GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
1998
🢒
Regal
🢒
Engine
🢒
Engine Controls - 3.8L
🢒 Crankcase Ventilation System Inspection
Crankcase Ventilation System Inspection VIN 1
Removal Procedure
While holding down the crankcase ventilation valve access cover (1), remove the 2 access cover retaining bolts.
Remove the crankcase ventilation valve access cover (1).
Remove the crankcase ventilation valve (2), spring, and O-ring (3).
Installation Procedure
Install the crankcase ventilation valve, spring, and new O-ring.
Install the crankcase ventilation valve access cover.
While holding down crankcase ventilation valve access cover, install the 2 access cover retaining bolts.
Crankcase Ventilation System Inspection VIN K
Removal Procedure
Remove the injector sight shield from the fuel rail and intake.
Remove the MAP sensor (1).
Use a 16 mm socket to press the access cover (2) down and rotate 1/4 turn counterclockwise.
Remove the access cover.
Remove the PCV valve (3) and the O-ring (4) from the intake manifold.
Installation Procedure
Install the crankcase ventilation valve(3)..
Replace the O-ring (4) if necessary
Install the access cover (2).
Install the MAP sensor (1).
Install the sight shield.