Please see T-SB-0004-21 Revision 1 (needed)

2010-2020 Toyota Sienna

May 04, 2021 Rev1
Applicability has been updated to include 2010 and 2013 – 2020 model year Sienna vehicles. Any previous printed versions of this bulletin should be discarded.

The information contained in this bulletin supersedes Service Bulletin No. T-SB-0052-13. Service Bulletin No. T-SB-0052-13 is obsolete and any printed versions should be discarded.

Some 2010 – 2020 model year Sienna vehicles may exhibit a condition where the front door glass run on either the right-hand or left-hand side comes loose from the door channel during window operation. Follow the Repair Procedure in this bulletin to address this condition.

This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months or 36,000 miles, whichever occurs first, from the vehicle’s in-service date.
Warranty application is limited to occurrence of the specified condition described in this bulletin.

Repair Procedure:
1. Visually inspect the vehicle to confirm the condition exists. Does the front door glass run on either the right-hand or left-hand side come loose from the door channel during window operation?
YES — Continue to step 2.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.

2. Remove the front door glass run

3. Clean the door channel in the upper B-pillar corner with isopropyl alcohol as shown.

4. Apply 3M™ Black Super Weatherstrip Adhesive to the areas shown. The top section bead should be AT LEAST 3 in. long, and the B-pillar bead should be AT LEAST 4 in. long

5. Install the NEW front door glass run.

6. Use a plastic tool to press in the upper rear corner of the glass run to help fully seat the glass run.

7. Visually check around the upper rear corner for any excess sealer that might be outside the door channel. Clean off the excess sealer.

8. Confirm the window operates properly and the front door glass run stays in place by cycling the window once and leave the window in the full closed position.
Advise customer NOT to operate the window for 24 hours.