Want to change my coolant temp sensors?! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 09-20-2005, 04:25 PM   #1
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Default Want to change my coolant temp sensors?!

Hello bonnie family,

Question regarding cool temp sensors. How is easy, or how hard is it to change these sensors with general mechanic knowledge. Will it require a skilled mechanic, or can they be change by novices. . There are at least 2 sensors. One for the gauge, and one for the ECM. The locations for these sensors are; one under the throttle body, and where is the other sensor located?

Please as alway'* I look forward to the input. I would like to try and do this myself, providing it'* not that difficult. If anyone has pics of where these jokers are located would be greatly appreciated. .
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Old 09-20-2005, 04:57 PM   #2
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My understanding is yes on the TB and maybe on the backside of the intake manifold behind throttle body on the other one. I'm not 100% (or could be giving you the wrong year info )

Easy to change if you can get to it. Darin off a little coolant Release connector... remove with socket..reinstall...reconnect connector...top off and burp coolant.
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Old 09-20-2005, 06:32 PM   #3
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Yes there is one under the TB, the other one if I am not mistaken is on the passenger side of the engine close to the oil filter adapter, on the block, probably easier to get to from under it. I figured that is what it was when I was changing my engine since the oil pressure has the sensor mounted on the adapter for the filter. Plus it was a 1 wire plug leading to it.
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Old 09-20-2005, 08:59 PM   #4
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It will have black and yellow wires going to it, on the intake somewear.
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