Pneumatic block - component assignment

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Special tools, testers and auxiliary items required

Fig 1: Identifying Pry Lever 80-200

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Pry lever 80 - 200

Fig 2: Pneumatic Block - Component Assignment

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Electrical connection

For Driver s Lumbar Support Pump V152
For Front Passenger s Lumbar Support Pump V153

2 - Electrical connection

For Driver s Lumbar Support Pressure Switch F224
For Front Passenger s Lumbar Support Pressure Switch F225

3 - Hard foam block

For pneumatic components
Secured to backrest at underside using double adhesive tape
Removing and installing → Backrest cover and padding, removing and installing

4 - Four-way lumbar support adjustment air cushion

Secured to hard foam block - 3 - using plastic plug
To remove, remove backrest cushion → Backrest cover and padding, removing and installing
Pry off plastic plug using pry lever 80-200

5 - Pressure switch for lumbar support adjustment

Driver s Lumbar Support Pressure Switch F224
Front Passenger s Lumbar Support Pressure Switch F225
To remove, remove backrest cushion → Backrest cover and padding, removing and installing

6 - Y-piece

For pneumatic hoses to valve blocks

7 - Lumbar support valve block

Driver s Lumbar Support Valve Block N209
Front Passenger s Lumbar Support Valve Block N210
To remove, remove backrest cushion → Backrest cover and padding, removing and installing

8 - Backrest inflation adjustment valve block

Driver s Lumbar Support Valve Block V378
Front Passengers Seat/Backrest Inflation Adjustment Valve Block V379
To remove, remove backrest cushion → Backrest cover and padding, removing and installing

9 - Lumbar support pump

Driver s Lumbar Support Pump V152
Front Passenger s Lumbar Support Pump V153
To remove, remove backrest cushion → Backrest cover and padding, removing and installing
Secured using rubber strap - 11 - and plastic plugs - 10 -

10 - Plastic plug

Pry off using pry lever 80-200

11 - Rubber strap