selectcase Posted December 16, 2006 Share Posted December 16, 2006 Any suggestions on how to remove a stubborn timing belt crank cog - the damper came of no problem but the gog just wont shift and you cant get benind it to prize it off also the bolt hols in it are a funny size any advice gratefully recieved cheers will Quote Link to comment Share on other sites More sharing options...
western Posted December 16, 2006 Share Posted December 16, 2006 Workshop manual doesn't state the thread [bolt] size, just says use a puller [special tool], last time I took my crank timing gear off, I just careful levered it between the rear face & timing case. Quote Link to comment Share on other sites More sharing options...
GBMUD Posted December 16, 2006 Share Posted December 16, 2006 Try giving it a tap with a copper hammer/wood back ON to the crank. This may break the muck/misplaced Loctite holding it in and allow it to be removed. Do not hit it hard. As said, there is nowt holding it there and it should come off easily, mine did and IIRC Bish's did too. Chris Quote Link to comment Share on other sites More sharing options...
selectcase Posted December 16, 2006 Author Share Posted December 16, 2006 I have tried levering as much as i dare, lots of penetrating oil over a couple of days, hitting with a mallett and a little heat but to no avail so far - looks like i might have to get the timing kit and puller from difflock Quote Link to comment Share on other sites More sharing options...
miketomcat Posted December 16, 2006 Share Posted December 16, 2006 I have tried levering as much as i dare, lots of penetrating oil over a couple of days, hitting with a mallett and a little heat but to no avail so far - looks like i might have to get the timing kit and puller from difflock the threads are M6 or M5 can't remember off hand but is definatly metric i made a puller using a bit of plate a nut and blot through the middle to push on the crank bolt but it still took 3 hours to get it off so don't expect it to be a quick job mike Quote Link to comment Share on other sites More sharing options...
selectcase Posted December 17, 2006 Author Share Posted December 17, 2006 OK Cheers - i think it must be m5 - i will check Quote Link to comment Share on other sites More sharing options...
Les Henson Posted December 17, 2006 Share Posted December 17, 2006 I'm pretty sure it's M5 coarse thread, although Tonk will say different. . A puller is quite easy to make with a bar, 2x6mm holes through it, and then a couple of long bolts. Just turn each one progressively and hit the plate or bar with a hammer to shock the sprocket into moving. If the bolts feel looser after hitting the bar with a hammer, then you know it's moving. Les. Quote Link to comment Share on other sites More sharing options...
Tonk Posted December 18, 2006 Share Posted December 18, 2006 they are M6, worst case i've come across is i had to cut through the gear with a grinder to get it to move, care needed not to kill the crank of course. or you can grind two grooves in the side of it and use a normal puller. Quote Link to comment Share on other sites More sharing options...
selectcase Posted December 18, 2006 Author Share Posted December 18, 2006 Sorted it the pully had 3x m5 holes so i bought some threaded bar and made a puller - still had to use some gentle heat to help ease it off though Quote Link to comment Share on other sites More sharing options...
Les Henson Posted December 18, 2006 Share Posted December 18, 2006 M5!! I bluddy knew Tonk was wrong! Les. Quote Link to comment Share on other sites More sharing options...
Tonk Posted December 20, 2006 Share Posted December 20, 2006 M5!! I bluddy knew Tonk was wrong! Les. ah cr@p, happens occassionally thats probably why i reached for the grinder Quote Link to comment Share on other sites More sharing options...
JST Posted December 20, 2006 Share Posted December 20, 2006 Will, if in doubt give me a shout have access to a puller although a little late now...... but you can always ask Quote Link to comment Share on other sites More sharing options...
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