EGT Sensor removal safety warning.
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Senior User
Joined: Dec 2012
Posts: 166
Likes: 3
EGT Sensor removal safety warning.
I bought some high temp anti-seize thread compound last week and had some free time to look at the EGT sensors last night.
In a warm dry garage, the sensors are pretty easy to reach and so I had a go at wrenching them loose.
They are tight. And they are knuckle busters when they break loose so be prepared.
The number three sensor (third from the front of truck) is close to the frame.
Very close to the frame.
And the frame has some sharp points along it's edge - knife sharp.
A steel file (and two blood soaked band-aids later) the sharp points were gone and the EGT sensor threads prepped.
In a warm dry garage, the sensors are pretty easy to reach and so I had a go at wrenching them loose.
They are tight. And they are knuckle busters when they break loose so be prepared.
The number three sensor (third from the front of truck) is close to the frame.
Very close to the frame.
And the frame has some sharp points along it's edge - knife sharp.
A steel file (and two blood soaked band-aids later) the sharp points were gone and the EGT sensor threads prepped.
Senior User
Joined: Feb 2012
Posts: 463
Likes: 1
From: San Marcos, TX
Yep that #3 is the one that I would not want to replace on a roadside. I think the anti-seize will definitely make it easier to remove so your efforts now might be worth the pain and suffering.
Mountain Pass
Joined: Feb 2010
Posts: 217
Likes: 0
From: Washington State
The sensors on my 2012 weren't that hard to remove when I applied the anti-seize, took all but twenty minutes if that. definately don't want to be doing the sensor change out on a dark and stormy night.
Fleet Mechanic
Joined: Dec 2002
Posts: 1,664
Likes: 188
I have 4 of them here ready to change out but I'm lerry. I fear them snapping off in the exhust. I have 102000 miles on my truck. I can heat the bungs that hold it with a Map kit from home Depot and get them red hot I believe but I'm stuck on the fence about doing this.
Super Moderator
Joined: Aug 2008
Posts: 37,380
Likes: 1,864
From: Frederick, MD
I have 4 of them here ready to change out but I'm lerry. I fear them snapping off in the exhust. I have 102000 miles on my truck. I can heat the bungs that hold it with a Map kit from home Depot and get them red hot I believe but I'm stuck on the fence about doing this.
Leave it alone. You have them if you need them. Otherwise never touch them is my approach.
I never touched any in my 08. Not going to start now either.
I never even owned a spare for the 08 either.
FTE Chapter Leader
Joined: Jan 2006
Posts: 21,347
Likes: 8,067
From: North Central Washington
I have one I keep in the truck just in case just like I carried a cam sensor in my 97' 7.3L. I have loosened all of the exhaust sensors up and applied anti-seize wasn't bad at all on 2012. The worst part about it is that my dully is so low to the ground that I can't slide under it on a creeper without driving it up on blocks.
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Logistics Pro
Joined: Mar 2005
Posts: 3,535
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From: West Michigan
I have 4 of them here ready to change out but I'm lerry. I fear them snapping off in the exhust. I have 102000 miles on my truck. I can heat the bungs that hold it with a Map kit from home Depot and get them red hot I believe but I'm stuck on the fence about doing this.
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Senior User
Joined: Feb 2012
Posts: 463
Likes: 1
From: San Marcos, TX
And if one fails while you're on the road? You'll have to be toad, I mean towed.
I just learned that Permatex has a "nickel" high temp anti-seize for stainless which might be better than the regular aluminum one like I used. Dunno, but maybe worth checking into.
Logistics Pro
Joined: Mar 2005
Posts: 3,535
Likes: 2,501
From: West Michigan
Of course, If I break a bung or something, I will will need to be towed. You see, since mine is a 2011, those sensors have had plenty of chance to get corroded up here in the Michigan salty winters.
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