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Threaded stud that holds chain bar broke off, how do I get it off.

Threaded studs that hold the chain bar on broke off, how do I replace them.

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If it is broken off at the saw, you need to get an ez out to remove it - follow the instructions with it. pretty unusual for both studs to break off at the same time. Hope this helps you, Rick

Posted on Apr 25, 2009


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I have an 07 Springer Classic and the handle bar clamp won't tighten. The bars are rolling down. I pulled one of the hold down bolts to put loc-tite on it, but then I couldn't get it to thread back in

If a bolt won't tighten enough to provide clamping force to hold the bars then loctite won't improve things. It would seem like the threads of either the bolt or bolt hole have stripped. A new bolt would cure the former but restoring female threads can be difficult - moreso if a really strong job is required for safety reasons. The best answer is to replace the component.

Drilling and tapping to the next oversize is the next best answer but if an oversize isn't possible a stud and nut will provide the answer, either by using a specially manufactured double-diameter stud or as a good "temporary" measure the stud can be set in the female with a good propriety machinery adhesive but the instructions must be followed to the letter, in particular ensuring the threads or what is left of them are thoroughly clean and grease-free.

Jun 25, 2016 | 2007 Harley Davidson FLSTSC Softail...

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I need a parts manual please bolts and studs that hold the chain and chain cover are stripped.

go google and type in-- parts manual for ( make and model not supplied )
if the bolts and studs are stripped then you will probably need thread inserts to make new threads for the bolts and studs , which you get from any good spare parts shops or tool stores

Jan 09, 2016 | Cars & Trucks

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The threaded sleeves for the studs that hold the guide bar are stripped. What can I do to repair them?

remove bad studs with stud extractor and replace with new ones ?? or maybe normal bolts ?? (if in engine housing )
or in a bind ive even rethreaded them to fine thread (assuming course was old thread) with a die and used std fine nuts on them as well .

if studs go in plastic case/frame then case needs to be disassembled and then studs press out other direction

Mar 16, 2015 | Garden

1 Answer

Thermostat broken stud

You can replace it. There are several types of screw extractors out there. They usually come with a drill bit for the correct size extractor. You will need to find out what size stud it is. Once you have determined that chose the appropriate size drill bit and extractor. Lowes or home depot carry them. Drill into the center of the broken stud. Be careful not to drill too deep as you might damage the thermostat housing. Once you have drill into the stud use the extractor to remove the broken stud. Napa auto parts or autozone should carry the stud size and length that you need. Purchase a stud and 2 plain nuts that match the thread of the stud. The nuts will be used to install the stud. Thread The stud into the thermostat housing. Once it is tight by hand stop. Thread the first plain nut onto the stud far enough so that you can get the second nut onto the stud and have a thread or two sticking out of the second nut. Once the two nuts are on the stud hold the first nut with a wrench and tighten the second nut tight against it. This will allow you to finish installing the stud. Once the nuts are tightened together, use a wrench (on the second nut only) to run the stud down into the thermostat housing. Do not overtighten the stud as you may crack the housing. Run the stud down into the housing unit the stud is the same height as the existing stud. Then use a wrench to hold the second nut and loosen the fist nut away from the second nut. Remove both nuts from the stud. You stud is now installed and you can reinstall the thermostat. If you have any questions you can email me at Good luck

Oct 25, 2012 | 1997 Nissan Maxima

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I am unable to get the bar and chain off of my Poulan Pro 260 42cc chainsaw because the stud for the clutch brake housing has broken loose inside the housing. When turning the clutch brake nut the clutch...

I ran into the same problem and I "cheated" my way through this. First of all, the thread is metric on the stud. Take an imperial nut and start to thread it on the stud. Don't force it, it will stop after half a turn. Now you hold the imperial nut with a socket or a wrench, and use a flat wrench to undo the other nut(the one that is stuck). It took me 2 minutes to remove it and no damage done at all.

Hope it helps

Jun 25, 2011 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

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I broke the two studs on my 2900 poulan after i adjusted my chain how do i remove the studs are they replacable

This is an IPL for a "2900 Gas Saw Type 4" (May not be your saw)
Item 44 are the bar bolts. Chainsaw thread (free to join)
Post 6 in this thread is quite good. I have seen a post that required repair of the casting (with photos) to repair but was not able to find it.

If the IPL I provided is not your saw you can find yours here:
The dash number of your serial number is the type.
If I can be of further help please reply below. I hope you found this helpful.

Jan 25, 2010 | Poulan Garden

1 Answer

How would I replace the bar hold down stud bolt in my Stihl MS 310 chain saw? Thanks.

At our dealership we replace the Bar studs with Heli-Coil and locktite for $20.

NOTE: Remove the old stud by double-nutting and screwing out of the case and marking the end that came out. Take it with you to NAPA and get the correct Heli-Coil size and a small tube of BLUE Loctite. (Might be cheaper to let the Stihl dealer do it)
Hope this helps!

Sep 27, 2009 | Garden

1 Answer

Lug stud

Here's another thought - if the stud isn't too badly stripped, you may be able to use a re-threading die to restore the threads. The thread type and size will depned on the make and model of your car. An autmotive parts store can usually help with this.

If you must replace the stud,

A bad stud can usually be driven out through the back of the axle flange. You said the stud was stripped. You can:

Force one of the lug nuts onto the stripped stud maybe two to three turns , then take a drift pin and drive the stud out the back. The stud will have grooves that hold it in place on the axle flange. You willl hhave to hold the stud head with vice grips and remove the lug nut to get the stud out.

To install a new stud, insert it from the back, add a little grease to the knurls (grooves) and pull it into place with a lug nut. The stud must be firmly seated in the axle flange.

Mar 28, 2009 | 1998 Pontiac Trans

1 Answer

Bar stud removal

only had one 20 years ago they were right hand nut side an left hand into block//used the two lock nuts tightened together to pull studs//like over tightening the lock nuts clockwise breaks stud threads loose ..install new same

Mar 16, 2009 | Homelite Consumer Products 9.0 Amp, 14 In....

1 Answer

Stripped bar stud

Many Sthil chainsaws have replaceable bar studs. The stud threads into the case. Go here:
look for part by model number, usually no more than a few dollars. Enjoy

Dec 20, 2008 | Garden

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