Back Window Glass: Installation

1. Using a scraper or similar tool, remove the adhesive and/or back window glass adhesive dam remaining on the back window glass.

Primer: 3M N-200, Sunstar #GP402, or equivalent

1. Remove the adhesive layer on the body using cutter knife or similar tool to obtain smooth surface of 2 mm {0.08 in} thick.
   Fig 5: Removing Adhesive Layer On Back Window Glass Body Using Cutter Knife

   Courtesy of SUBARU OF AMERICA, INC.
   CAUTION:

   • Do not damage the body.
   • Always leave a little amount of adhesive.
   CAPTIONS IN ILLUSTRATION
   
   

   *1	Body
   -	-
   	Adhesive
   -	-

   STANDARD VALUE
   
   

   Part	Dimension
   a	2.0 mm {0.079in}

2. Using the appropriate cleaner, clean the body installation surface.

1. Attach the suction rubber onto the back window glass.
2. Temporarily place the back window glass on the body, and set it so that the upper and side sections for the back window glass become equal in width (consistent clearance between body and back window glass edge).
3. Attach packing tapes or similar tapes on the back window glass and body panel, and put alignment marks on them with a pen for reinstallation. (When new back window glass is used.)
   CAUTION: From inside the vehicle, check that the back window glass stoppers and the body are engaged.
   NOTE: When back window glass will be reused, check and correct the position of the alignment marks.
   Fig 6: Identifying Alignment Marks On Back Window Glass And Body Panel

   Courtesy of SUBARU OF AMERICA, INC.
4. Detach the back window glass.
5. Apply primer on the body surface.

   Primer: The Dow Automotive U-413 or equivalent

   CAUTION: Do not apply the primer thickly.
6. Apply primer onto backside of the back window glass, where indicated in the figure.

   Primer: The Dow Automotive U-401, U-402, or equivalent

   CAUTION: Do not apply the primer thickly.
   Fig 7: Identifying Primer Applying Areas On Back Window Glass

   Courtesy of SUBARU OF AMERICA, INC.
   STANDARD VALUE
   
   

   Part	Dimension
   a	8.0 mm {0.315in}

7. Cut the tip of the adhesive nozzle, as shown in the figure.
   STANDARD VALUE
   
   

   Part	Dimension
   a	2.0 mm {0.079in}
   b	8.0 mm {0.315in}
   c	9.0 mm {0.354in}

   Fig 8: Cutting Adhesive Nozzle Tip

   Courtesy of SUBARU OF AMERICA, INC.
8. Set the adhesive into the sealant gun.

   Adhesive: The Dow Automotive ESSEX U-400HV or equivalent

9. Apply a bead of adhesive as shown in the figure.
   Fig 9: Identifying Adhesive Bead Applying Areas On Back Window Glass

   Courtesy of SUBARU OF AMERICA, INC.

1. Using the suction rubbers, position the alignment marks and install the back window glass.
   Fig 10: Identifying Alignment Marks On Back Window Glass

   Courtesy of SUBARU OF AMERICA, INC.
   CAUTION: From inside the vehicle, check that the back window glass stoppers and the body are engaged.
2. Lightly press the front side of the back window glass to fit completely.
   NOTE: Pressing force: 98 N {10 kgf} {22.0 lbf} or more
3. Using a spatula, remove or add adhesive if any excess and/or shortage is found.
4. Remove excess adhesive before cure.
5. Using protection tapes or similar tapes, hold the back window glass until the adhesive cures completely.