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Porsche specialists buying, selling, servicing | 911virgin | Uxbridge

993 C4 clutch replacement

ch3tman

ch3tman

Suzuka
Joined
8 Dec 2012
Messages
1,082
Several previous threads on this for the C2, but can anyone offer views for the C4?

I've read anything between 5hrs & 12hrs labour and anything between £850 & £1200.
Has anyone had this done recently and advise?

Also, I understand the engine needs to be dropped - what else should be looked at? So far:

+ 24k service, MOT
+ Replace clutch
+ Replace engine bay insulation
+ Assess/replace rear main seal

Quite happy to go without:

- MPL Slave Cylinder (to retain the original feel/weight)
- Single Mass LightWeight Flywheel (to avoid transmission chatter/stalling issues)

Any further thoughts? Trying to identify between 'must haves' and 'nice to haves'...whilst managing scope and bracing myself for the bill...
 
Had mine done at PCT (coventry) in 2009

Labour to replace clutch/DMF/RMS was £444

Clutch kit was £568

new DMF was £461

all plus vat.

I don't think they dropped the engine.

Excellent job... they're highly recommended! :)
 
When I was a new owner having not long owned the car, I researched clutch issues on the forum feeling that mine felt almost granular as you depressed the pedal.

Wisdom from here, at the time, was that I'd not likely need a new flywheel either.

All the 'specialist' Porsche garages want big bucks for this. I used a local garage and paid £866 including the clutch kit. My flywheel was scored and I had to buy a replacement. This was at 56k.

I wish I'd had a lightweight flywheel. I've drive some cars with this fitted and the engine seems to pick up and lose revs quicker as result.
 
Will Statt said:
I don't think they dropped the engine.
Click to expand...
Interesting... Maybe my indy suggested it because of having the 24k service done at the same time? :?

highway said:
I wish I'd had a lightweight flywheel. I've drive some cars with this fitted and the engine seems to pick up and lose revs quicker as result.
Click to expand...
Fair point, and I do appreciate the upside of going for it. I've been a passenger in 2 993s now running the lightweight flywheel, and revved each one in each neutral, both felt so free and willing to spin up - fantastic. If my 993 was purely a garage queen or B-road toy, I'd have no hesitation going for it. However, as I use my car in all conditions, including commuting from time to time, which can involve traffic... I think the LWF could quickly get annoying - both in terms of chatter/noise and potential stalling.
 
Steve Wiener is now making medium weight flywheels which are about 7lb heavier than the LWF. I can't vouch for it as I don't have one but from what I've read, there are no stalling issues, not that my LWF stalls anyway. There may be some gear chatter still, as it's based on the LWF but with weight added. It's dynamically balanced so no need to worry about wonky balance.

If your guy is digging around in the back of the car, maybe have the power steering belt replaced as well. As others have said, I don't think they dropped my engine either.

If you do drop the engine, have a look at the 4 rubber subframe mounts.
 
ch3tman said:
Will Statt said:
I don't think they dropped the engine.
Click to expand...
Interesting... Maybe my indy suggested it because of having the 24k service done at the same time? :?
.
Click to expand...

This is probably why. When I had mine done I had new ht leads fitted while the car was in for the clutch. The leads are a bit of a hassle so they decided to drop the engine to do both. Didn't charge me any more labour though, which was decent. Would also recommend new gearbox mounts while it's out
 
Sutton said:
Steve Wiener is now making medium weight flywheels which are about 7lb heavier than the LWF.
Click to expand...
Thank you. It still seems the chatter is present on the 'medium weight' flywheels, which rules it out for me.



So back to the original questions...

Engine drop:
Seems questionable, even for a C4? :?

Other bits if engine is dropped:
+ Replace engine bay insulation
+ Assess/replace rear main seal
+ PS belt
+ Assess/replace subframe mounts
+ HT leads
 
Given where you are I'd get Peter Tognola in Datchet to do it, he did mine and it was around 1200 including a new starter motor.
Cheers
 
Mine had 24k service at the same time too. Fiddly as that can be, PCT still said they do it without dropping the engine. My new DMF was over £700 'list' price, so I felt they did me a goodish deal.
Only been in one 993 with LWF, and decided it wasn't for me as I didn't like the chatter, so I stuck with dmf.
 
highway said:
All the 'specialist' Porsche garages want big bucks for this. I used a local garage and paid £866 including the clutch kit. My flywheel was scored and I had to buy a replacement. This was at 56k.
Click to expand...

I'm actually wondering if the previous owner to yours was a mate of mines neighbour? A retired ex Diplomatic Corps he had an Austin Allegro with very low miles but had at least three new clutches in two years. The sign was when his trilby used to vibrate off the rear shelf :what:

:eek: Did the Illuminati sanction this back street garage option?

Worth replacing the Flywheel in my view. Plus given the ease of this task by dropping the engine there should be competitive menu pricing options unless everyone is setting similar prices. :dont know:
 
ch3tman said:
Quite happy to go without:

- MPL Slave Cylinder (to retain the original feel/weight)
- Single Mass LightWeight Flywheel (to avoid transmission chatter/stalling issues)

Any further thoughts? Trying to identify between 'must haves' and 'nice to haves'...whilst managing scope and bracing myself for the bill...
Click to expand...

I have both the MPL and the LWF, mine's a daily driver too and I don't regret installing either. Never had a stalling issue with the LWF, ever!

MPL makes for a much easier life too.

You only get the chatter in neutral when the clutch is not engaged, its rather charming and accompanies the slight rocking motion I get as a result of the fairly solid RS engine mounts!
:thumb:
 
Zingari said:
Worth replacing the Flywheel in my view. Plus given the ease of this task by dropping the engine there should be competitive menu pricing options unless everyone is setting similar prices. :dont know:
Click to expand...
Thanks Zingari - I was rather hoping the existing one could be retained. Perhaps it can be inspected (for scoring?) and a decision made based on this.


HPNer said:
I have both the MPL and the LWF, mine's a daily driver too and I don't regret installing either. Never had a stalling issue with the LWF, ever!

MPL makes for a much easier life too.

You only get the chatter in neutral when the clutch is not engaged, its rather charming and accompanies the slight rocking motion I get as a result of the fairly solid RS engine mounts!
:thumb:
Click to expand...
Thanks HPNer - there's no doubting the benefits of the LWF, its just that both times I've heard the chatter, I remember questioning whether I could personally live with it. Great to hear it's also suited to daily drive duties though :thumb:.




Right, I hope that's the list concluded!

+ 24k service, MOT
+ Replace clutch
+ Inspect flywheel

Other bits if engine is dropped:
+ Replace engine bay insulation
+ Assess/replace rear main seal
+ PS belt
+ Assess/replace subframe mounts
+ HT leads
 
I had the LWF fitted to my 964 so when I bought my 993 I did the same, I think it suited the 964 well, not entirely sure about the 993

Would I go back to DMF, definitely not

But as mentioned above, it's not everyone's cup of tea

I do often make a balls up of pulling away sometimes, I dare say it's more a reflection of my driving skills rather than the RSC/LWF, just be aware

Oh, I do have the MPL a generic part :? but I think a good improvement
 
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