641219 Removing and Installing Windscreen
WM 641219 Removing and installing windscreen
Tools
Preliminary work
Remove cowl panel cover. -> 508719 Removing and installing cover - section on "removing" Service and Repair
Remove A-pillar linings. -> 705719 Removing and installing A-pillar trim panel - section on "removing" 705719 Removing and installing A-pillar trim
Remove dashboard cover (defroster trim). -> 702019 Removing and installing dashboard cover (defroster trim) - section on "removing" 702019 Removing and installing cover for dashboard (defroster trim)
Remove interior rear-view mirror. -> 682719 Removing and installing interior rear-view mirror - section on "removing" 682719 Removing and installing interior rear-view mirror
Disconnect plug connection for antenna amplifier. -> 918419 Removing and installing antenna amplifier - section on "removing" Service and Repair
General warning notes
-> 6400IN IN - General information on installing and removing car windows
Tools and materials
The following tools and materials are required for removing and installing the windscreen with 2-component adhesive:
Tools and materials
Glass separating tool
Removing windscreen
Removing spacer blocks
1. Insert a spatula under the spacer blocks -1- and remove the expanding rivets. Spacer blocks -1- must be replaced.
Removing spacer blocks
Removing windscreen
Information
- The door windows must not be closed until after the curing time has elapsed.
1. Lower the door windows.
2. Remove windscreen with the cutting wire separator. -> 6400IN IN - General information on installing and removing car windows
Removing windscreen
Preparing window frame for installation
Removing adhesive from the body
Information
- The surface coating of adhesive residue on the window aperture of the body acts as an adhesive base for new bonding material. Keep cut surfaces clean and free of grease and do not clean with cleaning solution.
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-.
Removing adhesive from the body
Cleaning and priming areas that are free of adhesive residue or have paint damage or where there is newly built-up paint in the window aperture of the body
Information
- A flash-off time of at least 2 minutes must be observed between the cleaning of the window aperture and the application of the primer! No cleaning solution residues must remain on the body.
1. Clean areas that are free of adhesive residue or have new paint or where there is damage to the top coat paint in the non-visible area of the window aperture in the body with cleaning solution -H1- and touch up with primers -H2-.
Cleaning and priming the body
Preparing windscreen for installation
Removing windscreen seal
Information
- Only if the windscreen is re-installed
1. Pull off the seal -4-. Remove adhesive residues with cleaning solution -H1-.
Pull off the seal
Removing adhesive from the windscreen
Information
- Only if the windscreen is re-installed
Information
- The remaining adhesive helps new adhesive to stick. Keep cut surfaces clean and free of grease and do not clean with cleaning solution.
1. Equip cutting device -C- with the flashing knife -D- and remove the remaining adhesive from the windscreen, ensuring that a surface coating of adhesive remains.
Removing adhesive from the windscreen
Fitting windscreen seal
1. Stick seal -4- to the windscreen -5- from one edge along the entire border.
Fit the windscreen seal
Marking the bonding area
Information
- Only if the windscreen is new and does not have a preliminary coat
1. Before applying the adhesive, mark the course of the adhesive bead in accordance with the dimensions -E- = 160 mm, -F- = 30 mm on the left and right on the lower edge of the windscreen.
Marking the bonding area
Activating the bonding section of the windscreen
Information
- Only if the windscreen is re-installed
1. During long idle periods (> 24 hours) apply activator -H3- to the remaining adhesive.
Activating the bonding section of the windscreen
Priming the windscreen
Information
- Only with new windscreens
Information
- A ventilation period of at least 2 minutes must be observed between the cleaning of the glass and the application of the primer! No cleaning solution residues may remain on the body.
1. Clean the windscreen with cleaning solution -H1-.
2. Apply primer -H2- to the glass flange in the area of the marking.
Priming the windscreen
Installing windscreen
Preliminary work before windscreen installation
Information
- The removed windscreen can be reinstalled if there was no prior damage to the windscreen and the windscreen was removed without damage.
1. Clip in spacer blocks and press in body-bound rivets.
2. Install dashboard cover (defroster trim). -> 702019 Removing and installing dashboard cover (defroster trim) - section on "installing" 702019 Removing and installing cover for dashboard (defroster trim)
Fitting windscreen into the body
Information
- Two persons are needed to insert and adjust the windscreen.
Information
- Owing to the bonding section, the windscreen can no longer be aligned on the seal because the section immediately adheres to the windscreen when inserted.
1. Apply suction cups -B- to the windscreen -5- and insert the windscreen into the window aperture. Press the windscreen -5- up as far as it will go. When doing so, press the lower edge of the glass against the spacer blocks. Mark the windscreen with adhesive tape -6- and remove.
Fitting windscreen into the body
Preparing 2-component adhesive for processing
Information
- The adhesive 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.
Preparing the adhesive
1. Prepare 2-component bonding material for processing. -> 6412IN IN Processing of Porsche 2-component window bonding agents
Applying adhesive to the windscreen
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.
1. Using the bonding gun -A- , apply 2-component adhesive to the windscreen along the seal -4- in the form of a triangular bead measuring -X= ca. 15 mm- -Y= ca. 8 mm-.
Apply adhesive
Pulling off protective film
Information
- Make sure that no further work is performed in the area of the seal once the protective film has been removed.
1. Before bonding the windscreen, remove the protective film from the seal such that no residues remain.
Inserting windscreen into the body
CAUTION
Danger of material damage if specified curing time of adhesive is not observed!
- There will not be a proper adhesive bond if the prescribed curing time of the adhesive is not observed!
-> 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
Information
- Two persons are needed to insert and adjust the windscreen.
Information
- The rear window can no longer be aligned, because the bonding section on the seal immediately sticks to the body when the rear window is installed.
1. Guide the windscreen -5- into the window aperture and insert in the pre-marked positions.
Insert the windscreen
Cleaning fields of vision
Information
- The door windows must not be closed until after the curing time has elapsed.
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 cowl panel cover. -> 508719 Removing and installing cover - section on "installing" Service and Repair
2. Connect plug connection for antenna amplifier. -> 918419 Removing and installing antenna amplifier - section on "installing" Service and Repair
3. Install A-pillar trim panel. -> 705719 Removing and installing A-pillar trim panel - section on "installing" 705719 Removing and installing A-pillar trim
Information
- Only with new windscreens
4. Bond on interior rear-view mirror.-> 682719 Ruckspiegel innen aus- und einbauen - Kapitel "einbauen" 682719 Removing and installing interior rear-view mirror
Information
- The interior rear-view mirror may only be installed after a curing time of three hours!
5. Installing the interior rearview mirror.-> 682719 Removing and installing the interior rearview mirror - installing 682719 Removing and installing interior rear-view mirror
6. Close door windows.