No heat all the sudden after doing some work today - Page 2 - 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 01-08-2007, 04:23 PM   #11
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Allright just went out and pulled the codes...I got a 40 code and a 152 code.


And the heat has returned all the sudden also...I turned the def. on and it started blowing warm air after a bit and turned the heat on and it works as befroe but the temp still blinks for a couple min but I did not clear the codes yet so I aasume that stop when I clear them.
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Old 01-08-2007, 04:48 PM   #12
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Now you see why I told you to check the codes.

Your airmix may be fine now that it'* been through a calibration or power-cycle procedure.

Go ahead and clear the codes, and your display SHOULD stop flashing the temperature IF the airmix actuator has recovered it'* home position.

You should be all set.
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Old 01-08-2007, 05:10 PM   #13
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Quote:
Originally Posted by willwren
You should be all set.
Personally.. I think he'* going to experience spotty conditions and it aiming for an airmix actuator. While the heat holds out..order one quick.

That'* my opinion though.
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Old 01-08-2007, 05:37 PM   #14
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Mine worked fine for quite some time between battery disconnects using the "if I ignore it, eventually it will go away" technique of troubleshooting the blinking ECC display. Methinks there is an airmix actuator replacement in your future, however. Might be several months even. Hopefully yours will hold out until the weather is more conducive to working on your car. In any case, don't be too shocked if it acts up on you sometime in the future - you know what to expect now!
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Old 01-08-2007, 05:50 PM   #15
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Quote:
Originally Posted by BillBoost37
Quote:
Originally Posted by willwren
You should be all set.
Personally.. I think he'* going to experience spotty conditions and it aiming for an airmix actuator. While the heat holds out..order one quick.

That'* my opinion though.
I agree and will do that as I still need to grab a *.C. belt tensioner and a oil pan and coolant sensor so thanks again and will a extra thanks for your patience with the help ...


Now which way is that performance / modding section..


Have a good night guys,I am off for a drive...and to clear the codes...
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Old 01-08-2007, 08:34 PM   #16
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I was thinking about your trunk deal. On the trunk lip is a switch (left side). Make sure it is in the OFF position. then your trunk switch on drivers door will work.
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Old 01-10-2007, 02:20 PM   #17
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Well even though I have cleared the codes the temp display continues to flash at every startup ...and if I do not turn the defroster on 1st the heater blows cold ...

:(
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Old 01-10-2007, 02:30 PM   #18
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Actuator is on order right?

What'* up with the trunk? (Travis..that switch didn't start until ?? 96)
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Old 01-10-2007, 02:41 PM   #19
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Quote:
Originally Posted by BillBoost37
Actuator is on order right?

What'* up with the trunk? (Travis..that switch didn't start until ?? 96)
trunk switch on door stopped? working, when I programmed the fob he got off of ebay, the trunk works. I said he should replace the door switch, then thought about the lockout switch
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Old 01-10-2007, 02:43 PM   #20
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I'd be on the trunk switch. One of the things I dislike about my S2 is that darn trunk switch. I don't remember the 95 and earlier having it.
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