Received 0 Likes on 0 Posts. $4,000 to replace the clutch!?!?! It'll cost about that much to replace the whole transmission. Labor should be in the neighborhood of $400-600, IIRC. As for parts, you can get an RS4 clutch and pressure plate for around $500.
There are 3 screws holding the compressor, aside from the A/C lines. For this you'll need the 13mm sockets. Two in front and one in the back. One behind the oil cooler: you'll need the 13mm elbow socket to get to it. One on the back of the compressor. To remove the lines you need the t30 bit.
.