Operation CHARM: Car repair manuals for everyone.
Home >> Audi >> 1995 >> 90CS Quattro V6-2.8L (AFC) >> Repair and Diagnosis >> Maintenance >> Drive Belt >> Adjustments
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Drive Belt: Adjustments

Ribbed belt drive, checking and adjusting

Old version A

Identifying, Application and ID

- Remove ribbed belt, refer to Ribbed Belt/Removing and Installing Drive Belt
- Remove idler roller.






- Fit alignment gauge 3263 to vibration damper pulley and press against grooves of A/C compressor pulley.

Note: Misalignment of more than 0.4 mm (0.076 in) will cause belt wear and noise. If misalignment exceeds 0.4 mm (0.076 in):

- Remove noise insulation panel from underneath.
- Loosen four bolts of A/C compressor.
- Move compressor so that the alignment gauge can be positioned against grooves of compressor pulley.
- Tighten A/C compressor mounting bolts.

Tightening torque: 20 Nm (15 ft lb)

New version B

Identifying, refer to Application and ID Application and ID
Alignment of the A/C drive belt pulley is not required.


pro multis · About Operation CHARM