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| donhall | Analog water temp gage- 1992 | ||
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Senior Guru
 
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Gage inoperable, but no code. Digital gage works fine.
Replacement instructions suggest a 'sealant' on the sensor threads. Is teflon tape an acceptable sealant? |
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Posted on: 2012/10/7 0:04
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| josephf31 | Re: Analog water temp gage- 1992 | ||
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Senior Guru
 
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Quote:
Probably not what GM had in mind (more likely a Permagasket type sealer). |
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Posted on: 2012/10/7 0:44
Edited by josephf31 on 2012/10/7 1:03:45 |
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| joeld | Re: Analog water temp gage- 1992 | ||
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Guru
 
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I've used this for many years, many different applications and have always had good results.
Joel http://www.permatex.com/products/Auto ... ead_Sealant_with_PTFE.htm |
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Posted on: 2012/10/7 1:40
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| donhall | Re: Analog water temp gage- 1992 | ||
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Senior Guru
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Thanks for responding joeld and josephf31 ........ sealant will be used.
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Posted on: 2012/10/7 3:29
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| bogus | Re: Analog water temp gage- 1992 | ||
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Grand Imperial Pooh-Bah
 
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The analog sensor is more informational... That's why no code. This sensor is on the right head, between the last 2 cylinders. Also check the wiring there.
The digital sensor also feeds data for the ECU. If it fails, you get a code. This sensor is on the waterpump. |
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Posted on: 2012/10/7 3:34
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| donhall | Re: Analog water temp gage- 1992 | ||
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Senior Guru
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Quote:
Big help, Andy....... have been studying the FSM & Chilton manuals, and the only coolant temp sensor identified is located below the water pump. I'm familiar with the sensor you mention... between 6 & 8 cyl., but can't confirm what sensor it is. Pulled the cap off to check the wiring, and all I can confirm is the wire is attached to the cap. My coolant sensor arrives Monday, and don't need to replace the digital, and still have the analog not working. Are the digital and analog the same sensor? There is only one coolant sensor listed in the catalogs reviewed. |
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Posted on: 2012/10/7 3:57
Edited by donhall on 2012/10/7 4:40:27 |
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| bogus | Re: Analog water temp gage- 1992 | ||
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Grand Imperial Pooh-Bah
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It's not the same part... I will check the parts fiche.
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Posted on: 2012/10/7 5:36
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| vetteoz | Re: Analog water temp gage- 1992 | ||
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Senior Guru
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Quote:
As noted digital gauge is fed from the ECM which gets it's temp indication from the coolant temp sensor on water pump Quote: donhall wrote: I'm familiar with the sensor you mention... between 6 & 8 cyl., but can't confirm what sensor it is. sender for the analog gauge |
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Posted on: 2012/10/7 10:39
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| 1Fast04Vert | Re: Analog water temp gage- 1992 | ||
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Elite Guru
 
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The one on the water pump is two wire and called a sender or sensor if I remember rightly. The one on the cylinder head is one wire and again if my memory is good it is called a switch.
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Posted on: 2012/10/7 13:10
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| donhall | Re: Analog water temp gage- 1992 | ||
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Senior Guru
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Quote:
FSM shows coolant sensors for ECM & gage next to each other on the front....  |
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Posted on: 2012/10/7 15:37
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| bogus | Re: Analog water temp gage- 1992 | ||
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Grand Imperial Pooh-Bah
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That pic, Don, is OLD!!!!
Attach file:  LT1CoolingTempSensors.jpg (184.30 KB) LT1CoolantTempSwitch-Digital.jpg (42.72 KB) |
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Posted on: 2012/10/7 16:03
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| donhall | Re: Analog water temp gage- 1992 | ||
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Quote:
So am I, Andy....... pic is from my '92 fsm. Anyway, found the correct analog sensor from Eckler's. Have a spare digital sensor now. No need to research sensor part numbers. Thanks, Andy |
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Posted on: 2012/10/7 16:14
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| BillH | Re: Analog water temp gage- 1992 | ||
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The Stig Moderator
 
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Quote:
ZR1 |
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Posted on: 2012/10/7 18:09
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| donhall | Re: Analog water temp gage- 1992 | ||
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Quote:
Makes sense now, Bill, but it would not have without your and Andy's input. Thanks. |
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Posted on: 2012/10/7 20:53
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| bogus | Re: Analog water temp gage- 1992 | ||
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Grand Imperial Pooh-Bah
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You're right, Bill... That is ZR1! It looks old L98 for a moment.
Don - be sure when you are sifting through the manual that you are on "ENGINE VIN P". The VIN J is for the ZR1. VIN P is LT1. |
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Posted on: 2012/10/7 22:00
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| donhall | Re: Analog water temp gage- 1992 | ||
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Senior Guru
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Quote:
I am aware of the vin P & J difference, but need to be reminded. Thank you. |
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Posted on: 2012/10/7 23:19
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| bogus | Re: Analog water temp gage- 1992 | ||
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Grand Imperial Pooh-Bah
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Quote:
And anyone else new to the Helm Manual. |
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Posted on: 2012/10/8 3:31
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