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'85 XJ Pioneer Oil Filler Cap; Can't find replacement that fits.

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Old 05-02-2013, 07:14 PM
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Default '85 XJ Pioneer Oil Filler Cap; Can't find replacement that fits.

Model: 1985 XJ Pioneer
Engine: 2.8L V6 (the WORST)

I recently managed to lose my oil filler cap somewhere along the road; it was damaged and didn't fit TOO securely (obviously). After weeks of searching auto parts stores, the internet, and even a Jeep dealership I have concluded that no one knows where to find one of these damn things.

Every one I've seen is too wide to fit in the tube, twists in, isn't long enough to secure itself, or simply is shaped wrong.

The one I lost was about 2 inches long and seemed to be made of rubber (if not just rubberized). It just popped into place and fit snugly. I think that the hole is 1" to 1.5" wide. I'd check if not for the rain. Lol.

Has anyone ever found a replacement?? My exhaust is absolute bollocks (of course) so I keep literally burning the rag I have stuffed in the hole for the moment. I plan to replace the whole bloody Jeep once I fix it enough to sell it or find something I can otherwise afford, but for the moment it's my Point A - Point B runner; I need to continue fixing it up.
Old 05-02-2013, 07:24 PM
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http://www.rockauto.com/
Old 05-02-2013, 07:28 PM
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gates 31096 ? stant 10085 ?
Old 05-02-2013, 07:30 PM
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85 s10 cap
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Old 05-02-2013, 07:57 PM
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Originally Posted by freegdr
85 s10 cap

Is that an upside down 710 cap?
Old 05-02-2013, 08:00 PM
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Originally Posted by jedijeb
Is that an upside down 710 cap?
No idea came up as 85 2.6 chevy
Old 05-02-2013, 10:49 PM
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Originally Posted by jedijeb
Is that an upside down 710 cap?
That went over freegdr's head like an F-16, didn't it?
Old 05-03-2013, 03:56 AM
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Originally Posted by cruiser54
That went over freegdr's head like an F-16, didn't it?
Sure as heck did Ive been off here for a while gotta get back in the groove...
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Old 05-03-2013, 08:31 PM
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Originally Posted by freegdr
gates 31096 ? stant 10085 ?
Neither of them even fit in the hole. They're both twist in as well. Lol. Autozone, Orielley, and Bumper to Bumper all tried them.

The S10 cap looks like it might. I bet it's some AMC generic component that they mass produced just long enough to find something with which to replace it. Lol.
Old 05-03-2013, 08:38 PM
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Random idea.... what about those rubber bilge plugs (I think that's the name) that are used in boat hulls and you turn them and the rubber expands to seal the hole?
Old 05-03-2013, 08:50 PM
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I was thinking "stick a cork in it". ACE has bins with both cork and neoprene.

That 2.8 won't run much longer anyway.
Old 05-03-2013, 08:57 PM
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Originally Posted by DFlintstone
I was thinking "stick a cork in it". ACE has bins with both cork and neoprene.

That 2.8 won't run much longer anyway.
All the blowby pressurized the crankcase, thereby popping the cork on the highway.
Old 05-03-2013, 09:43 PM
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Lost me there Firestorm. He has a Rag stuck in his oil filler. I'd assume the 2.8 has a crankcase vent?

Oops.

Last edited by DFlintstone; 05-03-2013 at 10:57 PM.
Old 05-03-2013, 09:58 PM
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Originally Posted by DFlintstone
He has a *** stuck in his oil filler.
Don't think I wanna know...
Old 05-03-2013, 10:07 PM
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Originally Posted by DFlintstone
Lost me there Firestorm. He has a *** stuck in his oil filler. I'd assume the 2.8 has a crankcase vent?
PCV, blow-by is probably flooding the air filter housing with copious amounts of oil. I won't comment on the rest of your post...


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