Air Line, Servicing: Notes

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2022 Audi SQ7, 2022 Audi Q7, 2021 Audi SQ7, 2021 Audi Q7, and 2020 Audi SQ7. However, it is still accessible from the selected car via links, so may be relevant.

Both rear axle air lines (blue and black) are completely replaced if there is a damage claim. The repair of a damaged line is not permitted.
The front axle and pressure reservoir air lines are routed in the wiring harness and can be repaired.

Special tools and workshop equipment required

Torque Wrench 1783 - 2-10Nm: V.A.G 1783

Fig 1: Identifying Torque Wrench
Courtesy of AUDI OF AMERICA, LLC
Torque Wrench 1783 - Open Jaw - 10mm: V.A.G 1783/1

Fig 2: Identifying V.A.G 1783/1
Courtesy of AUDI OF AMERICA, LLC
Hose Cutting Pliers: VAS 6228

Fig 3: Air Hose Pliers VAS 6228
Courtesy of AUDI OF AMERICA, LLC
Air line repair kit. Refer to the Parts Information.

Repair 1

The damaged point of the air line in the wiring harness is not larger than the coupling itself and is not located in a bend of the line routing.

-- Free up the corresponding air line from the wiring harness.

-- Remove the damaged location.

-- Connect the ends of the original line with a coupling from the repair kit.

-- Rebundle the wiring harness after servicing.

Repair 2

The damaged point of an air line in the wiring harness is larger than the coupling itself.

-- Open the wiring harness at the damaged location.

-- Remove the faulty section of the air line.

-- Starting at the solenoid valve block, suspension strut or pressure reservoir route the repair piece parallel to the original wiring harness.

-- Connect the ends of the lines with a coupling from the repair kit.

To prevent leaks, the air line in front of and behind the coupling must run straight to a length of 100 mm.