Remove the harness holder (A).

Check the PCV valve (A), the hoses (B), the pipe (C), and the connections for leaks or restrictions.

At idle, make sure there is a clicking sound from the PCV valve when the hose between the PCV valve and the intake manifold is lightly pinched (A) with your fingers or pliers.
If there is no clicking sound, check the PCV valve washer for cracks or damage. If the washer is OK, replace the PCV valve and recheck.

Mainshaft Bearing and Oil Seal Replacement (M/T)
Special Tools Required
Driver Handle, 15 x 135L 07749-0010000
Bearing Driver Attachment, 37 x 40 mm 07746-0010200
Bearing Driver Attachment, 52 x 55 mm 07746-0010400
Adjustable Bearing Puller, ...
Fuse Access Panel Removal/Installation
NOTE:
Take care not to scratch the dashboard or its related parts.
Do not pry on the panel surface with any tools.
Pull the fuse access panel (A) back by hand to release the ...
Transmission Side - Release Bearing Inspection
Check the play of the release bearing by spinning it by hand. If there is
excessive play or noise, replace the release bearing.
NOTE: The release bearing is packed with grease. Do not ...