Sealing Flange, Removing And Installing, Belt Pulley Side: Removing

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2023 Audi SQ8, 2023 Audi RS Q8, 2022 Audi SQ8, 2022 Audi RS Q8, and 2021 Audi SQ8. However, it is still accessible from the selected car via links, so may be relevant.

Depending on the model, preliminary work may be required. Refer to RIBBED BELT, REMOVING AND INSTALLING .

-- Remove the vibration damper. Refer to VIBRATION DAMPER, REMOVING AND INSTALLING .

-- Remove A/C Compressor bracket. Refer to A/C COMPRESSOR BRACKET, REMOVING AND INSTALLING .

-- Remove the Oil Pressure Regulation Valve -N428-. Refer to Oil Pressure Regulation Valve -N428-, REMOVING AND INSTALLING .

-- Remove the oil pan upper section. Refer to OIL PAN UPPER SECTION, REMOVING AND INSTALLING .

-- Remove the bolt -1- using the Bit Torx T30:T10573 .

Courtesy of AUDI

-- Remove the oil dipstick tube -2- from the belt pulley side sealing flange. (Shown on Audi A8).

-- Seal the opening with thoroughly clean plus from the Engine Bung Set:VAS 6122 .

-- Loosen and remove the bolts in the order -10 to 1-.

Fig 1: Ribbed Belt Pulley Side Sealing Flange - Tightening Sequence

Courtesy of AUDI

-- To loosen the front sealing flange -1-, install three M5x20 bolts -arrows- all the way.

Courtesy of AUDI

-- Install the bolts alternating from side to side ¹ /₂ turn respective until the belt pulley sealing flange is loosened.

-- Remove the bolts again and remove the sealing flange and the crankshaft seal.