differential fill plug stuck - JeepForum.com
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post #1 of 31 Old 10-18-2009, 12:25 PM Thread Starter
purplepig
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differential fill plug stuck

i cant get the rear plug out. i dont want to strip it. any ideas???

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post #2 of 31 Old 10-18-2009, 12:31 PM
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post #3 of 31 Old 10-18-2009, 01:43 PM
flatlander757
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If it's off the vehicle, heat up the cover around the plug. If it's on the vehicle, I don't know if that will cause any ill effects to the RTV sealant or any fluid that may be directly on the inside of the cover.

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post #4 of 31 Old 10-18-2009, 01:52 PM Thread Starter
purplepig
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i tried wd-40 with no luck and i thought about heating it but i dont have a blow torch. yes, it is still on the vehicle.
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post #5 of 31 Old 10-18-2009, 02:13 PM
XJMuscle98
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wd40 is a lubricate not a penetrating oil which is what you need.

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post #6 of 31 Old 10-18-2009, 02:22 PM
flatlander757
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Quote:
Originally Posted by XJMuscle98 View Post
wd40 is a lubricate not a penetrating oil which is what you need.
WD-40 is NOT a lubricant... it just displaces water.

SOLDThe lumbering steel-laden pig - 2003 TJ - 40" LTBs - D60/D70HD - 5.86s - Detroit lockers - 110" wheelbase

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Originally Posted by 2006 Sport
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post #7 of 31 Old 10-18-2009, 02:33 PM Thread Starter
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thanks will try something else
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post #8 of 31 Old 10-18-2009, 05:54 PM
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Impact wrench.
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post #9 of 31 Old 10-20-2009, 11:20 AM
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Depends on what rearend you have ??
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post #10 of 31 Old 10-20-2009, 05:59 PM Thread Starter
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i think it is a dana 35. 2000 wrangler 4.0
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post #11 of 31 Old 10-20-2009, 06:37 PM
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Quote:
Originally Posted by wushaw View Post
Impact wrench.
On an aluminum cover?

bad idea.

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post #12 of 31 Old 10-20-2009, 07:22 PM
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Is it alright to use anti-seize on the plug threads when you re-install it?
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post #13 of 31 Old 10-20-2009, 07:58 PM
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Quote:
Originally Posted by purplepig View Post
i think it is a dana 35. 2000 wrangler 4.0
If you're worried about stripping it you definitely don't have a D35(unless the cover is aftermarket)... D35 has a rubber fill plug... the D44 has the thread-in fill plug that takes a 3/8" square to unthread.

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On an aluminum cover?

bad idea.
Unless it's aftermarket it most definitely isn't aluminum. It should be stamped steel... Aluminum doesn't rust.

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Originally Posted by 05RedRME View Post
Is it alright to use anti-seize on the plug threads when you re-install it?
I've never heard of doing that, I would personally just -lightly- smear the threads of the plug w/ RTV when you go to reinstall it. It's pipe thread.. it seals with thread interference.

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post #14 of 31 Old 10-20-2009, 08:38 PM
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The d35 has a rubber plug, just changed my diff fluid a few days ago.

Although I do think a regular threaded bolt would have been much better. Tired of it leaking so I RTV'd it on the last time.

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post #15 of 31 Old 10-20-2009, 08:54 PM Thread Starter
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really? my socket wrench fits the hole perfectly. it just doesn't turn. i tried the pb blaster too as suggested. does the rubber plug have a hole in it?
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