Remove the air cleaner assembly.
Disconnect the output shaft (countershaft) speed sensor connector, and remove the output shaft (countershaft) speed sensor (A).

Install a new O-ring (B) on the new output shaft (countershaft) speed sensor, then install the output shaft (countershaft) speed sensor.
Check the connector for rust, dirt, or oil, then connect the connector securely.
Install the air cleaner assembly.
Visual Index
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A/T Differential Backlash Inspection (A/T)
Install the driveshaft and intermediate shaft into the differential
assembly, and place the axles on V-blocks (A).
Measure the backlash of the pinion gears (B) wit ...
PCV
Fuel and Emissions System Description - PCV System
Positive Crankcase Ventilation (PCV) System
The PCV valve prevents blow-by gasses from escaping into the atmosphere
by venting them into the ...