The Cutting Edge
new car installations
2010 Smart Fortwo
by Jamie Browning
For vehicle and glass preparation please refer to AGRSS/ANSI 002-2002
as well as your adhesive manufacturer’s recommendations. Inspect the windshield
for defects and any contamination that may compromise the bonding of the
adhesive. Also look for any distortion, scratches or defects on the glass
or underside moulding.
First, remove the rearview mirror by carefully sliding it upward toward
the headliner. If the vehicle is equipped with a rain/light sensor (be
sure to test the sensor before starting the job) unclasp the cover from
the retaining housing and disconnect the wiring connector. Next unclasp
the retaining clip that holds the sensor in place and carefully remove
To remove the wiper arms gently remove the caps that cover the wiper nuts
and then remover the wiper nuts. Next, Mercedes recommends that you use
a puller to remover the wiper arm. Remove any service panels or cowl area
parts that may interfere with a safe installation.
For the sides and top of the windshield, a cold knife or power tool can
be used as well as wire. For the bottom, a power tool or wire can be used.
Keep in mind that there is no one correct method of removal. The technician
should use the tool that he feels most comfortable with and the one that
achieves a safe removal (both for the vehicle and the technician).
FOR THE NEW WINDSHIELD:
Trim the existing urethane bead, leaving it 1 to 2 millimeters in height.
Use your adhesive manufacturer’s pinchweld primer to prime all scratches,
if any exist, and allow to dry, according to your adhesive manufacturer’s
recommendations. Please note that only the full-cut method is permitted
by the AGRSS/ANSI 002-2002 Standard.
OF THE NEW WINDSHIELD:
Dry-fit the new windshield and mark it properly to ensure the correct
setting procedure. Prepare the windshield according to your adhesive manufacturer’s
recommendations, and then apply the adhesive and install the windshield.
Make sure the deck height is correct and the markings on the windshield
line up with those on the body that were applied during the dry set. Mercedes
states that a urethane bead should be 12 mm high and 8 mm wide on this
Install the wipers and mirror in reverse order from removal and torque
the wiper nuts to 15 foot pounds (20 Newton meters). If the vehicle was
equipped with a rain/light sensor it is recommended that you use a new
sensor pad and check to make sure the sensor works correctly. Check for
any leaks and be sure to inform the vehicle owner of the safe drive-away
time, according to the adhesive manufacturer. Also be sure to record all
lot numbers from the adhesive and primers as well as the DOT number from
Jamie Browning was the winner of the 2009 Pilkington Clear Advantage
Auto Glass Technician Olympics. He has more than 17 years’ experience
in the industry. Mr. Browning’s opinions are solely his own and not necessarily
those of this magazine.
REPORTS FROM THE FIELD:
Always follow the AGRSS Standard and wear eye, hand and wrist protection
while working on the vehicle. Inform the vehicle owner of the cure time
and any other additional precautions before installation. Always return
the vehicle to manufacturer’s specifications. Protect all interior and
exterior portions of the vehicle to prevent any damage.
© Copyright 2011 Key Communications Inc. All rights reserved.
No reproduction of any type without expressed written permission.