Help me not strip out T Bolts on my 91 YJ. - Jeep Wrangler Forum
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Old 05-30-2015, 01:24 PM
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Help me not strip out T Bolts on my 91 YJ.

Been upgrading a bit lately and I am having a hell of a time with the T Bolts on my 91 Wrangler. I mangled three trying to take an old steel door off.... thankfully it was on the door I was taking off and not putting back on. All three of the bolt heads just disintegrated when I tried to take them off with a ratchet. Seems to only happen on the ones that are painted.... the paint may have weakened the metal over time???? Is there a product I can put on and around the bolts to loosen them up first? Locktight or something like that? Thanks.

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Old 05-30-2015, 02:43 PM   #2
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Been upgrading a bit lately and I am having a hell of a time with the T Bolts on my 91 Wrangler. I mangled three trying to take an old steel door off.... thankfully it was on the door I was taking off and not putting back on. All three of the bolt heads just disintegrated when I tried to take them off with a ratchet. Seems to only happen on the ones that are painted.... the paint may have weakened the metal over time???? Is there a product I can put on and around the bolts to loosen them up first? Locktight or something like that? Thanks.
You need a penetrating oil like PB Blaster... Let it soak for a while, spray the hell out of it around the head of the bolt. Needs to sit for a few hours, or three beers.

Also you can try the impact method, put your driver in the screw and give it a good whack with a hammer... If you have a breaker bar, use it instead of a ratchet and tap inline with the bolt with a hammer while holding firm pressure... This helps break the corrosion between bolt and nut threads.

Lot of aircraft mechanics have drivers for rivet guns that will put continuous hammer blows on the bolt or screw while you twist to loosen, not heavy blows but quick and sharp. Seen completely stripped out corroded Phillips come right out.

T bolt "almost" stripped out or bit keeps popping out? Can mix some borax or baby powder and water into a dry paste and add it to your bit, will help the bit get a better friction bite on the T bolt... Works great with Phillips also.

Much easier to use a larger breaker bar with even pressure than a small one and lean too much on it.

Some times going for some pressure in the tightening direction for a min then back to loosen will help break the torque also.

If it is still tight after breaking torque, you can alternate re-tightening and loosening... This will help clean and break up the corrosion, also warms the metal up, keep spraying your penetrating oil the whole time.

Advice for reinstallation, use liberal amounts of copper anti-seize on the threads of the bolt, will be much easier to remove next time.

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Old 05-30-2015, 03:18 PM
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Wow thanks for that most informative post. I am a musician by trade and do most of my own work. I am good with wood and electronics to a degree but this Jeep is teaching me how much of a mechanical novice I am. I will read and re read your reply and try those tactics. Thanks so much!!!!!
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Old 05-30-2015, 05:06 PM   #4
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I have pretty good luck with Sea Foam Deep Creep and my 20 volt DeWalt Impact Driver. I think the lighter, quicker impacts do a better job of loosening the bolts without stripping or shearing them. Good luck, Dave
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Old 05-31-2015, 08:03 AM   #5
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If you can apply for heat, that's pretty helpful too! I'm in the process of putting my Jeep back together. NO TORX!!
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Old 05-31-2015, 12:57 PM   #6
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Wow thanks for that most informative post. I am a musician by trade and do most of my own work. I am good with wood and electronics to a degree but this Jeep is teaching me how much of a mechanical novice I am. I will read and re read your reply and try those tactics. Thanks so much!!!!!
Can't learn any better than by doing it yourself... Amazed at how many people are afraid to try, or how they believe only certain bolts can be removed by a certified mechanic.

Keep at it, don't get frustrated, revel in the fact that you are saving hundreds of dollars every time you are able to repair, upgrade it yourself... And you will never be prouder of something you did yourself.

Best advice I can think of is to get a decent shop manual and research problems and solutions online and in the forums if you are apprehensive. Never be afraid of your abilities... Everyone started with zero mechanic experience at one time.
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Old 05-31-2015, 01:16 PM   #7
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Tbolts

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If you can apply for heat, that's pretty helpful too! I'm in the process of putting my Jeep back together. NO TORX!!
I replaced everyone with normal stainless steel bolts...I like the look and functionality!!
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Old 05-31-2015, 01:31 PM   #8
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I replaced everyone with normal stainless steel bolts...I like the look and functionality!!
Hope you used some anti seize... Stainless and regular steel will promote dissimilar metal corrosion, screw maybe ok but the nut threads are now headed to rust town
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Old 05-31-2015, 07:20 PM
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Originally Posted by armybass View Post
Wow thanks for that most informative post. I am a musician by trade and do most of my own work. I am good with wood and electronics to a degree but this Jeep is teaching me how much of a mechanical novice I am. I will read and re read your reply and try those tactics. Thanks so much!!!!!
Can't learn any better than by doing it yourself... Amazed at how many people are afraid to try, or how they believe only certain bolts can be removed by a certified mechanic.

Keep at it, don't get frustrated, revel in the fact that you are saving hundreds of dollars every time you are able to repair, upgrade it yourself... And you will never be prouder of something you did yourself.

Best advice I can think of is to get a decent shop manual and research problems and solutions online and in the forums if you are apprehensive. Never be afraid of your abilities... Everyone started with zero mechanic experience at one time.
Thank you so much. I find it funny that at 45 I am just now starting to learn to be a do it yourselfer. Gonna get some penetrating oil and an impact wrench this week.
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Old 05-31-2015, 08:16 PM   #10
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No better vehicle to learn on than a jeep... Absolutely nothing you can't do with some simple hand tools and a little gumption.

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