HELP! Oil Pressure Switch (elbow connector) - JeepForum.com

 
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post #1 of 4 Old 12-08-2008, 11:21 AM Thread Starter
pacopaco
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1995 YJ Wrangler 
 
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HELP! Oil Pressure Switch (elbow connector)

Hi all,

I'm having a crazy time figuring why the elbow connector from the oil pressure switch to the block is leaking oil, a lot of oil. It's a 5.00 dollar part, and I've already replaced it. Wrapped Teflon tape around the thread.
Anyone have any suggestions ?I'm at a loss.

1995 Jeep Wrangler, 4 Cyl. standard trans. 4WD


Last edited by pacopaco; 12-08-2008 at 11:22 AM. Reason: left out info
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post #2 of 4 Old 12-08-2008, 12:07 PM
havasu
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I'd buy a new elbow, and install it after cleaning up the threads with a tap and die set. That is, as long as you have confirmed the switch itself didn't fail on you.
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post #3 of 4 Old 12-08-2008, 12:45 PM Thread Starter
pacopaco
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Thanks havasu,

i did replace the elbow. here's what I'm thinking:

1) I didn't tighten it enough ( though I don't want to overtighten)

2) not enough teflon. I didn't put on any black Silicon, which I think I probably should have.

3) is it posible that the threaded hole expanded? I would think, though, that if it had, somthing else would have gone belly-up before the elbow connector.

The switch itself is fine. that was replaced at the start of this year. the leak is definitely from the contact of the elbow and the block.
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post #4 of 4 Old 12-08-2008, 10:40 PM
Felonious_monk
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Is it possible that someone tried to tap the hole to accept machine thread?

I'm pretty sure that it is 1/4" NPT thread.....i could be wrong.

Also, I bought a tube of high heat Liquid PTFE. It was real cheap, and is the same thing as teflon tape but liquid. Put the liquid on the male end of the fitting and screw her down tight. Let it sit overnight, and you should be good to go.

Good Luck
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