Diesel Data: Automotive Repair

Vacuum/Pressure Pump Switch: Service and Repair

LUMBAR CONTROL SWITCH

REMOVAL

All vehicles
1. Remove the front seat.

Vehicles with standard power lumbar







2. Pull to remove the lumbar control switch.







3. Disconnect the power lumbar support air hoses.







4. Disconnect the lumbar seat control switch electrical connector.
5. Remove the lumbar seat control switch.

Vehicles with power bolster and lumbar







6. Remove the two screws for the power bolster and lumbar switch bezel.







7. Disconnect the power lumbar switch and the bolster switches.







8. Pinch the release tabs on the affected switch and push the switch through the bezel.

INSTALLATION

All vehicles
1. To install, reverse the removal procedure.