Remove the drain hose (A), then remove the mounting nuts and the blower-heater unit (B).
Remove the self-tapping screws and the heater core cover (A).
Online Reference Owner's Manual
This owner’s manual should be considered a permanent part of the
vehicle and should remain with the vehicle when it is sold.
This owner’s manual covers all models of your vehicle. You may find ...
Output Shaft (Countershaft) Speed Sensor Replacement (A/T)
Remove the air cleaner assembly.
Disconnect the output shaft (countershaft) speed sensor connector, and
remove the output shaft (countershaft) speed sensor (A).
...
Features
This chapter describes how to operate technology features. ...