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Stripped/destroyed Tranny Drain plug
Stripped/destroyed Tranny Drain plug
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Old 12-01-07, 01:59 PM   #1
Swenke
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Default Stripped/destroyed Tranny Drain plug

I was changing my transmision oil today and everything was fine until I tried to remove the 14mm drain plug. I strained really hard with my breaker bar and instead breaking the bolt loose, it rounded off the edges. At first I thought I'd be fine, just got some vise grips and wd-40 but ended up messing the bolt up more (and hurting my hand, ouch).

I don't really get why it stuck in there so well. I might just leave it and fill up transmission and wait till the next 30,000 miles comes up and let the dealership take care of it. You guys have any better ideas?

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Old 12-01-07, 02:02 PM   #2
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Default Re: Stripped/destroyed Tranny Drain plug

hammer a 13mm socket on there with an extension.
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Old 12-01-07, 02:03 PM   #3
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Default Re: Stripped/destroyed Tranny Drain plug

If you have access to a torch, you might try heating up the drain plug and trying to break it loose... or tapping on it with a hammer to try to shock it loose.. but I'm not seeing much for you grab onto...

Best bet might be just take it to a decent shop.. no need to take it to a dealer. Just pick up another drain plug from the dealership and take the car to a shop. It shouldn't cost you more than an oil change/fill up.
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Old 12-01-07, 02:11 PM   #4
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Default Re: Stripped/destroyed Tranny Drain plug

Wow, that was fast. Thanks guys!
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Old 12-01-07, 02:17 PM   #5
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Default Re: Stripped/destroyed Tranny Drain plug

Damn! Did you use the right size socket the first try?!

Good luck with that.
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Old 12-01-07, 03:53 PM   #6
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Default Re: Stripped/destroyed Tranny Drain plug

looks like that bolt got its butt handed to it with a hammer lolz, good luck man,
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Old 12-01-07, 05:02 PM   #7
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Default Re: Stripped/destroyed Tranny Drain plug

Yeesh! You need some 6-point sockets pronto.
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Old 12-01-07, 05:24 PM   #8
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Default Re: Stripped/destroyed Tranny Drain plug

Don't heat the plug, it will only swell and be harder to remove. Instead, try to heat the surrounding area to swell the threaded hole. I think you had the right idea with vise grips. Try to wiggle the plug in either direction, just so it moves to break the seal. My guess is that it was over-torqued when inserted. Who last changed the tranny fluid? They're the culprits.
Good luck. Also, no harm in bringing it to the dealer or other reputable shop.
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Old 12-01-07, 05:25 PM   #9
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Default Re: Stripped/destroyed Tranny Drain plug

Is it just me or does it look like the head of the bolt is deformed in the clockwise direction (i.e. tighten)
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Old 12-16-07, 10:07 AM   #10
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Default Re: Stripped/destroyed Tranny Drain plug

make sure you smash in a smaller 6pt socket and not a 12
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