Hi Neil,
You use the stock AD clutch fork, AD throwout bearing (that matches the type of pressure plate you're using), and AD clutch pedal linkage. The fork has a little internal spring at the pivot point that locks it onto the pivot ball that's threaded into the driver's side of the bell housing. You'll want to slide your throwout bearing on the transmission pilot shaft, have your clutch fork snapped in place on the pivot ball and then as you seat your transmission, engage the fork ends in the TO bearing grooves. This has proven to be the easiest way to get everything lined up during the install. I like to have the transmission in gear so I can rotate the output shaft to mate with the clutch disc splines. I've added the fork after having the transmission installed but it's a tight fit and it doesn't fall into place easily. Now's a good time to install your rubber fork boot.
BEFORE your final installation you'll want to install the T5 without the clutch/pressure plate installed to check to make sure your transmission mates up okay before you add the clutch pack. You'll also want to slide the disc on the mainshaft to make sure it slides back past the trimmed splines to insure your disc will FULLY release. Once you've made sure your fit is okay you're ready to complete the install. A dab of grease on the pivot ball and a light coat on the TO brg pilot shaft (then wipe the light coat off lightly with a rag) and you're ready to go.
I'm sure others have done it a bit differently but this has always worked for me and I've had NO problems with getting a full release of the clutch disc. Hope this helps with your installation.
Dave
