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DISCUSSION => Engine + Driveline => Topic started by: cheesebox on November 26, 2008, 05:12:41 AM

Title: Clutch replacement - other jobs to do at the same time?
Post by: cheesebox on November 26, 2008, 05:12:41 AM

I'm replacing the clutch soon.

I'm looking for ideas on what other bits I could replace while it's in pieces, particularly bushes and rubber in the transmission and gearshift, to reduce backlash and improve the feel of the gearchange.

I'm guessing:

- Diff mount,
- gearbox to propshaft coupling (guibo),
- gearbox mounts
- gear linkage bush(es).

Any comments on the effectiveness of the above, or suggestions for other items would be gratefully received. A list of part numbers would be ideal if anyone's done these jobs recently.

Thanks!

Title: Clutch replacement - other jobs to do at the same time?
Post by: ak96ss on November 26, 2008, 06:00:39 AM

As nearly as I can recall, these are the parts I used for my clutch job; some you may not need...  :)  I would definitely replace all the seals and other wear items while in there.

07-11-9-919-939, Pressure Plate Bolt, 6
11-14-2-245-364, Flywheel Seal, 1
11-21-1-720-310, Pilot Bearing, 1
11-22-2-243-051, Flywheel Bolt, 8
21-21-1-223-571, Clutch Kit, 1
21-51-1-202-659, Pivot Pin for T/O Bearing, 1
21-51-1-204-229, Fork Lever for Clutch Release Bearing
21-51-1-204-327, Spring for T/O Bearing Release Lever, 1
21-52-1-116-300, Clutch Slave Cylinder, 1
21-52-1-151-697, Clutch Hose Fitting for Fluid Reservoir hose to Master Cylinder
21-52-1-156-673, Hose Clutch Slave to Master, 1
21-52-1-163-714, Brake Line, Reservoir to Brake Master or Clutch Master Cylinder
23-11-1-228-314, Front Mainshaft Seal, 1
23-41-1-466-134, Dowel Pin for Shift Rod Joint, 1
23-21-1-490-120, SAFETY PLATE
25-11-1-220-379, Shift Rod Circlip at Shift Rod Joint, 2
25-11-1-220-439, Yellow Plastic Washers/Bushings, 3
25-11-1-220-707, Support Rear Mount for Shift Lever Support Arm, 1
25-11-1-220-832, Shifter Arm Bushing, 1
25-11-1-220-912, Rubber Boot (Shifter)
25-11-1-221-849, Locking Pin for Shift Lever Support Arm Bushing, 1
25-11-1-434-194, Rubber Buffer for Shift Rod Joint at Transmission
25-11-1-469-397, Shift Handle Ball Cup Bushing, 1
25-11-7-503-525, Shift Rod Joint, 1
25-11-7-507-964, SHIFT LEVER (Z4 2.5)

Title: Clutch replacement - other jobs to do at the same time?
Post by: JP 91iS on November 26, 2008, 01:31:28 PM

Lightweight flywheel

Title: Clutch replacement - other jobs to do at the same time?
Post by: kenika65 on November 26, 2008, 06:11:45 PM

^+1

Title: Clutch replacement - other jobs to do at the same time?
Post by: silence on December 22, 2008, 02:12:40 PM

Quote from: JP 91iS;61750

Lightweight flywheel

will an m20 flywheel work?

Title: Clutch replacement - other jobs to do at the same time?
Post by: szed03 on December 22, 2008, 05:02:56 PM

Just for future reference, I personally would definitely replace the rear main/crankshaft/flywheel seal, transmission front main seal, flywheel bolts, pressure plate bolts, pilot bearing, throw out bearing, clutch pivot pin and retaining spring.  All the other stuff are optional depending on wear obviously.

If you do decide to put in a ltw flywheel, I'd strongly recommend putting in a sprung hub clutch friction disc.  Dual mass flywheels use a solid hub and you may get LOTS of gear rattle from the wide power pulse and harmonic vibration from the 4cyl.  That's currently what I'm dealing with right now.