Windshield: Service and Repair
WM 641219 Removing and installing windscreen
Technical values
Preliminary work
1. Remove trim strip for windscreen.-> 666119 Removing and installing trim strip for windscreen - section on "Removing" Service and Repair
2. Remove cowl panel -> 664419 Removing and installing cowl panel - section on "Removing" Service and Repair
3. Remove interior rear-view mirror.-> 682719 Removing and installing interior rear-view mirror - section on "Removing" 682719 Removing and installing interior rear-view mirror
3.1. Remove rain sensor in vehicles fitted with a rain sensor.-> 921219 Removing and installing rain sensor - section on "Removing" Service and Repair
4. Remove A-pillar trim.-> 705719 Removing and installing A-pillar trim - section on "Removing" 705719 Removing and installing A-pillar trim
5. Remove defroster trims. -> 702019 Removing and installing dashboard cover (defroster trim) - section on "Removing" 702019 Removing and Installing Cover For Dashboard (Defroster Cover)
Technical values
Test and adjustment values
Information
- The figures showing the gap dimensions can be found in the section entitled => Diagram of gap dimensions.
Tools and materials
The following tools and materials are required for removing and installing the windscreen with 2-component adhesive:
Removing windscreen
DANGER
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 so that the cutter is not switched on accidentally.
-> Cutting out glued car windows may lead to cut injuries to the skin and eyes due to flying glass splinters and may result in cut injuries from the knife of the cutter.
1. Separate windscreen.
1.1. Removing windscreens with the cutting wire separating device.
Information
- The procedure for removing car windows is described in => General information on removing car windows.
Preparing window frame for installation
Preparing the window section for installation
1. Remove adhesive on the body.
1.1. When removing remaining adhesive -1- with the cutting tool -C- and the flashing knife -D- on the body, ensure that a surface coating of adhesive remains -2-.
Information
- 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.
2. Clean and prime 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-.
Information
- A drying time of at least 10 minutes must be observed between cleaning the bonding surface and applying primer. Always ensure that no cleaning solution residues remain on the body.
Preparing the windscreen for installation
Information
- Only if the window is to be re-installed.
1. Removing adhesive from the windscreen.
1.1. Fit cutting device -C- with the flashing knife -D- and remove the remaining adhesive from the windscreen, ensuring that a surface coating of adhesive remains.
Information
- The remaining adhesive helps new adhesive to stick. Keep cut surfaces clean and free of grease and do not clean with cleaning solution.
Information
- Only if the window is to be re-installed.
2. Activate the bonding section of the windscreen.
2.1. During long idle periods apply activator -H3- to the remaining adhesive.
Information
- Only with new windscreens.
3. Clean and prime the windscreen.
3.1. Clean the windscreen with cleaning solution -H1-.
Information
- A ventilation period of at least 10 minutes must be observed between the cleaning of the glass and the application of primer. No cleaning solution residues may remain on the windscreen.
3.2. Apply primer -H2- to the glass flange in the area of the marking.
Cleaning and priming the windscreen
Installing windscreen
Information
- The removed windscreen can be reinstalled if there was no prior damage to the windscreen and the windscreen was removed without damage.
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 °C
- Fixing time: approx. 1 hour
1. Fit adjusting elements.
1.1. Press adjusting element -3- into the square hole.
1.2. Position adjusting element -3- at the basic setting. Turn the adjusting element until the arrow marking on the eccentric is on the outer edge of the main body.
Information
- Damaged retaining clips can only be replaced when the windscreen has been removed.
- The procedure for replacing retaining clips is described in -> 666119 Removing and installing trim strip for windscreen Service and Repair.
2. Check retaining clips and replace them if necessary.
3. Prepare 2-component adhesive for processing.=> Processing of Porsche 2-component window adhesive
Information
- The adhesive has an open time of -15 min.- , which means that the bonding material must be applied and the component must be affixed within this period of time.
- In order to ensure that the substance is completely mixed, apply a 30-mm long bead of fresh adhesive to a piece of cardboard before processing.
4. Apply bonding material to the windscreen.
4.1. Apply 2-component bonding material with the adhesive gun -A- to the windscreen along the preliminary layer or on the primer as a triangular bead measuring -X = approx. 15 mm-.
Information
- 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.
Information
- Two persons are needed to insert and adjust the windscreen.
5. Insert the windscreen into the body.
5.1. Apply suction cups -B- to the windscreen and insert the windscreen into the window aperture. Position windscreen at the upper edge and lay the lower rim on top of the adjusting elements.
6. Adjust windscreen joint measurement
6.1. Connect side of windscreen to glass section.
Information
- The figures showing the gap dimensions can be found in the section entitled => Diagram of gap dimensions.
6.2. Adjust the windscreen joint measurement by turning the eccentric in -direction of arrow-.
7. Cleaning fields of vision
7.1. Adhesive which has oozed out must be removed immediately and the affected fields of vision must be cleaned using cleaning agent -H1-.
Subsequent work
1. Install A-pillar trim.-> 705719 Removing and installing A-pillar trim - section on "Installing" 705719 Removing and installing A-pillar trim
2. Install defroster trims. -> 702019 Removing and installing dashboard cover (defroster trim) - section on "Installing" 702019 Removing and Installing Cover For Dashboard (Defroster Cover)
3. Install interior rear-view mirror.-> 682719 Removing and installing interior rear-view mirror - section on "Installing" 682719 Removing and installing interior rear-view mirror
3.1. On vehicles fitted with a rain sensor, the rain sensor must be installed first.-> 921219 Removing and installing rain sensor - section on "Installing" Service and Repair
4. Install cowl panel -> 664419 Removing and installing cowl panel - section on "Installing" Service and Repair
5. Install trim strip for windscreen.-> 666119 Removing and installing trim strip for windscreen - section on "Installing" Service and Repair
6. Clean windscreen