I've done it. The hardest thing is getting the cradle mount repositioned to get the bolts in. The bushing itself is easy. Put the car on stands or ramps (better) and use a floor jack under to support the motor while you unbolt things - the jack will help you move stuff around to get all the bolts re-threaded.
And....after it was all done, the new bushings appear to take up less space causing some play. This caused some noise for me in of itself.
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PGT is right on. Did mine as well. Getting to it is the hardest part. You will be shocked at how skinny the current bushing is. Also amazed me that besides the tranny mount there is very little holding the engine. I used a bottle jack and it worked perfectly. I might have step by step directions I found. I will check.
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agranger MINI of the Month June 2009Supporting Member
Hmmm... I've got to put in a new upper mount as well... mine decided to spew oil again. It sounds like it might be a good job to do at the same time.
If you can find those instructions, I'd appreciate it. I've done some searching and couldn't find a how-to anywhere. Perhaps I'll take some pics and get one posted if it all goes well.
So these are replacement bushings? Many of the powerflex bits are bushing augmentation (leave the original bush in place and add these new bits around it to fill in the holes and stiffen things up. By the shape of it, I was thinking that this would be an augmentation, not a replacement. -
You are correct Aaron, inserts. I will look for the DIY.
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Steve AdministratorStaff Member Articles Moderator
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Another thought...
you might want to replace the stocker when you put these suckers on. The stock rubber cracks over time.... If you're getting in there, might want to do it all at once.
Matt -
AliceCooper Club Coordinator
If you do find a DIY on this that would be tits, I have these bushings sitting out in the garage as well. -
agranger MINI of the Month June 2009Supporting Member
I just got back in from 3 hours or so out in the garage, replacing the upper oil-filled engine mount (you know... the one that spluges oil all over the frame rail near the serpentine belt every 25k miles or so but that MINI refuses to acknowledge as a design fault
) and installing these transmission mount stiffeners. I strongly recommend not doing this when it is 100 degrees outside!
I took pics along the way and I'll try to do a write up in the library in the next week on how to install the stiffeners. I'd guess that I could do it in an hour and a half the second time. I spent most of my time struggling to get the engine lifted over the new oil-filled damper... the transmission mount was fairly easy... just fussy, moving all of the bits out of the way so you could remove the bracket and fit the inserts. -
Way Motor Works New Member
They are pretty simple.
Remove airbox
unbolt fuse box and set aside
Support trans with jack
remove 16mm bolts holding trans mount to body and rubber mount.
Install inserts and use pliers to squeeze them in place.
Then reinstall everything in reverse order. -
agranger MINI of the Month June 2009Supporting Member
A how-to with 15 or so pics has been posted in the library!
Link: http://www.motoringalliance.com/library/1st-generation-mini-cooper-how-to-3/powerflex-transmission-mount-bushing-install-w-upper-engine-damper-replacement-82/
The article shows how to replace the upper engine mount (with OEM equipment), how to install the Powerflex Transmission bushings or how to do both at the same time! -
Steve AdministratorStaff Member Articles Moderator
Thanks Way and well done Aaron!
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BThayer23 Well-Known Member
Thanks Aaron for the clear and concise write up. Illustrative, well lit pics are always helpful.
In Step 17, part #5 is an E12 bolt, aka external torx, aka female torx, aka reverse torx. When I installed my urethane uppper mount, the instructions from TSW said it was a one-time use bolt with a torque to yield spec. The bolt should be torqued to 41 ft-lbs, plus an addition 90* of rotation. -
AliceCooper Club Coordinator
Excellent Job Agranger ! I needed this.
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Mr. Jim MudsharkLifetime Supporter
Nice write up and thanks!
Mr. Jim -
agranger MINI of the Month June 2009Supporting Member
As you guys do your installs, feedback and modifications for future modders would be greatly appreciated!
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agranger MINI of the Month June 2009Supporting Member
It feels a bit firmer, but if someone had snuck into the garage and done the work without my knowing, I probably wouldn't have realized it.
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agranger MINI of the Month June 2009Supporting Member
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ScottinBend Space CowboySupporting Member
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