Date: Fri, 14 Sep 2001 03:39:13 GMT
From: (Steve Crowe)
Subject: Re: Auto Shift Speeds on 9000

On Thu, 13 Sep 2001 15:56:10 GMT, (Paul Douglas) wrote: >Can anyone tell me the approx speeds the auto box on a 9000 V6 should >shift at, and also the speeds at kickdown? > >The reason for asking is the disappointing performance of the car, >particularly when accelerating in the 40-60mph area. I've posted a >question about the performance of the car before (thanks to all who >replied) but having lived with it a bit longer I think one of the problems >is that it's shifting up too quickly. Presumably, the shift pattern is >set for economy more than performance, and it isn't one of those cars >that has a "sport" mode available. That's ok I suppose but at least >kickdown should force it to hold a lower gear for longer, yet it always >seems to shift up at about 4500rpm, well short of the red line. > >I'm wondering whether to take it to a dealer and pay to have the >kickdown checked, and maybe adjusted, but don't really want to bother >if what it's doing is normal and I'd just be wasting my money. > >Am I right in thinking that this car is "fly by wire" and there's not >much point grovelling around underneath it or in the footwell trying to >check for kickdown cable adjustment (a recent back injury makes me >reluctant to engage in this kind of sport if I can avoid it!). 9000 had a ZF trans in it. The main throttle is NOT "fly-by-wire". The TCS (a seperate secondary throttle plate behind the main throttle) is normally open and only closes as TCS is engaged. This is a much different system than the earlier 4 cylinder TCS systems. There is a kickdown cable that can be adjusted using a special tool. However, I have found that the factory procedure do not seem to work as well at the "seat of the paints" approach. The adjustment is near the throttle lever. You may have to remove a shield for the throttle cable assembly to access it. It has been a while since I have done one, but I seem to remember that the adjustment was right there. I did one once and had a major problem with it. My District Service Manager referred me to another dealer whose Service Manager had had a simular problem. They had replace a trans for other reasons and the new one would not shift correctly. They replace the trans again with the same results. (Note the first replacement fixed the original complaint). Finally, they stepped outside the box and played with the adjustment and where able to get the trans to shift as expected. I was also able to fix my customers car as well with the adjustment. >It's unlikely to make a difference but, just in case, it's a UK model. This is on a US model, but should be the same for you. >thanks in anticipation > >Paul Douglas > Good luck, Steve Crowe

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