Sunroof / Moonroof Frame: Service and Repair

Switch off ignition.

Remove roof liner - refer to Sunroof/Moonroof Interior Trim Panel.





Loosen front and rear hose clamps at left and right sides. Hold the clamps tight (to prevent them from falling into the A-pillars). Disconnect water drain hoses.

Installation:
Check function and for leaks.





Pull complete wire harness off of the sun roof cassette.





Disconnect rear plug and unscrew screw (1).

Installation:
Tightening torque = 3.5 Nm





Disconnect plug (also refer to replacing module). Unscrew screw (2).

Installation:
Tightening torque = 3.5 Nm. The sun roof must be initialized after disconnecting the module plug - refer to Initialization.





Unscrew screws.

Installation:
Tightening torque = 3.5 Nm





Unscrew left and right screws.

Installation:
Tightening torque = 3.5 Nm





Unscrew rear screws.

Installation:
Tightening torque = 3.5 Nm





Loosen left and right clips and lift the sun roof cassette out towards the rear through the tailgate opening with help from a second person.





Installation:
Paste on an approx. 10 cm long strip of Norton's tape at the front end.





Insert front end (1) of the sun roof cassette into sheet metal slot (2).





Clip on rear end at left and right sides.





Tighten front screw (1). Tightening torque = 3.5 Nm





Tighten rear screw (2). Tightening torque = 3.5 Nm





Keep to the following screw tightening sequence:

(3) left and right front
(4) left and right front
(5...12) left and right for all Tightening torque = 3.5 Nm









1. Sun roof cassette without embossments (1...4) on cross members and welded nuts (5 and 6) on both lids:

- Install cement four shaped washers on cross members

a) Sun roof cassette without embossments (1... 4) on cross members and welded studs (5 and 6) on both lids:

- Cannot be installed. Exchange the cassette.









2. Sun roof cassette with embossments (1...4) on cross members and one welded stud on rear lid (5) through cross member (4):

- Install three washers (1...3) cemented, cement one pot washer (7) on cross member (4). Install M 6 nut for welded stud (5) with Loctite No.270*.

a) Sun roof cassette with embossments 1...4) on cross members and welded nuts (5 and 6) on both lids:

- Remove old washers (cemented) and use four shaped washers (7) on cross members.

Install roof liner.