Town Car V8-4.6L (2008)
3. WARNING: Repair any corrosion found on the pinch weld. The pinch weld is a structural component of the vehicle. Corrosion left
unrepaired may reduce the structural integrity of the vehicle. Failure to follow this instruction may result in serious injury to vehicle
occupant(s).
NOTE: Avoid scratching the pinch weld. Repair all minor scratches or exposed metal on the pinch weld following glass primer manufacturer's
recommendations before installation of the glass. Be sure to use the same brand and cure-rate products for the adhesive and primer.
Using an appropriate tool, trim the urethane adhesive leaving a 1-2 mm (0.04-0.08 in) base of the original equipment on the pinch weld.
4. Using a clean shop towel, brush or oil-free compressed air, clean the pinch weld area around the existing urethane. Remove any foreign material or
water that may have entered during windshield removal.
5. If reinstalling the same windshield glass, remove the remaining urethane adhesive from the glass leaving a thin layer to bond with the new urethane
bead.
6. NOTE: If the moulding is already on the windshield glass, proceed to the next step.
Align the V notch in the ceramic paint and windshield moulding at top center. Fully seat the windshield moulding along the top edge of the
windshield glass and along the sides and bottom edges of the windshield glass.
7. Clean the windshield glass with glass cleaner.
8. NOTE:
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Be sure to use the same brand and cure-rate products for the adhesive and primer. Do not mix different brands of urethane and primer. Refer to
the Material Chart.
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Sika uses the same black primer for the glass and pinch weld area.
If installing a new windshield glass, apply urethane glass primer according to the manufacturer's instructions. Allow at least 6 minutes to dry.
9. Cut the urethane adhesive applicator tip to specification.
10. NOTE:
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The windshield glass must be positioned within 10 minutes of applying the urethane adhesive.
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Use either a high-ratio, electric or battery-operated caulk gun that applies the urethane with less effort and continuous bead.
Apply urethane adhesive on top of the existing trimmed urethane adhesive bead on the pinch weld. Make sure that all gaps in the urethane
adhesive are smoothed into one continuous bead starting and ending at the bottom of the windshield glass near the center.
