Wheel Bolt Snapped In Hub!!!! CLK 430

[gworilla]

Just been to have my new tyres fitted. When the fitter removed the offside front, one of the bolts sheared and left the remaining half of the bolt stuck in the hub.

They stated that someone must have over-tightened the bolts the last time the wheels were removed.

Does anyone have a stud extractor in the East Midlands or a better method of removing these bolts as driving around with only 4 bolts in is not something I enjoy!!

Also, does anyone have any spare bolts they wish to sell me?

Thanks

 

[hmang]

if the broken part of the bolt is in there tight enough to snap the bolt then prob a stud extractor alone will not get it out.

the stud is prob seized in there as it can't be tight against anything...there's nothing for it to bottom to.

whatever happens you do not want to snap a stud extractor off in the hole... they are hardened and you wont be able to drill it out.

my suggestion is a bit long winded but worth the effort
1/
see your snap on or mac tools man and get a PARRALEL internal stud extractor suitable for the size of stud.
they usually come in kits of various sizes but you should be able to buy just the one.

don't bother with tapered extractors
2/
remove the wheel, disc, hub and then take the bearings out if the hub.
put hub in vice
3/
flat the end of the stud with afile or grinder and centre pop the face
4/
drill the broken stud to the appropriate size for the extractor
5/
heat up the area of the hub around the stud till its flipping hot.
oxy is best but decent blowtorch should work, just try to keep the heat local.
6/
fit the extractor while the heat is still high and try get movement on the stud.

once moving, some lube wd40 might help BUT remember the hub is hot and wd40 could ignite...at the very least it will smoke a lot so be prepared.

if you don't fancy all that , take the hub to your mech who will be able to do it easily off the car.
he' prob got the kit any way and will just charge for the time.


i just reread your post and noticed you did'nt say how much stud is sticking out of the hub.
if it has boken flush or almost, then go with the above,but if there's is a good bit sticking out then have a crack with an external stud extractor or even a good set of moles.

heat will always help but take it off the car and remove bearings and seals
good luck with it

 

[kebo57]

Hi how is the sheered bolt progressing
What options are you considering at present
I am approx 100 miles away
I / we can remove this bolt
Manufacture new bolt
Kevin

 

[gworilla]

Hi how is the sheered bolt progressing
What options are you considering at present
I am approx 100 miles away
I / we can remove this bolt
Manufacture new bolt
Kevin

I am considering all options at present, but ultimately one that can we give me the best resolution in the quickest time.

I note you are in Lancashire so maybe a tad to far for me to travel, but thanks for the solid offer.

Worst case scenario, I take the vehicle into my main dealer who should have the necessary equipment to do this (I hope!!)

 

[psmart]

A simpler method is to get a 2nd Hand hub or buy new, then take it into your local mechanic to change.

I had this happen a while back on my Fiat, the bolts went into the brake disk and one sheared, so the easiest solution was to take the disk off and buy a new disc as these are relatively cheap and commonplace and do wear out, so maybe replacing it is a cheaper method.

 

[gworilla]

My mate just rang to tell me that he can weld some material on the end of the sheared bolt, which will then enable him to remove the remainder of the bolt from the hub.

Quoted me £10-£15, so I'll see what happens. After all nothing to lose I guess.

Here's hoping!!!!

 

[hmang]

My mate just rang to tell me that he can weld some material on the end of the sheared bolt, which will then enable him to remove the remainder of the bolt from the hub.

Quoted me £10-£15, so I'll see what happens. After all nothing to lose I guess.

Here's hoping!!!!

this is a common way to get snapped studs out.
a large nut is welded to the stud by filling in the hole. you can then undo with a spanner.

get a handful of nuts as the 1st go doesn't always get enough heat into the job and the nut will snapp off.

again though mate ...the heat from welding could affect the bearings and seals...best remove them for the sake of a little extra effort

 

[gworilla]

Just to say that the severed wheel bolt was removed. Once the wheel was removed, the disc taken off, etc etc a nut was able to be welded onto the bolt and hence could be removed.

On the premise that some of the other bolts may be "fatigued", I have just been down to Mercedes and purchased 16 new bolts (just in case). However, the bolts are smaller in length. I asked the service manager why this was and he advised that the original bolts were too long and were breaking off (I know that now!!) so a decision was made to reduce the shank length.

I also asked about whether the locking wheel bolt should be torqued at a lower setting to the rest (110Nm). The answer was "No" the torque setting is the same for the locking bolt as what is is for the remainder.

Anyhow alls well that ends well.

 

[television]

Congratulations, thats good news