temperature sending unit
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Mountain Pass
Joined: Feb 2002
Posts: 229
Likes: 0
From: Canada
temperature sending unit
2015 with just over 100,000 miles. Temperature gauge normally reads about midway. Recently started randomly going to bottom, then back to middle as driving. Then "coolant overheat" message appears in the message center. Truck is not running hot and appears sending unit is faulty.
Here's where it gets interesting.... sender is screwed into back of passenger side cylinder head at the bottom, just near bellhousing. It is, so far, impossible to reach with engine installed. I've tried from top, underneath on hoist, and removed tire and fender. Can just see it through fender but can reach it with a hand. Connector needs to be unplugged, then sender threaded out.
I'm ready to burn it to the ground! Pulling the engine is not a reasonable solution to replace $20 sender!
Any helpful ideas?
Here's where it gets interesting.... sender is screwed into back of passenger side cylinder head at the bottom, just near bellhousing. It is, so far, impossible to reach with engine installed. I've tried from top, underneath on hoist, and removed tire and fender. Can just see it through fender but can reach it with a hand. Connector needs to be unplugged, then sender threaded out.
I'm ready to burn it to the ground! Pulling the engine is not a reasonable solution to replace $20 sender!
Any helpful ideas?
Cargo Master
Joined: Dec 2004
Posts: 2,232
Likes: 3
From: NE Texas
Well, it could be worse. The C8 Midengine Corvette requires engine and transaxle removal to replace the accessory drive belt. A drive belt is something that must be changed eventually. The sensor is something that would usually last the life of the vehicle.
I’m not trying to minimize your problem. it sounds EXTREMELY frustrating! There have been things like this over the years and as vehicles get more reliable, repair accessibility becomes less and less of a priority. I remember the Chevy Monza of the late seventies that with a V8 required engine removal for replacement of some of the spark plugs and that was in the days when spark plugs had to be changed often.
I’m not trying to minimize your problem. it sounds EXTREMELY frustrating! There have been things like this over the years and as vehicles get more reliable, repair accessibility becomes less and less of a priority. I remember the Chevy Monza of the late seventies that with a V8 required engine removal for replacement of some of the spark plugs and that was in the days when spark plugs had to be changed often.
Junior User
Joined: Jul 2016
Posts: 66
Likes: 1
I had a 78 Monza Spyder! Loved that thing. All you really had to do was undo the motor mounts on the one side and jack the engine up a bit to get those back two plugs. To the OP - Good luck with the fix. Hopefully the dealer or a local mechanic has a slick way to get that fixed for you.
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Mountain Pass
Joined: Feb 2002
Posts: 229
Likes: 0
From: Canada
Thanks for the replies. Every trip to the dealer ends in total disaster for me. Pulling the engine might be easier.
Yes, finding a tech would be great, but don't know how to do that. Will keep you posted.
Yes, finding a tech would be great, but don't know how to do that. Will keep you posted.
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Mountain Pass
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Logistics Pro
Joined: Dec 2004
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From: Weatherford Texas.
What is easier, pull the engine or pull the transmission, if it near the bell housing, may need to pull the trans.
edit:
or better yet ask here. https://www.youtube.com/channel/UCN4...Llk98JddJLL51w
edit:
or better yet ask here. https://www.youtube.com/channel/UCN4...Llk98JddJLL51w
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