Currently awaiting RAC.... drive belt snapped - MINI Cooper Forum
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post #1 of 28 (permalink) Old Mar 11th, 2018, 06:55 PM Thread Starter
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Currently awaiting RAC.... drive belt snapped

Hi guys was just driving along and my auxillary belt (supercharger belt) has snapped.... Tis a gates belt and has done less than 1000miles.... What could have caused it to snap prematurely?? Amd could it have done damage? Thanks for your help, Jon

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post #2 of 28 (permalink) Old Mar 11th, 2018, 07:17 PM
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Hi guys was just driving along and my auxillary belt (supercharger belt) has snapped.... Tis a gates belt and has done less than 1000miles.... What could have caused it to snap prematurely?? Amd could it have done damage? Thanks for your help, Jon

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might be supercharger bearing broken up locked up the pulley. gates belts are one of the best


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post #3 of 28 (permalink) Old Mar 12th, 2018, 01:08 PM Thread Starter
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Hi Guys, thanks for the replies.... I ended up getting the mini towed home The RAC Guy noticed that one of the bolts on one of the pulleys had come loose (was hanging out) so assuming thats the problem.... my one concern is as i lost power.... i pulled into a pub and as i pulled in the temp gauge went from in the middle to almost at the top as i coasted into a space.... could this have done the head gasket? when i opened the bonnet the radiator was cold to the touch the coolant tank was stupid hot........

anyway, i want to replace the belt, and im hoping to do it myselt (ive always paid a garage to do it but fancy having a go)

so im looking at this belt https://www.ebay.co.uk/itm/GATES-6pk...gAAOSwwE5WatkK

this tool https://www.ebay.co.uk/itm/Drive-fan...UAAOSwCJxaIYOB

and them im not sure whether to change the tensioner (not sure if its damaged or not yet) if it is i will replace for this https://www.ebay.co.uk/itm/Gates-V-R...4AAOSwAAVZb5W-

if its not the is it worth getting something like this https://www.ebay.co.uk/itm/Adjustabl...4AAOSwAtFZbx0-

thanks for your help guys,

Jon

P.s. the cars a 2006 Mini Cooper S

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post #4 of 28 (permalink) Old Mar 12th, 2018, 01:48 PM
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Ahhh Jeez man.....

Bad news johnny :/ ...... hope its an easy fix for you bro.

I am too green to answer any of the above....but you have my sympathy weaving its way over.

P

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post #5 of 28 (permalink) Old Mar 12th, 2018, 01:58 PM Thread Starter
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Ahhh Jeez man.....

Bad news johnny :/ ...... hope its an easy fix for you bro.

I am too green to answer any of the above....but you have my sympathy weaving its way over.

P
HAHAHAH Cheers buddy, hoping its not to bad.... don't think it has done damage (but knowing my luck it has!)

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post #6 of 28 (permalink) Old Mar 14th, 2018, 12:35 AM
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Think yourself lucky you didn’t have to wait the 20 hours for the RAC to pitch up that a Porsche owner had to wait on Saturday on the M25........

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post #7 of 28 (permalink) Old Mar 14th, 2018, 01:37 AM
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Think yourself lucky you didnít have to wait the 20 hours for the RAC to pitch up that a Porsche owner had to wait on Saturday on the M25........
Must be hard being a Porsche owner.

My sympathies Johnny you seem to be getting all the usual probablems all in your one Mini.

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post #8 of 28 (permalink) Old Mar 18th, 2018, 05:45 PM Thread Starter
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Hi guys, thought I would have a go at changing the belt.... the bolt holding the crankshaft pulley in was completely out (pulled it out by hand) the tensioner has hit into the pulley (no damage that I can see) the problem is though that the pulley is sticking out around an inch so needs pushing on... how can I do this?? I tried tightening the bolt bit it just turns and is not grabbing (which worries me a bit although the thread of the bolt is perfect) what I want to do is push the pulley on and tighten the bolt (If I can) if I can't I assume it will need a helicoil? Man life sucks

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post #9 of 28 (permalink) Old Mar 18th, 2018, 06:22 PM
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Hi guys, thought I would have a go at changing the belt.... the bolt holding the crankshaft pulley in was completely out (pulled it out by hand) the tensioner has hit into the pulley (no damage that I can see) the problem is though that the pulley is sticking out around an inch so needs pushing on... how can I do this?? I tried tightening the bolt bit it just turns and is not grabbing (which worries me a bit although the thread of the bolt is perfect) what I want to do is push the pulley on and tighten the bolt (If I can) if I can't I assume it will need a helicoil? Man life sucks

