52 17 010 Removing and installing or replacing both seat rails on left or right front seat (comfort)

Remove front seat, refer to 52 17 000 REMOVING AND INSTALLING FRONT SEAT (COMFORT)
Remove seatbelt tensioner.

Remove hose from lumbar support pump and disconnect connector.

NOTE: Brace hose connection on lumbar support pump with pincers (risk of damaging lumbar support pump).

Fig 1: Removing Hose From Lumbar Support Pump & Disconnecting Connector

Only replace:

If necessary, cut through cable tie (1).

Unfasten detent (2). Twist lumbar support pump (3) downwards and pull backwards to remove.

Fig 2: Removing Detent

Only replace:

Unfasten screw and pull interior finisher forwards to remove.

Fig 3: Removing Interior Finisher

Only replace:

Unscrew screw. Lift outer finisher backwards and upwards and pull forwards to remove.

Fig 4: Removing Outer Finisher

Remove connector (1), unlock detent lugs (2) and pull connector (3) backwards to remove. Remove wiring harness (4) from guide (5).

Fig 5: Removing Wiring Harness From Guide

Unfasten screws and pull seat rails forwards to remove from seat frame.

Installation:

Front screws are longer than screws at back.

Fig 6: Removing Seat Rails From Seat Frame

Unfasten screws and pull seat rails backwards to remove from seat frame.

Installation:

Replace screws (microencapsulation).
Tightening torque. Refer to SEATS - TIGHTENING TORQUES .

Fig 7: Removing Seat Rails From Seat Frame

Screws at back are longer than screws at front.

Front passenger's seat only:

Lift out detent (1) for left/ right longitudinal seat adjustment.

Fig 8: Removing Detent For Left/Right Longitudinal Seat Adjustment