Specifications

MAINTENANCE
Page 72 90-860168040 JANUARY 2004
0167.02
Positive Crankcase Ventilation Valve (PCV)
CHANGING
IMPORTANT: Use only Mercury MerCruiser replacement parts to ensure compliance
with emission regulations.
1. Remove PCV valve from port valve cover.
79697
a
b
a-PCV valve
b-Hose
2. Disconnect it from the hose and discard the valve.
3. Install a new PCV valve in valve cover and reconnect the hose.
4. Ensure valve is tightly seated in valve cover.