LS 400 V8-4.0L (1UZ-FE) (1990)
a. disconnect the shaft from the control lever.
b. Remove the screw and the wire harness.
c. Remove two screws and the vent air duct.
ASSEMBLY
Assemble by following the disassembly procedure in reverse order.
HINT: Connect the center vent damper control plate and shaft with the defrost damper control plate and center vent damper control plate turned fully
counterclockwise.