Toyota Tundra 2005 Service - Repair - Maintenance page 3624

PC-8
FOAMED MATERIAL APPLICATION AREAS
The sections shown in the figure below are filled with foamed material to provide noise insulation.
After repairing these sections or their peripheries, refill with foamed materials
HINT:
1) Use the service holes located on the reverse side of the body panel to refill with foamed materials.
2) When handling foamed material, follow the directions of the material's manufacturer.
PAINT _ COATING
F16911