Diff and tcase plugs are stuck - Defender Source
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  #1  
Old March 19th, 2011, 09:45 AM
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Steve
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Diff and tcase plugs are stuck

Won't budge - ok to use penetrating oil or some other technique? PO didn't seem to pay a ton of attention but it's time to replace the oil..
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  #2  
Old March 19th, 2011, 10:42 AM
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Yeah I don't see a problem using some pb blaster or kroil on it.... the miniscule amount that may make it through the threads into the oil wouldnt cause a problem, and anyways, you're planning on dumping it all anyways.

You can replace the plugs too to make it easier in the future;

http://www.expeditionexchange.com/brassplug/

or

http://www.lucky8llc.com/Products.aspx?ProductID=2778

(you can also find something that'll work at a hardware/plumbing store, I just don't remember the size)
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Old March 19th, 2011, 11:03 AM
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Never knew/realized they were the same as the radiator plug. Cool.
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  #4  
Old March 19th, 2011, 11:09 AM
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Originally Posted by rijosho View Post
Never knew/realized they were the same as the radiator plug. Cool.
Me neither. Good advice. Thanks.
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Old March 19th, 2011, 11:23 AM
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At least on the Discovery 2's they are... they may be different on the D90/D1 ... I never tried them on my 90 when I had it.
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Old March 19th, 2011, 11:23 AM
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that's because they aren't.

Steve, try some heat and a breaker bar.

Penetrating oil without heat is about as useful as a football bat.

Don't worry about changing the plugs unless there is something wrong with them. They were probably just overtightened.

The brass radiator plugs from EE are seriously overpriced, RDS has them for $5.



Quote:
Originally Posted by rijosho View Post
Never knew/realized they were the same as the radiator plug.
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  #7  
Old March 19th, 2011, 03:46 PM
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Steve
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Quote:
Originally Posted by Ren Ching View Post
that's because they aren't.

Steve, try some heat and a breaker bar.

Penetrating oil without heat is about as useful as a football bat.

Don't worry about changing the plugs unless there is something wrong with them. They were probably just overtightened.

The brass radiator plugs from EE are seriously overpriced, RDS has them for $5.
Aw yeah, breaker bar worked by itself on the diffs. I'll do the same thing for the tcase, but maybe a little more gently. It looks like they were overtightened and spraypainted several times over.. Thanks DB.
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  #8  
Old March 19th, 2011, 04:22 PM
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Quote:
Originally Posted by Ren Ching View Post

Steve, try some heat and a breaker bar.
x2, thats how I got my plug off too. soaked in liq wrench for an hour or 2, propane torch directly on the plug for 10 seconds or so. breaker bar, popped right off.
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