Windshield | 1965-1968 Mustang

Introduction

This tutorial provides a step-by-step guide on how to install a windshield on a 1965-1968 Mustang. Whether you are replacing the entire windshield, headliner, or weatherstrip, this process can be tricky and requires careful attention. With the right tools and guidance, you can successfully complete this project.

Step 1: Prepare for Windshield Removal

• Gather the necessary tools and materials:
  • Windshield
  • Weatherstrip
  • Strip caulk
  • Window sealant (approximately 3 tubes)
  • About 14 feet of rope
  • Molding tool
  • Caulk gun
  • Tape
  • Solvent for cleanup
• Remove the old windshield:
  • Use a molding tool to carefully remove the moldings. Start at the inside corner.
  • Pull back the weatherstrip and press out the old windshield.
  • Clean the channel thoroughly to remove any old caulk, ensuring a smooth surface for installation.

Step 2: Install Weatherstrip

• Lay the new weatherstrip out on the windshield where it will be installed.
• Begin at one edge, sliding it over the glass, and work your way around the perimeter.
• Take your time to ensure it fits snugly; this step can be more challenging than it appears.

Step 3: Apply Strip Caulk

• Use strip caulk to seal the base of the windshield frame:
  • Pull back the weatherstrip and lay the strip caulk evenly along the bottom of the channel.
  • Continue applying the caulk all the way around the frame.

Step 4: Prepare for Windshield Installation

• Cut about 14 feet of rope to use for the inner weatherstrip:
  • Insert the rope into the channel where the weatherstrip will sit, starting from the top and working your way down.
  • Ensure the ends overlap at the top for easier installation.

Step 5: Install the Windshield

• Get assistance for this part:
  • With one person outside, carefully lift the windshield into place, resting the bottom first.
  • Ensure the windshield sits flat with an even gap around the edges.
  • Check that the clips for the moldings are positioned correctly.

Step 6: Secure the Windshield

• From inside the car, have an assistant apply pressure against the windshield while you pull the rope to seat the weatherstrip:
  • Focus on the corners, ensuring the weatherstrip fits perfectly around the edges.

Step 7: Apply Sealant

• Protect the car’s paint by taping around the windshield area.
• Prepare for a messy job:
  • Use a caulk gun to apply sealant along the inside edge of the windshield and follow the same process on the outside.
  • Make sure to apply a generous coating to ensure a good seal.

Step 8: Clean Up and Test

• Once the sealant is applied, clean off any excess with a solvent like Goo Gone.
• Conduct a water test to check for leaks:
  • Use low pressure and spray from the middle outward, checking for leaks before moving to the rear window.

Step 9: Reinstall Moldings

• Mark clip locations on the tape for accurate molding placement.
• Start with the lower molding, ensuring it is centered before pressing it into place.
• Use a mallet and wood block if necessary, being careful not to bend the moldings.
• Repeat for the side and top moldings, ensuring all clips are engaged.

Conclusion

Installing a windshield on a 1965-1968 Mustang is a detailed and time-consuming task that requires careful attention to each step. With patience and the right tools, you can achieve a professional look. After completing the windshield, consider inspecting and sealing the rear window in the same manner. Enjoy your newly installed windshield, and take pride in your Mustang restoration!