Back Window Glass: Service and Repair
Removing And Installing Rear Window
Removing rear window
NOTE:
- The door windows must not be closed until after the curing time has elapsed.
- If the cover section is removed from the surrounding section undamaged, it can be re-used.
- If the surrounding section is removed from the rear window undamaged, it can be re-used.
WARNING: Danger of cut injuries when removing and installing car windows!
- Always wear protective gloves when working on car windows.
- Wear protective goggles when cutting out car windows.
- Only replace the cutting knife with the power supply disconnected in order to ensure that the cutter cannot be switched on accidentally.
- Cutting out glued car windows may lead to cut injuries to the skin and the eyes due to flying glass splinters and may cause cut injuries due to the knife of the cutter.
1. Removing the left and right-hand C-pillar trim
1.1. Refer to Removing and installing trim of A, B and C-pillars
2. Removing rear wall lining
3. Removing rear window wiper
3.1. Fold up the cap, unscrew the fastening nut, lift and detach the spring washer and wiper arm.
4. Disconnecting the plug connection of the rear window heater
4.1. Pull off the plug for the rear window heater on the rear window.
5. Opening door windows
5.1. Lower the door windows.
6. Pulling off cover section
6.1. Detach the cover section -1- from the surrounding section of the rear window and pull off.
7. Removing rear window
7.1. Remove windscreen with the cutting wire separator. Use pull handle -A8- when cutting.
7.2. The procedure for removing car windows is described in General information on installing and removing car windows.
8. Taking off rear window
9. Pulling off surrounding section
9.1. Carefully detach the surrounding section from the rear window.
Preparing the window section for installation
NOTE:
- The surface coating of adhesive residue helps new adhesive to stick. Keep cut surfaces clean and free of grease and do not clean with cleaning solution.
- A ventilation period of at least 10 minutes must be observed between the cleaning of the glass section and the application of the primer! No cleaning solution residues may remain on the body.
1. Removing adhesive from the body
1.1. When removing remaining adhesive -2- with the cutting tool -C- and the flashing knife -D- on the body, ensure that a surface coating of adhesive remains -3-.
2. Cleaning and priming paint damage or newly built-up paint areas in the window aperture of the body
2.1. Clean new paint areas or damage to the top coat paint in the non-visible area of the glass section in the body with cleaning solution -H1- and patch with primer -H2-.
Installing rear window
NOTE:
- If the surrounding section and cover section were removed from the rear window undamaged, they can be re-used.
- The bonding material has an open time of -15 min-, which means that the bonding material must be applied and the car window must be assembled within this period of time.
- In order to ensure that the substance is completely mixed, apply a 30 mm long adhesive bead of fresh adhesive to a piece of cardboard before processing.
NOTE: When applying the adhesive, it is essential to ensure that the adhesive bead overlaps by approx. 30 mm at the beginning and at the end.
CAUTION: Danger of material damage if specified curing time of adhesive is not observed! In order to ensure that the bonded joint is sufficiently strong, the following boundary conditions must be adhered to:
- The vehicle must not be used until the curing time has elapsed.
- Curing time: 3 hours
- Temperature: at least 10 degrees C
- Fixing time: approx. 1 hour
NOTE: The removed rear window can be reinstalled if there was no prior damage to the rear window and the rear window was removed without damage.
1. Fitting surrounding section and cover section
1.1. Place surrounding section -4- on the rear window and press cover section -1- into the groove of the surrounding section -4-.
2. Preparing 2-component bonding material for processing
2.1. Refer to Processing of Porsche 2-component window bonding agents
3. Applying adhesive to the rear window
3.1. Apply 2-component bonding material with the adhesive gun -A- to the rear window along the cover section as a triangular bead measuring -X = approx. 15 mm-.
NOTE: Two persons are needed to insert and adjust the rear window.
4. Inserting rear window into the body
4.1. Apply suction cups -B- to the rear window and insert the rear window into the window aperture.
5. Aligning rear window
5.1. Align the rear window in the Z and Y directions.
6. Cleaning fields of vision
6.1. Adhesive which has oozed out must be removed immediately and the affected fields of vision must be cleaned using cleaning agent -H1-.
7. Plugging in rear window heater
7.1. Plug in the rear window heater.
8. Installing rear window wiper
8.1. Put on the spring washer and wiper arm. Screw wiper arm on with the fastening nut. Close the cap.
9. Installing rear wall lining
10. Installing left and right-hand C-pillar trim
10.1. Refer to Removing and installing trim of A, B and C-pillars
NOTE: The door windows must not be closed until after the curing time has elapsed.
11. Closing door windows
Overview of tools and materials
The following tools and materials are required for removal and installation of the rear window with 2-component adhesive:
