Solenoid Coupling, Removing And Installing: Removing

WARNING: This page is about a different car, the 2018 Audi A6 Quattro, 2017 Audi A6 Quattro, and 2016 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Supercharger secured to engine/transmission holder for repair work. Refer to SUPERCHARGER, SECURING TO ENGINE/TRANSMISSION HOLDER FOR REPAIR WORK .

-- Remove the bolts -1 and 2- and the coolant pipes from the supercharger.

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-- Remove the bolts -arrows-.

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-- Slightly lift the solenoid coupling -1- and turn until one of the three trim bolts is accessible.

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-- Remove the first bolt -arrow-.

-- Remove the remaining bolts, to do so turn the solenoid coupling respectively ¹ /₃ turn further.

-- Remove the solenoid coupling -1- in direction of -arrow-.

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-- Loosen the clamping bolt -arrow- for the drive plate two turns to do so turn the drive plate in the respective position.

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-- Install the :T40301 on the drive plate.

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The puller claws -arrows- must engage with the drive plate as shown.

-- Remove the drive plate -2-.

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-- Remove trim -1-.

-- Remove the O-ring -arrow-.

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Check the Sacrificial Liner and the Outer Friction Lining for Wear.

NOTE:

Before reinstalling a used solenoid coupling the sacrificial liner and the outer friction lining must be checked for wear. If new solenoid coupling is installed this step does not apply.

-- Place the caliper -1- as shown on the highest point on the sacrificial liner -2- and measure the distance -X- to the friction lining -3-.

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Specified value: minimum 0.2 mm.

-- Perform the measurement all around on at least three locations.

-- If specified value is not reached, replace the solenoid coupling.

-- Place the drive plate -2- on the solenoid coupling -1- and install the :T40302 hand-tight.

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-- With the feeler gauge -3- check the distance of the outer friction lining to the outer friction surface.

Specified value: minimum 0.2 mm.

-- If specified value is not reached, replace the solenoid coupling.

The driver is still placed -2- on the solenoid coupling -1- and the :T40302 is installed hand-tight.

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-- Connect the :VAS6909 to a 12V battery or on the vehicle jump start terminal.

-- Connect the :VAS6909 connector with the solenoid coupling and switch on the power supply to the solenoid coupling.

CAUTION:

There is a risk of destroying the solenoid coupling.

The solenoid coupling must not be connected longer than 15 minutes to the power supply.
The current feed heats the solenoid coupling.

-- With the feeler gauge -3- on the position shown in the illustration check the distance from the clamping hub -shown in blue- to the outer friction surface in the energized state.

-- Perform this measurement on all three locations on the clamping hub.

Specified value: maximum 1.3 mm

-- If specified value is exceeded, replace the solenoid coupling.

-- Switch off the :VAS6909A .