I have an 01 TT 225. I have 60k and Im changing the spark plugs and the tranny fluid. Im using the redline mt 90 because it kind of grinds when I hit 2nd, normal problem. I cant seem to find the post on how to change it, Their seems to be some confusion. How do I cahnge it. Thanks

 

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Two bolts, one for draining, one for filling;-) I can't do mine right now because of that damn 12 point Torx nut it takes to get them off. Just can't see spending 27 bucks for the socket right now In the near future though.

 

If you havehex (Allen head)plugs you don't need to buythe socket. Go to the hardware store and buy a 3/8" coupler nut for about $1.50 (a hex nut that's about 2 inches long, used for joining 2 pieces of threaded rod). It has a 9/16" = 14mm outside hex that fits the plug just about right; I had to take a flat file and shave a little off each of the 6 sides on the end that goes into the plugs - leave the other end alone so it fits the 9/16" socket or wrench. Just make sure it fits all the way inside the female hex on the plugs; if it's too tight and doesn't fully bottom-out you could strip the hex. File it until it's a nice fit.

You should do the rear differential as well; it takes the same 75-90 oil. I did mine over the weekend and it was cruddy at 40K. Those plugs use are different size hex, but guess what; a 1/2" coupler nut (11/16" outside hex) fits them so buy one of those as well. You'll need to file it too for a proper fit.

The trans takes 2.6L and the diff 1.0L so buy 4 quarts + pump to get it from the bottle in the fill holes. Fill until it starts to leak out.