Drivetrain (Cooper S) MINI Cooper S (R53) intakes, exhausts, pulleys, headers, throttle bodies, and any other modifications to the Cooper S drivetrain.

Drivetrain Pulley replacement question

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Old Jun 27, 2010 | 06:48 PM
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Pulley replacement question

Has anyone removed the stock SC pulley with anything other than an actual SC Pulley Remover tool?
 
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Old Jun 27, 2010 | 06:55 PM
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Rent the tool for the $50 or so bucks, and save yourself the headache. I rented mine from DetroitTuned.com and it worked beautifully !!

You dont have much room to work with once the motor is in position, and the dedicated pulley pullers take zero room, plus you get a good grip on the pulley without much chance in damaging the snout on the s/c.
 
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Old Jun 30, 2010 | 08:00 AM
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i'm trying out a regular gear puller tool this evening, and made a pot about this at almost the same time as you... so far everyone says the same thing: "rent the tool". which i am now rebelling against. I'll post on how it goes
 
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Old Jun 30, 2010 | 08:19 AM
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If you purchase the pulley from us you get to rent the puller for free (deposit required)!
 
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Old Jun 30, 2010 | 08:22 AM
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no offense to the vendors(i've got a free tool rental from way if this doesnt work), but I think the mini community needs to know... can it be done without magic special tools?... i really dont think its that much of a "special application"...
 
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Old Jun 30, 2010 | 08:29 AM
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Originally Posted by ggcadc
no offense to the vendors(i've got a free tool rental from way if this doesnt work), but I think the mini community needs to know... can it be done without magic special tools?... i really dont think its that much of a "special application"...

This has been hashed out before and is nothing new. Of course you can use a standard puller. The problem you will face is that the frame will be in the way if you leave the SC on the car. However, if you remove the SC you can do it that way. Other people have cut the pulley off as well. This is nothing new... That being said, the easiest way is to leave the SC in and use a puller that was designed for the job. Having done about 50 pulleys I can tell you that it is worth getting a proper puller to do it.
 
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Old Jun 30, 2010 | 08:40 AM
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Originally Posted by daflake
This has been hashed out before and is nothing new. Of course you can use a standard puller. The problem you will face is that the frame will be in the way if you leave the SC on the car. However, if you remove the SC you can do it that way. Other people have cut the pulley off as well. This is nothing new... That being said, the easiest way is to leave the SC in and use a puller that was designed for the job. Having done about 50 pulleys I can tell you that it is worth getting a proper puller to do it.
LOL!! I just typed out almost the EXACT response Good reply! PS Jinx u owe me a coke.
 

Last edited by ALTA_Jarid; Jun 30, 2010 at 08:41 AM. Reason: guy before me posted same resonse :)
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Old Jun 30, 2010 | 08:48 AM
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seriously ive done it before with the supercharger installed ! you just need to lift the engine high enough

but the sc pulley removal tool should always be the first choice !
it can be done with a simple 3 arm puller... but sometimes ( especially if the car is older ) the pulley wont budge with a 3 arm puller...
 
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Old Jun 30, 2010 | 08:53 AM
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Originally Posted by ALTA_Jarid
LOL!! I just typed out almost the EXACT response Good reply! PS Jinx u owe me a coke.
Thanks!

I should add this... Jack that SC shaft up and you will regret not spending the few bucks for the puller. New super chargers are not cheap and parts are rare.

As mentioned above, I have cut one off. It is not fun at all!!!!! In my case it was a late model 06 and the pulley felt like it was welded on.
 
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Old Jun 30, 2010 | 08:53 AM
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daflake, thanks for chiming in, i'm glad to finally hear from someone who has done the job more than once. guess i'll find out how much room there is once i get to that point tonight, from the photos ive seen a two prong puller should fit and do the job... maybe i'm wrong, but I've got a hacksaw as a last resort

edit, just saw the dye grinder, that's probably a better idea... nice
 
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Old Jun 30, 2010 | 08:58 AM
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i also want to add that if the engine needs to be jacked up anyhow and the tensioner removed(so i can put the stop on it) also, , , I dont anticipate and issues getting the puller on there with room to crank it.
 
