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      12-22-2008, 01:28 PM   #7
jeremyc74
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Drives: '08 135i Montego/Terra
Join Date: Feb 2008
Location: Evansville, IN

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Quote:
Originally Posted by Night1 View Post
There is no lurching while this happens. The power smoothly comes on, fades away (during the "tach jump"), and then smoothly comes back in and begins acceleration. It feels like a slip. The power delivery is almost like severe turbo lag.

The problem is most apparent from the higher gears, such as 3rd and 4th. From low rpm in those gears, the tach still jumps as described.

A disconnect between the tach and vehicle speed that's noticeable in the higher gears is almost certainly the clutch slipping. Take the tech for a ride and let him see it first hand.

One other question:

Does it do this all the time, or just after the car has been parked for a while? I'm wondering if you've got a leak from the slave cylinder that's getting on the clutch and allowing it to slip. It seems like I've heard of this happening before, but I'm not positive.

Let us know how it turns out. :w00t:
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