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Motors for lumbar adjustment, removing and installing

NOTE: The following list refers to Fig 1.
  1. Motor for vertical lumbar adjustment 
    • Remove back rest. See REAR SEATBACK, REMOVING AND INSTALLING .
    • Remove upholstery from rear seatback.
    • Disconnect harness connector -4-.
    • Remove nuts -3-.
    • Remove spring clip to hinge -7- from transmission -6-.
    • Remove spring clip at lumbar adjustment unit from shaft -2- and remove shaft from lumbar adjustment unit.
    • Disconnect motor for vertical lumbar adjustment -1- from bracket.
  2. Shaft for lumbar height adjustment 
  3. Nut 
    • 3x
      • Tightening torque 2 Nm.
  4. Harness connector 
  5. Motor for lumbar height adjustment 
    • Remove back rest. See REAR SEATBACK, REMOVING AND INSTALLING .
    • Remove upholstery from rear seatback.
    • Disconnect harness connector -4-.
    • Remove nuts -3-.
    • Remove spring clip to hinge -7- from transmission -6-.
    • Remove spring clip at lumbar adjustment unit from shaft -2- and remove shaft from lumbar adjustment unit.
    • Disconnect motor for lumbar height adjustment -5- from bracket.
  6. Transmission for lumbar height adjustment 
  7. Driveshaft 
  8. Rear seatback frame 
  9. Edge protection 
  10. Rubber buffer 
    • 3x
  11. Bolts 
    • 3x
    • Tightening torque: 2 Nm
  12. Washers 
    • 3x
    13. Fig 1: Identifying Motors For Lumbar Adjustment Components - Rear Seat
    G02728028Courtesy of AUDI OF AMERICA, INC.
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