Liftgate Window Glass (Armored Vehicles)
Liftgate Window Glass
Removal
Liftgate window glass specification drawing
CAUTION: Protect the paintwork before attempting to remove the rear screen.
1 Remove the tailgate spoiler as described in the Range Rover Workshop Manual.
2 Remove the rear wiper arm as described in the Range Rover Workshop Manual.
3 Disconnect the electrical leads from the rear screen heater and remove the leather trimmed covers.
4 Cut the rubber finishing strip along the edge of the screen and remove the seal, using pliers.
5 Place adhesive tape around the edge of the rear screen and, following the arrow (1), cut around the glass using a special diamond disk. Cut 3 mm (0.12 inch) outside the dimension shown on the drawing of the rear screen at the start of this procedure.
6 Using a pneumatic knife, cut the rubber and PU seals between the glass frame and glass, in the direction of arrow (2). Remove the outer perimeter of glass (4).
7 Using the pneumatic knife, cut through the PU seal between the armored frame and the armored glass. Remove all the remaining sealer (3) and clean the surface.
8
WARNING: The window glass is extremely heavy and two people are needed to remove it safely.
Attach to suction cups to the rear screen and remove from the tailgate by pulling from the outside and pushing from the inside.
9 Clean all the seal remaining around the periphery of the frame.
10
WARNING: The window glass is extremely heavy. Ensure that sufficient people are available to lift the screen safely.
With 4 people available for lifting the rear screen, attach suction cups and position the screen in the tailgate, without a seal. Check the gaps around the edge of the screen, mark the position of the screen then remove the rear screen.
Installation
1 Clean the surface of the glass which will be in contact with the PU with Betawipe 4000.
2 Apply glass primer (Betaprime 5001) on the area of the glass which will be in contact with the frame and also on the side of the armored glass. Wait 1 hour for the primer to dry.
3 Apply painted sheet steel primer (Betaprime 5404) on the frame. Wait 1 hour for the primer to dry.
4 Fit the adhesive rubber seal (AMS Ref: 12591) on the side of the tailgate (5)
5 Apply two beads of non adhesive seal (Sika 710), around the rear screen frame, (6, 7, 8).
6 Position rubber pads (9) at the bottom of the window frame and glue in position. The rear screen will locate on these pads.
7 Make sure all the surfaces are clean and no dust is behind the glass. Around the edge of the armored frame and also around the side of the armored glass make a 8 mm (0.3 in) thick PU (Betaseal HV3) seal (10).
8
WARNING: The window glass is extremely heavy. Ensure that sufficient people are available to lift the screen safely.
With 4 people available for lifting the rear screen, attach suction cups and position the screen in the tailgate.
9 Position the screen in the aperture and secure in place with adhesive tape. Leave the screen for 24 hours without moving the tailgate.
10 Fit the modified finishing rubber seal (AMS Ref: 9433129), and mark the position of the seal on the glass with adhesive tape. Then remove the seal.
11 Degrease the glass with Betawipe 4000 and apply glass primer (Betaprime 5001) on the glass where the seal will be glued.
12 Apply painted sheet steel primer (Betaprime 5404) inside the seal. Make a 4 mm PU (Betaseal HV3) seal on the glass and place the seal in position. (11).
13 Using soapy water smooth the rear screen seal. Apply non adhesive seal (Sika 710) at the top of the glass.
14 Fit the rear wiper and the tailgate spoiler. Connect the rear screen heater.
15 Clean the glass and polycarbonate window with a non aggressive solution (isopropyl, alcohol, teepol).