LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Overheating

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Old Oct 21, 2003 | 07:06 PM
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1995ta's Avatar
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From: Lenexa, KS
Overheating

My low coolant light is back on after I replaced the thermostat yesterday, I now notice the car is back to over heating, but now I see coolant laying underneath my car. I've added coolant and water to it, yet it continues to overheat. I try to bleed the system off, but now nothing comes out of either bleeder screws. What the hell is going on?!?!?!
Old Oct 21, 2003 | 07:44 PM
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red 95 z28 lt1's Avatar
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do your coolant fans come on? try looking closer to see where the leak is coming from. when the motor is warm do you see coolant flowing when the rad cap is off? also when the bleader screws are open and nothing is comming out, it may be air just wait and see if antifreeze is comming out. do you have a bad head gasket? is there water in the oil? how bout white smoke from the exhaust when the motor is warm. it could be a number of things but check these first
Old Oct 21, 2003 | 07:49 PM
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I do have smoke from the exhaust, but only at WOT. I recently did a TB Bypass, and thats when the overheating problems occured, the hose I re-routed the coolant with is kinked, could this be the problem?
Old Oct 23, 2003 | 07:00 AM
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it is very possible although i myself have not done that mod yet i dont know where the hoses route too exactley. fix the hose bleed the system and take it from there
Old Oct 23, 2003 | 07:05 AM
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I never rerouted my lines, I just took them out so you need to see where this coolant is leaking from, if it's near the firewall you have a bad heatercore, sometimes it leaks outside the compartment instead of in, run the car on jacks but be careful obviously, and see where it's coming from.
Old Oct 23, 2003 | 07:27 AM
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Hey grygst76 did you ever mail the check for the returned part. Sent you an email and no reply.
Old Oct 23, 2003 | 07:39 AM
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Originally posted by DJ_951
Hey grygst76 did you ever mail the check for the returned part. Sent you an email and no reply.
My email is down, PM me
Old Oct 23, 2003 | 08:02 AM
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PM sent
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