Main Valve Body Disassembly, Inspection, and Reassembly (A/T)
Clean all parts thoroughly in solvent, and dry them with compressed air.
Blow out all passages.
Do not use a magnet to remove the check balls, it may magnetize the check
balls. ...
Removal (Part -3)
Remove the secondary HO2S harness bracket (A) from the steering gearbox.
NOTE: Do not disconnect the secondary HO2S 4P connector and the secondary HO2S.
...
Changing the Engine Oil and Filter
Always change the oil and filter according to the maintenance messages shown
on the information display. The oil and filter collect contaminants that can damage
your engine if they are not removed ...