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Old 02-22-2004, 05:45 PM
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overheating problem

i have a pont lemans w/ 389, and is overheating. i have replaced the radiator and continued having overheating, i then took out the thermostat, still overheating, the only other thing i could think of is the pump, but its fairly new, any ideas. thanks guys.

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Old 02-22-2004, 05:50 PM
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check the sending unit and check and see if your water pump has any antifreeze out of the weep hole. or if its making a whining noise.
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Old 02-22-2004, 05:57 PM
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my temp gauge isnt hooked up, it overflows and you can hear gurgling noises
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Old 02-22-2004, 06:06 PM
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First order of business is to get a temp gauge hooked up that works. How about a little history? Did you replace the radiator because it was overheating or did you replace the radiator and then it started overheating? Technically without a gauge you don't know for sure exactly what it is doing. Do you use an overflow tank? Did you properly burp the system after working on it? So many questions?


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Old 02-22-2004, 06:08 PM
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have you recently done any motor work? (intake,heads)
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Old 02-22-2004, 06:20 PM
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how do i burp the system, no work was done on the motor, i replaced the radiator cause it basically blew apart at the upper tank
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Old 02-22-2004, 06:47 PM
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Quote:
Originally posted by armyaj33
how do i burp the system, no work was done on the motor, i replaced the radiator cause it basically blew apart at the upper tank
And you don't think you need a gauge immediately??? It's like a doctor diagnosing a heart condition without ever taking your blood pressure, pulse, etc.. Did you literally blow apart the radiator or did it rot out?




Ok I just noticed you probably accidentally started a new thread with a response about the radiator. Sounds like you said it failed from old age (rotted out maybe, bad core). Any time a cooling system is opened up the system needs to be 'burped' to remove any air pockets that may be trapped in the engine. I would think most repair manuals would go through this procedure. You may just be airbound, but like I said you are asking for doctors to diagnose a sick patient with no medical records.


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Old 02-22-2004, 06:48 PM
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First off, put the thermostat back in, then go over the system, how to burp the system is to make sure a overflow system is attached to the radiator right underneith the radiator cap into the resevour, this must be in place, otherwise it`ll overheat, also, did the car come with a air dam underneth the front end? make sure it`s there or it`ll overheat, make sure the radiator hoses aren`t collapsing check to see that there is a spring installed. and by all means get a temp gauge, it`s the life line to your engine.
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Old 03-04-2004, 07:58 PM
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its still overheating

i put a temp gauge on it and while it idled it got to 210 and i turned it off, i dont have a thermostat in it, any ideas?
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Old 03-05-2004, 04:31 PM
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still hot

once i killed the engine i checked the top radiator hose and it was still cold, i also felt the heater hose coming off the waterpump that is redirected to back of the block and it was also cold...does this mean my waterpump is bad?????
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