Lubrication & Maintenance/500 Hour/12 Month Closed Crankcase Ventilation System (If Equipped) 1. Inspect hoses (C, D and G) for kinks, blockage, or other damage. 2. Inspect check valve (H) for damage. (Valve is installed with black end toward crankcase). 3. Verify that crankcase oil drain tube (I) is not plugged. 4. Inspect CCV valve (A) for cracks or other damage.
RG12426 –UN–20NOV03 A—Closed Crankcase Ventilation (CCV) Valve B—Hose, CCV Valve to Intake Manifold C—Hose, Valve Cover to CCV Valve D—Valve Cover Vent Fitting E—Intake Manifold Fitting F—Cap Screw, CCV Valve to Bracket G—Oil Drain Hose H—Check Valve I—Crankcase Oil Drain Tube Closed Crankcase Vent RG12427 –UN–03FEB04 Closed Crankcase Vent OURGP11,000014F –19–06JAN04–2/2 30-10 021604 PN=147