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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seat Frames >> 72 Seat Frames >> Front Seat Pneumatic System >> Driver Lumbar Support Adjustment Pump -V152- / Front Passenger Lumbar Support Adjustment Pump -V153-, Removing And Installing >> Removing

Driver Lumbar Support Adjustment Pump -V152- / Front Passenger Lumbar Support Adjustment Pump -V153-, Removing And Installing: Removing

-- Unscrew the front seat and tip to the rear with the connectors attached. Refer to FRONT SEAT, REMOVING AND INSTALLING .

-- Equipped on some models: remove the fire extinguisher bracket. Refer to FIRE EXTINGUISHER BRACKET, REMOVING AND INSTALLING .

-- Disconnect the pneumatic line -2- on the pump -1- by pressing the release ring in direction of -arrows-. 

GWWA72-11977Courtesy of AUDI OF AMERICA, LLC

-- Disengage the rubber mounting -1, 2 and 3- from the bracket in direction of -arrows- using pliers.

GWWA72-11978Courtesy of AUDI OF AMERICA, LLC

-- Remove the pneumatic system pump with the bracket -4-.

-- Disconnect the connector for the wire -5- and free up to do so release the connector safety catch.

-- Release the catch in direction of -arrow- and slide the pneumatic system pump -1- down to the side away from the bracket -2-.

GWWA72-11979Courtesy of AUDI OF AMERICA, LLC