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Old 05-08-2020, 05:11 PM #1
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Stripped Transmission Pan Bolt: Replace Pan or Tap?

So I decided to change my auto transmission fluid today--drain and fill only. No filter, drop the pan, etc. Upon putting the bolt back in, it never tightens. It turns, and will come back out again, but won't tighten. I'm guessing the last person to do the transmission flush overtightened the bolt. So, is this something I can just get a tap kit for and re-do threads? Or will I need a new pan? Thanks!
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Old 05-08-2020, 05:32 PM #2
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Quote:
Originally Posted by DesertRoads View Post
So I decided to change my auto transmission fluid today--drain and fill only. No filter, drop the pan, etc. Upon putting the bolt back in, it never tightens. It turns, and will come back out again, but won't tighten. I'm guessing the last person to do the transmission flush overtightened the bolt. So, is this something I can just get a tap kit for and re-do threads? Or will I need a new pan? Thanks!
I threaded my oil pan and helicoiled it with bigger plug 10 years ago and have had no
issues. Don't see why not the atf pan.
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Old 05-08-2020, 05:34 PM #3
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What do the drain plug threads look like?
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Old 05-08-2020, 09:08 PM #4
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If you know some one that knows how to weld or braze they could take a nut and a fix it to the pan.
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Old 05-09-2020, 06:00 AM #5
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Quote:
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So, is this something I can just get a tap kit for and re-do threads?
That's what I would do.
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Old 05-09-2020, 07:18 AM #6
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The 97 puppy hauler had the plug threads messed up. It looks like the bolt is softer than the pan. The pan threads were good so I just ordered a new drain plug and gasket from the local dealer.


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Old 05-09-2020, 06:29 PM #7
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I over tightened the drain plug and it stripped the plug instead of the pan. So you might only need a new plug.
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Old 05-09-2020, 10:11 PM #8
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If there is room I like Time Serts over helicoils. Solid metal insert vs coil of wire.
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Old 05-10-2020, 12:51 AM #9
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your post isnt very clear about whether its a pan bolt or the drain plug. If its a pan bolt then it needs a helicoil, easy to find at a napa or even a home depot, if you've never done one before then check it out on you tube. if its a drain plug then you probably need a new pan
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Old 05-10-2020, 02:05 PM #10
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Thank you all for your response. The plug seems to be fine, but the threads in the pan seem to be off. Maybe I'll try a plug first, then the inserts. A new pan is $167 from the dealer-- plus I'd need a $25 gasket for the pan. A new plug is cheaper than the pan, so I'll start there.
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Last edited by DesertRoads; 05-11-2020 at 10:01 AM.
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Old 05-10-2020, 03:51 PM #11
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Thank you all for your response. The plug seems to be fine, but the threads in the pan seem to be off. Maybe I'll try a plug first, then the inserts. A new plan is $167 from the dealer-- plus I'd need a $25 gasket for the pan. A new plug is cheaper than the pan, so I'll start there.

Clean the threads in the pan with a tap or thread chaser.


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Old 05-14-2020, 03:57 PM #12
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I finally sourced a new plug from the dealer. Unfortunately that didn't fix the problem. So Looks like I might have to tap the hole and go with a bigger plug. A new pan is $166 from the dealer, and there doesn't seem to be much in the way of aftermarket engine/transmission support for these pans. Frustratingly.
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