4-31. REMOVE/INSTALL ECU INTAKE DAMPER/MOTOR.
This task covers:
General Mechanics Tool Kit, (Appendix B, Section III, Item 2)
General Safety Instructions
Before performing any maintenance actions on electrical equipment, ensure all electrical power
has been turned off. Death or serious injury may occur from failure to do this.
Remove ECU Intake Damper. See figure 4-20.
Loosen eight captive screws and remove screen and filter from ECU intake.
Remove two screws and cover from junction box located on plenum. Tag for reconnection and disconnect motor
leads. Attach line to leads to facilitate installation.
From plenum, remove eight screws, flat washers, and nuts that fasten damper enclosure to plenum.
From the open junction box, remove flat lock nut from conduit and carefully remove damper and motor from
Loosen conduit nut and remove conduit from motor.
Remove two screws, flat washers, lock washer and nuts that attach motor linkage to damper blade.
Remove two screws, lockwashers, flat washers and separate motor with linkage from damper motor mounting
Detach linkage from defective motor.