M/T
Raise the vehicle on a lift.
Disconnect the output shaft (countershaft) speed sensor connector (A).

Remove the output shaft (countershaft) speed sensor (B).
Install the parts in the reverse order of removal with a new O-ring (C).
Fuel Pump/Fuel Gauge Sending Unit Replacement
Remove the fuel tank unit.
Remove the fuel level sensor (fuel sending unit) (A) from the fuel tank
unit (B).
Check these items before installing the fuel tank ...
Door Glass Adjustment
NOTE: Check the weatherstrips and glass run channel for damage or deterioration,
and replace them if necessary.
Place the vehicle on a firm, level surface.
Remove these items:
...
Regulator Valve Body Disassembly, Inspection, and Reassembly (A/T)
Clean all parts thoroughly in solvent, and dry them with compressed air.
Blow out all passages except the air check valve filter.
Inspect the regulator valve body for scoring and ...