Disconnect the MAP sensor connector (A).

Remove the MAP sensor (B).
Install the parts in the reverse order of removal with a new O-ring (C).
Chassis
...
Removal
NOTE: Do not allow dust, dirt, or other foreign materials to enter the
steering gearbox.
Remove the steering gearbox.
Remove both tie-rod ends from the rack ends.
R ...
Secondary Shaft 2nd Gear Axial Clearance Inspection (A/T)
Install the thrust needle bearing (A), the needle bearing (B), 2nd gear
(C), the thrust needle bearing (D), the 43 x 54.5 mm thrust washer (E), the
39 mm cotters (F), and the cotter retain ...