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Hey all,
My oil pressure sending unit it leaking. I have a replacement part, but access is the issue… It’s at the back of the block and there is no way to get at it from the bottom (the trans blocks access to it). I can wiggle the sensor socket and ratchet into position, but I cannot undo that stupid Chrysler connector (that looks like this):
Location on the block:
I can’t get the red connector at the top to release (it doesn’t help that it is turned away from me. I’ve tried cleaning with brakeclean (before attempting to get it loose), long hose clamp pliers, even longer needle nose, regular needle nose, and little tiny needle nose pliers. I can’t really get anything else in there and onto the connector…
Any thoughts on how I can get this connector off to change this part? Thank you!
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Ok, so I got this sensor changed out, but it seems that I still have a slow oil leak from the sender. The replacement was an autozone unit with a little teflon on the threads from the time of purchase.
Should I remove it again, apply liberally apply new thread sealant, then re-install? Also, how tight should it go on? My FSM doesn’t supply a torque spec for this sensor. I ran it down until it no longer turned (I wen’t a quarter turn past that, but it’s not on super tight). Is it possible I over tightened the sensor?
Thank you!
[quote=”tbonedude89″ post=140257]Ok, so I got this sensor changed out, but it seems that I still have a slow oil leak from the sender. The replacement was an autozone unit with a little teflon on the threads from the time of purchase.
Should I remove it again, apply liberally apply new thread sealant, then re-install? Also, how tight should it go on? My FSM doesn’t supply a torque spec for this sensor. I ran it down until it no longer turned (I wen’t a quarter turn past that, but it’s not on super tight). Is it possible I over tightened the sensor?
Thank you![/quote]
is the leak from the threads or the sensor? If its from the sensor its done.
If its from the threads remove the sensor and use just enough pipe sealant
to cover the threads then tighten until you feel it tighten without snapping.
you should feel tightening resistance and can’t move it by hand.It’s leaking from the threads.
Do you mean I should tighten it until fairly snug or until it won’t easily turn anymore?
Thank you!
[quote=”tbonedude89″ post=140332]It’s leaking from the threads.
Do you mean I should tighten it until fairly snug or until it won’t easily turn anymore?
Thank you![/quote]
Fairly snug without snapping it. 🙂
Ok, I finally got around to changing my oil today.
Among other things (like fixing a loose hose clamp on one of my transmission cooler lines), I got around to pulling the oil pressure sending unit off again. Turns out that the threads weren’t leaking, it was a bad seal in the sensor (pumping oil through the back of the electrical connector. Dunno why it failed again like this (the part is less than 6 months old). I went to autozone and they gave me another replacement. I re-installed it after my oil change and I don’t see any leaks yet (so I’m keeping my fingers crossed).
The good news is that I’ve gotten pretty good at pulling this sensor out now (since it’s on the back of the block, and access to it is blocked by one of the CVs and the transmission)..
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