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Timing belt

Posted: Thu Jun 07, 2018 6:49 pm
by Rosco59
Hi the spline part of the timing belt tensioner has been rounded off. Any ideas how to get it off. Thanks

Re: Timing belt

Posted: Thu Jun 07, 2018 7:23 pm
by Paul G
Molegrip.

Re: Timing belt

Posted: Thu Jun 07, 2018 9:42 pm
by Rosco59
Hi Tried molegrips still wouldn’t move. Thanks

Re: Timing belt

Posted: Fri Jun 08, 2018 8:17 am
by Paul G
Make sure you've got good quality 8 or 9" grips at a miniumum - I use Irwin vice-grips as i've found the crappy Draper ones just twist and don't always grip very well.

Another trick to try is to get a large engineers hammer and give the face of the bolt (where the splines are) a couple of good hard hits. Make sure you are accurate in doing this and that the hammer face is exactly square when hitting the splined bolt. This should send a shock down the bolt and free whatever is causing it to stick.

Failing this you can try heating the bolt where the thread goes into the head with a blow torch but try and keep the heat local to the bolt or finally cut the head off the bolt with a grinder, remove the spring and timing belt, then use a stud extractor to undo it.

Re: Timing belt

Posted: Fri Jun 08, 2018 12:46 pm
by Not_Anumber
If all else fails mig weld an old bolt or other chunky bit of metal to it at a convenient angle so you would be able to put some force on it to undo.

Re: Timing belt

Posted: Fri Jun 08, 2018 4:30 pm
by Rosco59
Thanks for the reply’s I ended up hitting a 19mm socket on and it came no problem.