car wont warm up! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 12-09-2005, 12:47 PM   #1
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Default car wont warm up!

I've replaced the thermostat already. This thing runs COLD. Never gets remotely warm. If you let it idle for a long time it gets lukewarm. Is this a common problem?

92 SE with 85k miles or so.
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Old 12-09-2005, 12:52 PM   #2
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im wondering if you got all the air out of the system when you replaced the thermostat, or the new thermo is bad....BillBoost knows all about that
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Old 12-09-2005, 01:04 PM   #3
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When you installed the new thermo stat...did you open the bleed screw while filling, then close it..start car and run w/the bleeder open until all the air was out?

Then you close the bleeder...drive the car 1/2 hour or so and check the bleeder again..
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Old 12-09-2005, 01:19 PM   #4
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Quote:
Originally Posted by BillBoost37
When you installed the new thermo stat...did you open the bleed screw while filling, then close it..start car and run w/the bleeder open until all the air was out?

Then you close the bleeder...drive the car 1/2 hour or so and check the bleeder again..
what about the hose tee by the heater core would that be a problem also if it was leaking?
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Old 12-09-2005, 01:19 PM   #5
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jus realized no cause he would have a leak on the ground
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Old 12-09-2005, 01:28 PM   #6
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1. Is your heat warm?
2. what does your guage read at?
3. What are you running for a thermostat?
4. Is your blower motor or cooling fans running constantly?
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Old 12-09-2005, 01:40 PM   #7
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Quote:
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jus realized no cause he would have a leak on the ground
And being a bonneville there is no T
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Old 12-09-2005, 01:41 PM   #8
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Quote:
Originally Posted by BillBoost37
Quote:
Originally Posted by Kennginn
jus realized no cause he would have a leak on the ground
And being a bonneville there is no T
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Old 12-09-2005, 11:01 PM   #9
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I had the same thing happen, the T-stat was bad out of the box. Took it back, got another one and the problem was fixed.
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