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Home >> Audi >> 2010 >> S4 Automatic DCT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1424 (Seat Frames (Cabriolet)) >> 72 Seat Frames >> Front Seats >> Overview - Module Carrier With Lumbar Support Air Cushion

Overview - Module Carrier With Lumbar Support Air Cushion

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Fig 1: Identifying Pneumatic Block - Component Assignment
GWWA72-10135Courtesy of AUDI OF AMERICA, LLC
  1. Connector
    • For Driver Lumbar Support Adjustment Pump -V152-
    • For Front Passenger Lumbar Support Adjustment Pump -V153-
  2. Connector
    • For Driver Lumbar Support Adjustment Pressure Switch -F224-
    • For Front Passenger Lumbar Support Adjustment Pressure Switch -F225-
  3. Hard Foam Block
  4. Module Carrier with Air Cushions for Lumbar Support
  5. Lumbar Support Adjustment Switch
  6. Y-Piece
    • For pneumatic hoses to valve blocks
  7. Lumbar Support Adjustment Valve Block
  8. Seat Bolster/Backrest Inflation Adjustment Valve Block
    • Driver Seat Bolster/Backrest Inflation Adjustment Valve Block -V378-
    • Front Passenger Seat Bolster/Backrest Inflation Adjustment Valve Block -V379-
    • To remove, remove the backrest cushion. Refer to OVERVIEW - BACKREST COVER AND CUSHION, BUCKET SEAT .
  9. Lumbar Support Adjustment Pump
    • Driver Lumbar Support Adjustment Pump -V152-
    • Front Passenger Lumbar Support Adjustment Pump -V153-
    • To remove, remove the backrest cushion. Refer to OVERVIEW - BACKREST COVER AND CUSHION, BUCKET SEAT .
    • Secured using rubber band -11- and plastic plugs -10-
  10. Plastic Plug
    • Pry off with Pry Lever:80-200 
  11. Rubber Band