Installation: (14,800 miles) Dieselgeek has published wonderful instructions on the installation of the Sigma Short Shifter for the 6-speed manual transmission for the Audi TT. The installation took me about 2 hours including numerous coffee breaks and pauses to take pictures. A focused mechanic, or for that matter if I had simply been focused, could easily do this in an hour or less. I found the Dieselgeek instructions to be very well written and detailed – I can’t elaborate much. If you have trouble moving the rubber boot and plastic ring to expose the end of the shift cables completely (I did – see the “Install Sigma shifter” section of the instructions, step 2), here’s a hint: place a short piece of rubber hose over the shift cable threads, grab it with a pair of pliers, and then wiggle the plastic ring with another pair of pliers to get it to slide further up the cable and expose the necessary threads and smooth cable noted in the instructions. Once loose the ring was moved very easily. Everything else went as described in the instructions. Absolutely no problems with the adjustment procedure either.
Test Drive and Initial Impressions: Great feel. No problems finding the gears and there is a very noticeable and pleasant reduction in gear shift throws. You can feel the linkage/transmission a bit more than with the stock setup and I guess that this is what some will refer to as notchiness. Everything feels a bit tighter. I understand that things will get smoother with time.
AudiWorld Forum: http://forums.audiworld.com/tt/msgs/1430824.phtml
Long Term Impressions: (28 December 2006 – 17,886 miles) Shifting has smoothed out a bit since the installation of the Dieselgeek short shifter kit. No regrets here.
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