Control Module, Removing And Installing: Installing

WARNING: This page is about a different car, the 2023 Audi SQ8, 2023 Audi RS Q8, and 2023 Audi Q8. However, it is still accessible from the selected car via links, so may be relevant.

Install in the reverse order of removal while noting the following:

Tightening specifications. Refer to OVERVIEW - ALL-WHEEL DRIVE CLUTCH .

-- Install the All-Wheel Drive Control Module -- as follows:

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Replace the O-rings -1- and -2-.
Coat the o-ring with ATF.
The flattened driver -3- must be guided into the groove on the actuator shaft -4-.

-- Tighten the bolts -arrows-.

Fig 1: Identifying All Wheel Drive Control Module -J492- -1-

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-- Connect the connector -3- to the All-Wheel Drive Control Module -- -4-.

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-- Secure the cable to the all-wheel drive clutch -arrow-.

-- If equipped, secure the heat shield -2- with the bolts -1-.

-- If equipped, install driveshaft heat shield -1-.

Courtesy of AUDI

If the control module was replaced:

If the AWD Control Module -J492- was replaced then additional work is now necessary. Refer to ADDITIONAL WORK FOR VEHICLES WITH "quattro ultra" .