PCM question
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Freshman User
Joined: Apr 2019
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From: South Orange County Cali
Butt-Head
Joined: Apr 2004
Posts: 9,453
Likes: 2,936
From: Reed Point, MT
You will have to remove the PCM and use a drill bit and an easy out. The bolt is broken off that holds the harness connector in the PCM. It's not that big of a deal, I have had to do numerous ones like that. A new harness will not help you. You can remove the bolt and get a hardware store one to replace it.
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Freshman User
Joined: Apr 2019
Posts: 49
Likes: 0
From: South Orange County Cali
You will have to remove the PCM and use a drill bit and an easy out. The bolt is broken off that holds the harness connector in the PCM. It's not that big of a deal, I have had to do numerous ones like that. A new harness will not help you. You can remove the bolt and get a hardware store one to replace it.
Well I’ll I got this out, but any idea how to get the bolt out of the harness.....it just keeps turning for me
It's a Van Gogh
Joined: Feb 2010
Posts: 7,813
Likes: 1,335
From: Elk Grove, CA
Good job, I thought that was going to be the difficult side!
If the harness bolt does not simply push thru, then it is being retained by a press on washer inside that gray connector box. Looks like the type of box that can be opened and closed again. Then you can access the bolt and the retention washer. Never had one open, just an educated guess. It may be glued or sealed for waterproofing and you'll want to seal it up again when you put it back together. I would not recommend RTV since the gasses it emits as it dries can rot soldered connections. Hopefully it has a reuseable rubber seal.
The plastic may be crispy at this age so be as gentle as possible. Going to be a pain to do carefully while in the vehicle, hope you're flexible!
If the harness bolt does not simply push thru, then it is being retained by a press on washer inside that gray connector box. Looks like the type of box that can be opened and closed again. Then you can access the bolt and the retention washer. Never had one open, just an educated guess. It may be glued or sealed for waterproofing and you'll want to seal it up again when you put it back together. I would not recommend RTV since the gasses it emits as it dries can rot soldered connections. Hopefully it has a reuseable rubber seal.
The plastic may be crispy at this age so be as gentle as possible. Going to be a pain to do carefully while in the vehicle, hope you're flexible!
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Postmaster
Joined: Nov 2015
Posts: 4,807
Likes: 125
From: Colorado Springs
Google, broke the PCM Bolt in my 7.3L…based on the threads it’s a PITA but others have came and conquered. When tightening the bolt stick with a 1/4” drive.
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