Other information:
Replacement
1.
Remove the rear door window glass.
(Refer to Rear Door - "Rear Door Window Glass")
2.
Remove the rear door outside handle.
(Refer to Rear Door - "Rear Door Outside Handle")
...
Inspection
1.
After disconnecting the vapor hose from the PCV valve, remove the PCV
valve.
2.
Reconnect the PCV valve to the vapor hose.
3.
Run the engine at idle, then put a finger over the open end ...