Re: How long should the OEM Clutch assembly last?

Under pretty much normal driving conditions?? Some spirited, but never "dropping" the clutch etc... I have a 2002 Base, with 58K on it now. It does not slip, but the release seems to have changed over time. Shifts are not quite as precise as the once were.
G.

It sounds like you need to bleed your clutch. A worn clutch doesn't affect your ability to shift. But moisture in the clutch line does.

My 2000 S has 120K on the original clutch.

If shifting has changed and is "not as precise as before" it's probably not the clutch, but the Front Engine Mount.
This happens because as the front of the engine drops a bit, the shifting cables and linkages get a bit out of alignment.
The clutch will only disengage the engine from the transmission (or not).
Unless the clutch was dragging on the flywheel, shifting shouldn't be compromised.
I replaced my clutch at 203,000 miles and it still had a little "meat" left.
Happy Boxstering,
Pedro

Pedro Bonilla
1998 Boxster 986 - 311,000+ miles: [www.PedrosGarage.com]
PCA National Club Racing Scrutineer - PCA National HPDE Instructor - PCA Technical Committee (Boxster/Cayman)

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Racecar spelled backwards is Racecar

"Racing is life. Anything before or after is just waiting" ... Steve McQueen as Michael Delaney in "LeMans"

"If you wait, all that happens is that you get older"... Mario Andretti

"Being second is to be the first of the ones who lose" ... Ayrton Senna

Keep in mind the "official" fill level is to 11mm below the fill port (5 speed.) I think there's a special size or shape key for the fill or drain plug.

Minus 40 degrees... Is that Fahrenheit or Celsius?

I think the others have covered the bases pretty well.

To recap: Clutch (brake and clutch actually) fluid flush/bleed and if you haven't had it done consider having the transmission fluid drained and refilled. I prefer the Porsche fluid -- it works best based on my experience vs. the one time non-Porsche fluid was used (do not know the brand of fluid).

If you have any doubts the Porche fluid is not a good fluid and you could do better with another brand, let me point out the transmission is also original and has the same 244K miles on it that the clutch has.

Sincerely,

MarcW.

beware of trailing throttle oversteer in a turn.

Minus 40 degrees... Is that Fahrenheit or Celsius?