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Lil bastard · 02-20-2008, 06:46 PM

All sounds normal to me. The car has a very limited Sport mode. But, it also has an adaptive memory. It will adapt to your last few Driving Cycles.

If you have been commuting all week to work, when you first take it out for spirited fun, it won't respond properly for several miles until it re-adapts to your new style.

You don't mention the mileage.

Since it's a '99, are you due for a fluid/filter change? Porsche claimed it is a Lifetime fluid, but it really isn't.

BMW and Jaguar (which also use this same ZF5HP19 transmission) also marketed it as Lifetime fluid, but have since changed their specs to a fluid and filter change every 45k mi. Failure to do this maintenance can kill these trannys.

The dealer charges $650-$750 for this service. But, a DIY for a moderately experienced owner can be done for under $250. It takes about 2-3 hrs. and I'd give it difficulty of maybe 3 or 5. I'm going to post a write-up of the procedure in the DIY section.

02-20-2008, 06:46 PM	#3
Lil bastard Registered User Join Date: Feb 2008 Location: Du Monde Posts: 2,199	All sounds normal to me. The car has a very limited Sport mode. But, it also has an adaptive memory. It will adapt to your last few Driving Cycles. If you have been commuting all week to work, when you first take it out for spirited fun, it won't respond properly for several miles until it re-adapts to your new style. You don't mention the mileage. Since it's a '99, are you due for a fluid/filter change? Porsche claimed it is a Lifetime fluid, but it really isn't. BMW and Jaguar (which also use this same ZF5HP19 transmission) also marketed it as Lifetime fluid, but have since changed their specs to a fluid and filter change every 45k mi. Failure to do this maintenance can kill these trannys. The dealer charges $650-$750 for this service. But, a DIY for a moderately experienced owner can be done for under $250. It takes about 2-3 hrs. and I'd give it difficulty of maybe 3 or 5. I'm going to post a write-up of the procedure in the DIY section. __________________ 1990 Porsche 964 Carrera 4 Cabriolet 1976 BMW 2002 1990 BMW 325is 1999 Porsche Boxster (gone, but not forgotten) http://i933.photobucket.com/albums/a...smiley-003.gif Never drive faster than your Guardian Angel can fly! Last edited by Lil bastard; 02-20-2008 at 06:52 PM.