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Re: Clutch Replacement - doing it yourself??? (archive)

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Posted by Bob ///M3 on April 27, 2000 at 11:03:53:

In Reply to: Clutch Replacement - doing it yourself??? posted by Steven on April 27, 2000 at 08:52:02:

I hope you have access to a hydraulic lift where you can get the car at proper height above the ground and actually stand under the car. You should also have a transmission stand to help with lowering, raising and positioning the transmission. Another set of hands will come in very handy from time-to-time for handing tools and strength for manuvering.

Not knowing what mechanical experience you have or tools you own (or have access to), it's hard to suggest what you need to study up on or what tools may be needed that you don't already have.

As for re-surfacing the flywheel, some suggest it be done and others don't. I would get it checked for trueness and look for any gouges or hot spots and then determine whether it should be re-surfaced or replaced. If you do elect to have it re-surfaced, make sure the machine shop turns it the very minimum depth possible. Make whatever passes are necessary but not cutting very deeply with each pass so it will be as smooth as possible. He should also buff the newly re-surfaced flywheel so as not to unnessarily wear the new clutch facing.

The Bentley service manual is not very good in my opinion. It lacks a tremendous amount of important information that should be in a "service" manual. I haven't looked at the section covering clutch replacement so I hope it's better than some of the other sections.

Good luck!

Bob ///M3


: I have decided to replace the clutch in my 97 M3 myself (it slips during spirited driving). I have ordered the following OEM parts:

: Clutch Disk
: Pilot Bearing
: Pressure Plate
: Throwout Bearing
: Release Fork

: I also have purchased the Bentley E36 service manual
: and read and re-read the steps required to complete
: this job. I know that I am going to have to remove the exhaust system and heat shields, driveshaft, and transmission. I have several questions to anyone who
: may have performed this job on their M3.

: Tools: I know I will need a clutch centering tool.
: Where is best place to purchase this?
: What other special tools will I need?

: Parts: Is the list I provided above complete?

: Flywheel: Can it be resurfaced? I am hoping that this
: step won't be necessary. If it is, where can
: I send it to be re-surfaced and re-balanced.
: I spoke to a BMW mechanic locally, and he
: said that no-one in my area does this and
: that it would need to be sent off for this
: work to be done. Anyone had to re-surface
: their flywheel? The Bentley manual says to
: replace the flywheel, but the mechanic
: assured me that it can be resurfaced. I
: priced the OEM flywheel and it is around
: $700.

: Advice: For anyone who has done this job, can you
: provide any tips, tricks, or advice pertaining
: to this task?

: In preparing to to this, I do have the luxury of time.
: The current cluch works fine for everyday driving.
: I want to make sure that I am 100% prepared going in
: to this as far as parts, tools, and knowledge. Any
: advice or experiences anyone can provide is appreciated. After I have completed this task, I will
: write a detailed report of my experience and post it
: back on the board. I will make sure that all of the
: relevant input I get is incorporated into the
: post-replacement report. TIA for all responces.




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