Over tightened PCM bolt - JeepForum.com
 
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post #1 of 2 Old 07-25-2013, 12:27 PM Thread Starter
MadMike03159
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1993 YJ Wrangler 
 
Join Date: Apr 2013
Location: Knoxville
Posts: 21
Over tightened PCM bolt

Made our first attempt to fire up the 93 YJ for the first time after a 4 month build. The starter was turning over but couldn't get a spark on the plugs, nor would the fuel pump kick on. I ran through all my wiring and couldn't find anything I had missed, so I pulled the PCM off, checked the pins and remounted it; this time the connector bolt was acting a little strange, it never came to a point where it felt even remotely tight. So I pulled the bolt again and this time the nut that sits inside the PCM came out with it.

After waking up from a good nights rest I felt like an idiot, I had missed a connector under the dash, plugged it in, fired it up and presto. But now I have a broken PCM .

I'm thinking gorrilla glue or some kind of JB weld would hold that nut in place but I wanted to see if anyone had any suggestions or experience. Worst case scenario I buy a new one for $160.

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post #2 of 2 Old 07-25-2013, 12:32 PM
Siva283
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1995 YJ Wrangler 
 
Join Date: May 2011
Location: Falling Waters
Posts: 3,742
First you can get PCM's much cheaper than that. I would suggest red locktite around the ouside of the nut. Let it cure over night then install and enjoy your jeep. When you tighten it back down hand tight plus a quarter turn is all it needs.

1995 YJ. 2 inch BDS Spring lift. 1 inch shackle lift. 1.25 inch JKS Body Lift 33x12.5x15's. Engo 10,000 pound winch.

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