1994 Camaro - Gauge overhearing
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Re: 1994 Camaro - Gauge overhearing
I'm puzzled - appeared you looked at the first link in my post #2, Shoebox's guide to testing coolant temperature sensors. You responded you were going to check for the required 12 volts.
Teflon paste or tape is not conductive. Normally there is still some metal-to-metal contact between the male and female threads. But it may be affecting the circuit by increasing resistance on the ground side. Not a common problem, but worth checking. Connector off the sensor, measure the resistance between the sensor's single (positive) pin and the aluminum head (ground). Then check using the iron block as the ground. See if the resistance is close to the value shown in Shoebox’s guide, based on estimated coolant temp. Should not be necessary to excessively torque, and possibly damage the sensor.
What brand did you use as the two replacements you mentioned in your first post?
I used Teflon sealant (more of a paste) on the current sensor (aftermarket one). I’ve been turning/cranking it in pretty good but people are saying don’t crank it?
new Ac Delco sensor is on its way still just need to go get it.
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Posts: 365
Re: 1994 Camaro - Gauge overhearing
I'm puzzled - appeared you looked at the first link in my post #2, Shoebox's guide to testing coolant temperature sensors. You responded you were going to check for the required 12 volts.
Teflon paste or tape is not conductive. Normally there is still some metal-to-metal contact between the male and female threads. But it may be affecting the circuit by increasing resistance on the ground side. Not a common problem, but worth checking. Connector off the sensor, measure the resistance between the sensor's single (positive) pin and the aluminum head (ground). Then check using the iron block as the ground. See if the resistance is close to the value shown in Shoebox’s guide, based on estimated coolant temp. Should not be necessary to excessively torque, and possibly damage the sensor.
I will look into this
What brand did you use as the two replacements you mentioned in your first post?
Teflon paste or tape is not conductive. Normally there is still some metal-to-metal contact between the male and female threads. But it may be affecting the circuit by increasing resistance on the ground side. Not a common problem, but worth checking. Connector off the sensor, measure the resistance between the sensor's single (positive) pin and the aluminum head (ground). Then check using the iron block as the ground. See if the resistance is close to the value shown in Shoebox’s guide, based on estimated coolant temp. Should not be necessary to excessively torque, and possibly damage the sensor.
I will look into this
What brand did you use as the two replacements you mentioned in your first post?
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From: Wooster, Ohio
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