Engine/Transmission (1994 - 1998) Temp guage issue

[Beach Bomb]

Hi, I am having a problem with the temp. guage on my '95. It will jump all over the place once I get running. I searched through some old threads, and didn't come up with anything. I am trying to figure out what I need to replace to fix this problem. Anybody else experience this? Thanks.

 

[hsmith]

My guess is the sending unit. Might check the connection. It is hidden toward the rear of the head under the intake.

 

[Missouri Mule]

If it is swinging back and forth between 140-150 and 180-190 it is normal. If it doing other weird things it is probably the sensor.

 

[Beach Bomb]

Temp. guage

Thanks for the replies. I am beginning to lean towards faulty sensor. I tried to research temp sensor and all I can come up with is trans sensors. Does anybody know where I can find a temp sensor. Thanks.

 

[BigPapa]

The sensor is on the driver side at the very back of the head. As Mr. Mule said, if the gauge swings from @160 to 190 and then drops back to 160 quickly that's normal. Don't sweat it.



If it's doing something else, I would try putting a wrench on it and loosen it up @ 1/4 turn then tighten it back up. I did this with mine and it started working properly again. I guess it builds up some corrosion between the sensor and the block and moving it breaks it loose and lets it ground again.



Scott

 

[Missouri Mule]

Try "coolant temp sensor" for searches. Find one = Dodge or Cummins unless you want to try the auto part stores.

 

[BigPapa]

Here ya go. Top right.



Scott



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[Beach Bomb]

Thanks for posting that up. I had already found it but my arms were too short to reach back there. I will have a friend with spagetti arms help me. I also bought a temp guage for inside the cab as back-up. Now, just figuring out where the probe goes for that one. Thanks for the replies.

 

[BigPapa]

I find that it's not necessarily the length of my arms as much as the size of my belly. The combination makes for problems more often than I care to admit... ... ... ...



Scott

 

[mwilson]

I find that it's not necessarily the length of my arms as much as the size of my belly. The combination makes for problems more often than I care to admit... ... ... ...



Scott

me too... ... .....



Mike.

 

[Mikey-KE7LBB]

I find that it's not necessarily the length of my arms as much as the size of my belly. The combination makes for problems more often than I care to admit... ... ... ...



Scott

Tim Wilson 'Beer Belly Blues' - YouTube



I'm working on mine at the moment lol!!!



Don't feel too bad because the 2nd gens are a pain to work on period!!



My '92 is WAY easier than the '01 or the '09 that I have and the 'gut' gets in the way sometimes for us 'skinny folks' from time to time #@$%!#@$%!

 

[mwilson]

Tim Wilson 'Beer Belly Blues' - YouTube



I'm working on mine at the moment lol!!!



Don't feel too bad because the 2nd gens are a pain to work on period!!



My '92 is WAY easier than the '01 or the '09 that I have and the 'gut' gets in the way sometimes for us 'skinny folks' from time to time #@$%!#@$%!

The reference to Orson Welles in the song is pure genius... .....



Mike.