Ribbed belt alignment, checking

WARNING: This page is about a different car, the 2006 Audi A8, 2005 Audi A8, and 2004 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.

Check alignment of ribbed belt after replacing the following components:

Power steering pump
Air conditioner compressor
Bracket for power steering pump and A/C compressor

NOTE:

To prevent damage to the ribbed belt, check alignment of ribbed belt between A/C compressor and power steering vane pump.

Special tools, testers and auxiliary items required

Fig 1: Alignment Gauge 3201

GW00026063

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Alignment gauge 3201

Fig 2: Spanner Wrench 3212

GW00004001

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Spanner Wrench 3212

Test sequence

Lock carrier pulled toward front → Lock carrier, pulling toward front .
Ribbed belt removed → Ribbed belt, removing and installing .

Fig 3: Placing Alignment Gauge 3201 On Ribbed Belt Pulley Of A/C Compressor

GW00028796

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Place alignment gauge 3201 on ribbed belt pulley of A/C compressor.

Ribbed belt pulley of vane pump and ribbed belt pulley of A/C compressor must align.

If ribbed belt pulleys do not align:

Fig 4: Removing/Installing Belt Pulley For Power Steering Pump

GW00022935

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove bolts - arrows - of ribbed belt pulley for vane pump.

NOTE:

For removing and installing bolts use spanner wrench 3212 to counter hold.
Installed location: Writing "front" on ribbed belt pulley indicates direction of travel.

Fig 5: Adjusting Distance Between Ribbed Belt Pulley Of Vane Pump To Ribbed Belt Pulley Of A/C Compressor Using Spacer Discs

GW00026540

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Adjust distance between ribbed belt pulley of vane pump to ribbed belt pulley of A/C compressor using spacer discs of 0.5, 1.0 and 1.5 mm, part number .
Check alignment of ribbed belt pulleys using alignment gauge 3201. Readjust if necessary.

NOTE:

Secure all hose connections using hose clamps appropriate for the model type .

Torque specifications

Component	Nm
Pulley to power steering vane pump	22