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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 06-16-2005, 05:32 PM   #1
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Default Coolant temp sender

As some of you may remember, I had a heck of a time swapping out the intake gaskets, and still had a residual coolant leak. I believe I have that resolved (wrong bolt). I had another issue develop while working on it.

While reinserting all of the connectors, we broke the coolant temp sender on the back side of the engine (old, dry plastic). I replaced that and tested the car. During first idle, the temp started going up fine, once it got to about 180-200 (180 t-stat), seemed like the fans kicked in, and the gauge went to zero, and never moved. I havent' gotten a chance to go out and reinsert it yet. Thought I would solicit suggestions before doing to. I noticed that it only has one wire going into the connector, and didn't know if that was normal. Any help would be appreciated.

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Old 06-16-2005, 07:58 PM   #2
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In 95 the sensor under the TB has two wires. I never got around to the gauge sender which is the one you are speaking of....although I do know in many cases it was a single wire on other gm cars.
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