ENGINE MAINTENANCE — P.C.V. Valve (Cont'd) / Changing P.C.V. Filter / Vacuum Hoses / Vapor Lines
MA-15prose procedurePositive Crankcase Ventilation (P.C.V.) Valve (Cont'd)
Checking Ventilation Hoses
- 1Check hoses and hose connections for leaks.
- 2Disconnect all hoses and clean with compressed air. If any hose cannot be freed of obstructions, replace.
Changing Positive Crankcase Ventilation (P.C.V.) Filter
Remove air cleaner cover and air cleaner filter, and replace P.C.V. filter.
Checking Vacuum Hoses and Connections
Check vacuum hoses for improper attachment and for leaks, cracks, damage, loose connections, chafing and deterioration.
IMPORTANT
Refer to Vacuum Hose Drawing in ENGINE AND EMISSION CONTROL OVERALL SYSTEM in EF & EC section.
Checking Vapor Lines
- 1Visually inspect vapor lines for improper attachment and for cracks, damage, loose connections, chafing and deterioration.
- 2Inspect vacuum relief valve of fuel tank filler cap for clogging, sticking, etc.
IMPORTANT
Refer to EVAPORATIVE EMISSION CONTROL SYSTEM INSPECTION in EF & EC section.
See also
EF & EC — ENGINE AND EMISSION CONTROL OVERALL SYSTEM (Vacuum Hose Drawing) · EF & EC — EVAPORATIVE EMISSION CONTROL SYSTEM INSPECTION