Overview - Cylinder Block, Belt Pulley Side, A/C Compressor Belt Drive, 3.0L Engine

WARNING: This page is about a different car, the 2024 Audi A8 Quattro, 2023 Audi A8 Quattro, and 2022 Audi A8 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Exploded View Of Cylinder Block, Belt Pulley Side, A/C Compressor Belt Drive, 3.0L Engine

Courtesy of AUDI OF AMERICA, LLC

Cover
- For the idler roller
Bolt
- 25 Nm
Idler Roller
- For the ribbed belt
Ribbed Belt
- Check for wear
- Do not kink
- Belt path. Refer to Fig 2.
- Before removing, mark the running direction using chalk or a felt-tip pen.
- Removing and Installing. Refer to RIBBED BELT FOR A/C COMPRESSOR, REMOVING AND INSTALLING, 3.0L ENGINE .
- When installing, make sure it is seated correctly on the belt pulleys
Cover
- For the tensioner
Bolt
- 25 Nm
Tensioner
- For the ribbed belt
- Removing and Installing. Refer to RIBBED BELT TENSIONER FOR A/C COMPRESSOR, REMOVING AND INSTALLING, 3.0L ENGINE .
Bolt
- Tightening specification -item : Bolt.
Vibration Damper
- Removing and Installing. Refer to VIBRATION DAMPER, REMOVING AND INSTALLING .
Alignment Sleeve
- Quantity: 2
Bracket
- For the A/C compressor
- Removing and Installing. Refer to A/C COMPRESSOR BRACKET, REMOVING AND INSTALLING, 3.0L ENGINE .
Bolt
- Replace after removing
- Tightening Specifications and Sequence. Refer to Fig 3.
A/C Compressor
- Removing and Installing. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING ON BRACKET .
Bolt
- Tightening specifications. Refer to OVERVIEW - A/C COMPRESSOR .
Alignment Sleeves
Bolt
- Tightening Specifications and Sequence. Refer to Fig 3.

A/C Compressor Belt Path, 3.0L Engine

Fig 2: A/C Compressor Belt Path, 3.0L Engine

Courtesy of AUDI OF AMERICA, LLC

Vibration Damper
Ribbed Belt Tensioner
A/C Compressor
Idler Roller

A/C Compressor Bracket - Tightening Specifications and Sequence, 3.0L Engine

Fig 3: A/C Compressor Bracket

Courtesy of AUDI OF AMERICA, LLC

Replace bolts that were tightened with an additional turn after removing them.

-- Tighten the bolts in stages as follows:

Step	Bolts	Tightening Specification/Additional Turn
1.	-2 and 3-	Install all the way by hand
2.	-2 and 3-	8 Nm
3.	-2-	90° additional turn
4.	-3-	90° additional turn