Replacing rear CAM seal plug

Tiny
RECCK
  • MEMBER
  • 1989 CHRYSLER LE BARON
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 115,000 MILES
How would I go about replacing the rear cam seal plug on my 89 LeBaron 2.5L? It seems like a simple job but I want to know the precautions beforehand. I have a new Felpro rear cam seal plug, what else do I need? Do I need an adhesive as well?
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Saturday, April 23rd, 2011 AT 8:11 PM

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Tiny
CARADIODOC
  • EXPERT
Originally there was no sealer on it, but if you use a silicone gasket sealer, that will make it slide in easier and will "glue" it in to prevent it from falling out again. Let the sealer set up overnight because if it slides in easier, it can be forced out easier too.

I use the sealers from the Dodge dealer because that's what I'm most familiar with. The black stuff stays a little more rubbery, but it is critical there is no oil film. If there is, the sealer won't bond and seal. The gray stuff gets a little harder but it will still bond if there is a little oil film. It's still best to wash the area first with brake parts cleaner or carburetor cleaner.
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Saturday, April 23rd, 2011 AT 8:38 PM
Tiny
RECCK
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Another concern I have is that I'm missing the plate cover that would add more security to the plug. Is this a critical issue I should be aware of, or can I have some assurance that the plug wont necessarily need the plate to hold it in place? If you look at the attached image the part labelled 7 is what I'm missing. I've seen other diagrams that don't include that part, and I've spoken to some die-hard Chrysler fanatics that told me some LeBarons were shipped out with that piece.
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Saturday, April 23rd, 2011 AT 8:45 PM
Tiny
RECCK
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Image didn't go through.
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Saturday, April 23rd, 2011 AT 8:46 PM
Tiny
CARADIODOC
  • EXPERT
I don't recall ever seeing that plate and I don't know what it's for. I resealed a lot of valve covers in my first couple of years at the dealership starting in 1990 and I don't believe I ever saw one of those. If I had to guess, I would suggest it was probably to mount an air pump for the emissions system.

There is really no oil pressure acting on that seal so it shouldn't be popping out very easily. If you do use sealer on it, put the sealer on the plug, not the head. If you put a layer on the head, then push the plug into it, some of that sealer will get pushed in further and could block the oil drain area.
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Saturday, April 23rd, 2011 AT 9:23 PM
Tiny
RECCK
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Alright, I'll take your word for it. Thanks.
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Saturday, April 23rd, 2011 AT 9:31 PM

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