Unknown sensor

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Nov 6, 2020 | 03:44 PM

Carson75

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5th Gear

Joined: Nov 2020

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Unknown sensor

Not sure what this sensor is between the exhaust ports of cylinders 1 & 3. The little tab broke off to connect the wire. If anyone knows what this is exactly I’d appreciate the help

Nov 6, 2020 | 04:22 PM

Lachymac1

Instructor

Joined: Jan 2020

Posts: 173

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Hard to tell from the photo on my mobile phone but from what you're describing it's the coolant temperature sender which goes into a bung in the head at that location.

Nov 6, 2020 | 04:27 PM

Duke94

Le Mans Master

Joined: Mar 2001

Posts: 6,640

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From: Ann Arbor Michigan

I agree, temp sender.

Nov 6, 2020 | 10:08 PM

Carson75

Thread Starter

5th Gear

Joined: Nov 2020

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Great thank you, that was a guess I had Becuase I don’t seem to have one installed near the thermostat

Nov 6, 2020 | 10:15 PM

Carson75

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5th Gear

Joined: Nov 2020

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Quote:

Originally Posted by Lachymac1

Hard to tell from the photo on my mobile phone but from what you're describing it's the coolant temperature sender which goes into a bung in the head at that location.

To clarify it’s the sensor I have circled

Nov 9, 2020 | 02:26 PM

aquaroscoe

Instructor

Joined: Oct 2004

Posts: 174

Likes: 10

From: Pleasanton Ca.

https://www.corvetteforum.com/forums...spark-tcs.html

Look up TCS temperature sensor

Oops just noticed that it is on the drivers side. definitely coolant sensor

Last edited by aquaroscoe; Nov 9, 2020 at 02:28 PM.

Nov 9, 2020 | 07:50 PM

C3 4ME

Le Mans Master

Joined: Oct 2005

Posts: 6,247

Likes: 471

From: Glen Allen, VA

That connector has definitely seen some heat, likely melted against the headers. You should look into replacing that as well as the sensor.

Nov 30, 2020 | 06:23 PM

Carson75

Thread Starter

5th Gear

Joined: Nov 2020

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Quote:

Originally Posted by C3 4ME

That connector has definitely seen some heat, likely melted against the headers. You should look into replacing that as well as the sensor.

yeah she got a little toasty. I was gonna add a new crimp fitting for the spade connector. Thank you for the help

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Nov 30, 2020 | 06:24 PM

Carson75

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5th Gear

Joined: Nov 2020

Posts: 5

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Quote:

Originally Posted by aquaroscoe

https://www.corvetteforum.com/forums...spark-tcs.html

Look up TCS temperature sensor

Oops just noticed that it is on the drivers side. definitely coolant sensor

I appreciate the help

Nov 30, 2020 | 06:59 PM

#10

SteveG75

Race Director

Joined: Jun 2000

Posts: 10,037

Likes: 668

From: FL

Now you get to read all the threads about how the replacement senders have the wrong resistance and cause the gauge to be inaccurate. Have fun.

I managed to repair mine when the tab broke off by carefully slotting the insulation just enough to solder a new tab in place and then reinforce it with JB weld. Been working for 9 years now, If you have to get a replacement sensor, Wilcox makes the adjustable resistor to calibrate your gauge to the new sensor.

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