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Old Jun 30, 2010 | 08:59 AM
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Originally Posted by ggcadc
daflake, thanks for chiming in, i'm glad to finally hear from someone who has done the job more than once. guess i'll find out how much room there is once i get to that point tonight, from the photos ive seen a two prong puller should fit and do the job... maybe i'm wrong, but I've got a hacksaw as a last resort

edit, just saw the dye grinder, that's probably a better idea... nice
Good luck... The two prong puller probably won't do it. I have seen the three prong pullers bend the pulley up. It really just depends on how tightly your pulley is fitted. Mine popped right off but others required a lot more, shall we say, "enticing". Hacksaw was used at one point but moved on to power tools later.

Keep us posted.
 

Last edited by daflake; Jul 1, 2010 at 06:27 AM.
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Old Jun 30, 2010 | 09:01 AM
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Equals


Be careful if you are going to try this...Those sparks go everywhere!!
 
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Old Jun 30, 2010 | 09:03 AM
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that they do ( try to cover the engine bay as good as possible ! )
 
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Old Jun 30, 2010 | 09:04 AM
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not sure something like a dye grinder should go near my sc shaft on second thought... but my puller is made of thick carbon steel with locking arms. besides, it's made in china, what could go wrong??
 
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Old Jun 30, 2010 | 09:06 AM
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REAL QUESTION.... Does anyone know the size of the threads on the end of the SC shaft??? I need to pick up a bolt to protect that end....

i know theres a bolt included with the special tool i'm so daftly avoiding
 
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Old Jun 30, 2010 | 09:16 AM
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i just used one laying around
i think it was M8... ( not exactly sure about that... )
 
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Old Jun 30, 2010 | 09:21 AM
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m8 sounds about right, i'll just pick up a few, dont have anything laying around that would work...

theres no specs on realoem about our SC.... cant even seem to find anything but the JCworks one....
 
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Old Jun 30, 2010 | 10:40 PM
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ok, welp, i've got a bent up sc pulley and a non-working car at the moment, will post the video tomorrow morning and start lookinf for the fastest tool available(needs to be alta style bolt around as i've damage the pulley)... any advice for getting a tool ASAP in San Diego, CA??? dont seem to have a whole lot of places in CA for miniparts...
 
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Old Jul 1, 2010 | 05:00 AM
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Depending on how badly the pulley is bent, it is likely that a puller won't fit on there now. You will likely have to cut it off at this point.
 
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Old Jul 1, 2010 | 06:02 AM
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Originally Posted by daflake
Depending on how badly the pulley is bent, it is likely that a puller won't fit on there now. You will likely have to cut it off at this point.
WOW...just saw this thread....maybe somebody should have mentioned it to him sooner that the mini pulley puller would not work if the ribs or edges of the pulley was mangled.....

Sounds like it is time to cut if off...............
 
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Old Jul 1, 2010 | 06:30 AM
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He could either cut it off or pull the SC and see if he can fashion a better puller. Either way, the labor just went up.
 
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Old Jul 1, 2010 | 06:41 AM
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well, it is bent up pretty bad, but it bends like butter, my thought is instead of cutting (which was discussed) we can bend back where is it damaged to fit the tool as not to damage the shaft.
 
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Old Jul 1, 2010 | 07:38 AM
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The pulley puller is a CNC machined negative of the pulley....
so it is very unlikely you can unbend it.....
Some pullers only use half the pulley or so....so you still might get lucky....
Hate to say the obvious....if the universal tools worked, specialized tools would never had been made....gen1 Mini's have been getting pulleys for the better part of a decade....and using the "universal pulley puller" has NEVER turned out well. Just remember, the shaft itself is connected to oil seals, gears, etc, so try not to beat on the pulley too much...or you might need an overhauled SC....they start at about $800+, plus the down time and labor to remove+reinstall, and the time to wait for the overhaul....
You might want to consider getting the car towed to someplace that will fix "basket cases" or have a guy who is VERY hand with tools and grinders come over to help you out....a few $$, and maybe a case of beer might do the trick (cheaper than the tow maybe).
 

Last edited by ZippyNH; Jul 1, 2010 at 07:52 AM.
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Old Jul 1, 2010 | 07:47 AM
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Beer always lured me over... Of course he would need a plane ticket as well.
 
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