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need a puller to remove bottom pulley clean it oil it then tap it back on again i would say, as need to know whats behind it and that the bolt will hold when you do get it on below link is brand new pulley look at pics ,
https://www.ebay.co.uk/itm/CRANKSHAF...gAAOSwSQFaDVSz

as for the bolt i would never use the bolt under force to pull one on with rubber mallet block of wood and big hammer spray with wd40 maybe carefully heat it but mind the oil seal,,, i know thise pulleys are the mother of all jobs when they will not pull off the end of crankshaft,, if threads are nailed in crank threads coils are only cheap answer

https://www.ebay.co.uk/itm/88-Piece-...QAAOSwqfZacYsh

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post #10 of 28 (permalink) Old Mar 18th, 2018, 07:39 PM Thread Starter
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Originally Posted by mike1967 View Post
need a puller to remove bottom pulley clean it oil it then tap it back on again i would say, as need to know whats behind it and that the bolt will hold when you do get it on below link is brand new pulley look at pics ,
https://www.ebay.co.uk/itm/CRANKSHAF...gAAOSwSQFaDVSz

as for the bolt i would never use the bolt under force to pull one on with rubber mallet block of wood and big hammer spray with wd40 maybe carefully heat it but mind the oil seal,,, i know thise pulleys are the mother of all jobs when they will not pull off the end of crankshaft,, if threads are nailed in crank threads coils are only cheap answer

https://www.ebay.co.uk/itm/88-Piece-...QAAOSwqfZacYsh
Lovely thanks for that, the pulley that's on there is only a few months old so don't think I need to replace it? Will get some wood and a hammer on it and see if it taps on.... hopefully that will work!

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post #11 of 28 (permalink) Old Mar 19th, 2018, 09:48 AM
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Lovely thanks for that, the pulley that's on there is only a few months old so don't think I need to replace it? Will get some wood and a hammer on it and see if it taps on.... hopefully that will work!

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i put that link on so you could get a idea of whats behind it as such, i'm amazed it cam off that much as they are so hard to remove with the pulley, i bought a special clawed puller and its so bent from removing those pulleys that never want to come off the crankshaft fixing. might be good idea put some blue thread lock on the bolt when put it back in this will stop it from repeating the problem..
https://www.ebay.co.uk/itm/Loctite-2...8AAMXQrNtR3TY8

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post #12 of 28 (permalink) Old Mar 19th, 2018, 01:11 PM Thread Starter
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Originally Posted by mike1967 View Post
i put that link on so you could get a idea of whats behind it as such, i'm amazed it cam off that much as they are so hard to remove with the pulley, i bought a special clawed puller and its so bent from removing those pulleys that never want to come off the crankshaft fixing. might be good idea put some blue thread lock on the bolt when put it back in this will stop it from repeating the problem..
https://www.ebay.co.uk/itm/Loctite-2...8AAMXQrNtR3TY8
Perfect, I have some loctite so will add that, i've also ordered a puller so will take the pulley off give it an examination and refit it (probably break as its only a cheapy). would like to order a new bolt but cant find one tbh the bolt looks fine and isn't that old anyway

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post #13 of 28 (permalink) Old Mar 19th, 2018, 01:41 PM
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Perfect, I have some loctite so will add that, i've also ordered a puller so will take the pulley off give it an examination and refit it (probably break as its only a cheapy). would like to order a new bolt but cant find one tbh the bolt looks fine and isn't that old anyway
with loctite on the bolt it will be good to go again as the bolt holds the pulley and dont hold any timing chain timing like the later prince engines do,,
little advice with pulley if pulley dont want to budge i always put a load of pressure on pullet centre bolt then use a solid iron bar to rest on pulley near the bolt flange and hit it with hammer the shock should move it,, seen some people spends hours and broken pullers before trying to remove them, when a good hard shock gets it moving

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post #14 of 28 (permalink) Old Mar 24th, 2018, 05:16 PM Thread Starter
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Ok so tried to remove it today and it's not coming off.... on top of that I think I've damaged the pulley (hole where the bolt goes through shredded a bit) and also where the tensioner has hit has also damaged it (I can't see any damage but can feel it)..... I have the new bolt, now need a new pulley, and I still think it needs to be helicoiled or similar might be easier to put a new engine in!! Gonna get a mobile mechanic to come out and do it as I'm not clever enough thanks for your helps guys, Jon

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post #15 of 28 (permalink) Old Mar 25th, 2018, 06:41 AM
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Ok so tried to remove it today and it's not coming off.... on top of that I think I've damaged the pulley (hole where the bolt goes through shredded a bit) and also where the tensioner has hit has also damaged it (I can't see any damage but can feel it)..... I have the new bolt, now need a new pulley, and I still think it needs to be helicoiled or similar might be easier to put a new engine in!! Gonna get a mobile mechanic to come out and do it as I'm not clever enough thanks for your helps guys, Jon

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the other way around the thread is to recut thread 1mm larger and fit a bolt to suit cheaper than new engine by a lot and should take a hour to do, you will need the special pulley, below link for cheap puller,, as said before put loads of pressure on the puller bolt and use a solid bar and lump hammer to shock the pulley,, might need a bit of heat, if need head a crankshaft oil seal would be a good thing to change, in fact i would change anyway as its done then,
https://www.ebay.co.uk/itm/crank-whe...8AAOSwyQtV0llw

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