Tips for Removing Crank Sprocket?
28 January 2003, 08:55 AM
#6
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Dizzy - and here's me thinking this was a technical forum! 
To be honest, you're probably right! Seems a shame to admit defeat just because something's stuck on that might just require a) gentle pursuasion (brute force!) or b) a special tool to remove.
Andy
To be honest, you're probably right! Seems a shame to admit defeat just because something's stuck on that might just require a) gentle pursuasion (brute force!) or b) a special tool to remove.
Andy
28 January 2003, 11:46 AM
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I've never done this myself but I've heard it's possible to do it with a breaker bar and turning the engine over (crank sensor unplugged of course).
Perhaps someone else has tried this?
Andrew...
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28 January 2003, 02:18 PM
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Soak the offending bolt in spray oil. Leave it for a day, then have another go. It is surprising just how much this helps.
I've taken crank bolts out before now by putting the car in a high gear and getting an assistant to push the brakes (hard). Then levering with a long bar or using an impact wrench.
Another way is to lock the ring gear on the flywheel with something. (I used a broken starter motor gear and a 6 foot bar
on a Montego once)
Neither of these have been tried on my Scoob!!!
AndrewC's way would worry me a bit, as I don't like getting too close to big bits of whirling metal!
[Edited by dnb - 1/28/2003 2:19:56 PM]
I've taken crank bolts out before now by putting the car in a high gear and getting an assistant to push the brakes (hard). Then levering with a long bar or using an impact wrench.
Another way is to lock the ring gear on the flywheel with something. (I used a broken starter motor gear and a 6 foot bar
on a Montego once)Neither of these have been tried on my Scoob!!!
AndrewC's way would worry me a bit, as I don't like getting too close to big bits of whirling metal!
[Edited by dnb - 1/28/2003 2:19:56 PM]
28 January 2003, 02:51 PM
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I think the idea is to anchor the breaker bar against the chassis somehow, not holding on to it.
I said I've never tried it.
Andrew...
PS. I've just had this vision of someone flying across the garage holding onto a 3 foot long bar whilst someone else turns the starter key
I said I've never tried it.
Andrew...
PS. I've just had this vision of someone flying across the garage holding onto a 3 foot long bar whilst someone else turns the starter key
28 January 2003, 04:20 PM
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have you not finished that yet m8
i assume you have got the aircon/alternator pulley off. for the crank sprocket you need a flywheel puller. you can hire them from the hire shop. job done.
stu.
i assume you have got the aircon/alternator pulley off. for the crank sprocket you need a flywheel puller. you can hire them from the hire shop. job done.
stu.
28 January 2003, 08:34 PM
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Thanks for the info guys, but I've already got the crank pulley off (actually it almost fell off! 
).
Stu,
No, not had time yet - bit chocker with work and other stuff at the moment. Luckily got another car to use but must get Scoob back on road soon! Thanks for the info, I was pondering how to make a tool to extract the offending pulley, but a flywheel puller sounds just the job. Do you think HSS or toolmart would have one?
Will keep you posted,
Cheers,
Andy
).Stu,
No, not had time yet - bit chocker with work and other stuff at the moment. Luckily got another car to use but must get Scoob back on road soon! Thanks for the info, I was pondering how to make a tool to extract the offending pulley, but a flywheel puller sounds just the job. Do you think HSS or toolmart would have one?
Will keep you posted,
Cheers,
Andy
28 January 2003, 11:31 PM
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andy,
im confused now. the aircon/powersterring crankshaft pulley comes off first, then the plastic cover and then the crank sprocket.
you need a special tool to stop the crank turning when you loosen the 22mm bolt to take the crank pulley off and then a puller (maybe) to get the crank sprocket off.
im confused now. the aircon/powersterring crankshaft pulley comes off first, then the plastic cover and then the crank sprocket.
you need a special tool to stop the crank turning when you loosen the 22mm bolt to take the crank pulley off and then a puller (maybe) to get the crank sprocket off.
29 January 2003, 12:14 AM
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use a couple of pry bars but make sure you do not break the crank sensor pick-up lugs off.I am guessing the timing belt is off,as is the crank bolt and pulley,the toothed sprocket will just be rusted onto the shaft.
I take it you are doing the oil seal?
I take it you are doing the oil seal?
29 January 2003, 03:08 AM
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T-UK - no not doing seal, but trying to get other half of mangled/snapped woodruf key out so I can replace it and then but the crank pulley back on.
Stu/Kipax - I'm a bit confused too with all the advice on how to get the crank pulley off. I have actually got the crank pulley off and I just need to budge the crank sprocket to extract the old snapped woodruf. I'm gonna take you advice and try to get an extractor tool for this.
Everyone else - Thanks for the info anyway. (It's a bit like a bus - wait ages for some advice and shed loads come along including stuff you don't need )
Stu/Kipax - I'm a bit confused too with all the advice on how to get the crank pulley off. I have actually got the crank pulley off and I just need to budge the crank sprocket to extract the old snapped woodruf. I'm gonna take you advice and try to get an extractor tool for this.
Everyone else - Thanks for the info anyway. (It's a bit like a bus - wait ages for some advice and shed loads come along including stuff you don't need
)
29 January 2003, 09:51 PM
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... a couple of pry bars works to start ... then I used a three leg puller ... but bent some steel to shape instead of the normal legs so that it would grip in the small gap behind the sprocket .. i did break the lugs .. but the sprocket is about 20 quid + vat from Subaru .... b*st>rd of a job ... do the oil seal while you are there! good luck
29 January 2003, 11:18 PM
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Did my cambelt a couple of months ago on a 94 WRX easy peasie... Uses a U bolt in the two holes and a bar through the loop and had my son (14) hold the bar (it was a 18in cold chisel) whilst I applied the ignorance to the bolt.. No problemo The whole job took about 5 hours including rad removal and flushing etc...
[Edited by ibm380d - 1/29/2003 11:20:45 PM]
[Edited by ibm380d - 1/29/2003 11:20:45 PM]
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