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Go Back JeepForum.com > Models > Jeep Cherokee & Comanche Forums > XJ Cherokee Technical Forum > Went to remove bolts from tps and stripped one of the bolt heads

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Unread 08-19-2012, 02:46 AM   #1
XJ99Josh
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Went to remove bolts from tps and stripped one of the bolt heads

Would a needle nose vise grip work to free the bolt?

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Unread 08-19-2012, 08:34 AM   #2
JGriff99xj
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If you can use a dremel tool just cut a flat into the head of the bolt and get it out with a flat head screwdriver.
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Unread 08-19-2012, 08:58 AM   #3
CJ7-Tim
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Remove the throttle body from the engine. Grind the head off the stripped bolt and remove the TPS by sliding it off. Remove the remains of the bolt with a ViseGrips. Heating the bolt and throttle body slightly with a propane torch will loosen the thread lock compound. Get replacement cap screws at the hardware store.


Quote:
Originally Posted by JGriff99xj View Post
If you can use a dremel tool just cut a flat into the head of the bolt and get it out with a flat head screwdriver.
The bolts are very firmly locktighted in place and this will not work.
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Unread 08-19-2012, 10:05 AM   #4
AZ Jeff
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This happened to me. I used need nosed Vice-Grip AFTER I heated the local area of the throttle body with a propane torch. It came out no sweat.

I used stainless steel socket head cap screws and some Never-Sieze when I put on the new TPS.
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Unread 08-22-2012, 03:30 AM   #5
XJ99Josh
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Thanks guys got it off hit the head a few times
And it came right off after a few twists
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Unread 08-22-2012, 03:42 AM   #6
5-90
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Don't use LocTite - #242 is too strong, and #222 is even a bit much.

What do I use? Fingernail enamel. Works great! It's strong enough to hold, light enough to break easily, and elastic enough to allow for adjustment without reapplication. I use clear for threadlocker on small screws, and white for bringing out witness marks, matchmarks, and timing marks.

(I started out by using fingernail enamel for riflescope screws, and decided it worked really well! Anything under #10 or M5 gets the stuff on the threads, I only use LocTite #222 if it's something I don't plan on needing to adjust from time to time.)

If the screw breaks, I usually just cut the head off with a Dremel and clamp on it with a Vise-grip, once the sensors is off (since I'm probably replacing the sensor anyhow.) If you cut carefully, you won't gouge the housing - and there are usually washers under the screw head anyhow. Using a regular cutoff wheel instead of the reinforced will give you more control over the cut, and the wheel is smaller so you're less likely to hit something important.
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