
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Re: 95 LHS overheating and no heat inside now
I purged the air from the system and it seems good now. I will know in a couples day of running it.
Thanks for the help.
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