Checking and adjusting pulley alignment

Position alignment gauge 3201 on ribbed belt pulley of air conditioner compressor.
- Ribbed belt pulley of power steering pump must coincide with ribbed belt pulley of air conditioner compressor
If the two ribbed belt pulleys do not coincide:

Fig 1: Checking Pulley Alignment (8-Cylinder Engine Bi-Turbo)

Courtesy of AUDI OF AMERICA, INC.

Align ribbed belt pulleys for power steering pump and air conditioner compressor by installing 0.5, 1.0 and 1.5 mm thick shims. For Part no., see Parts Catalog.
Check alignment of ribbed belt pulleys again with alignment gauge 3201. Repeat adjustment if necessary.

Fig 2: Inserting Shims To Align Pulleys (8-Cylinder Engine Bi-Turbo)

Courtesy of AUDI OF AMERICA, INC.

Fig 3: Identifying Installation Position Of Intake Line (8-Cylinder Engine Bi-Turbo)

Courtesy of AUDI OF AMERICA, INC.