October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
1978-79 Fiesta
- Disconnect crankcase ventilation hose at air cleaner. Start engine and idle. Place a 3 x 5 card over open end of hose. If vacuum does not hold card, disconnect hoses and remove cap.
- Soak cap in solvent for 5-30 minutes. Do not soak longer than 30 minutes. Shake cap dry, do not use compressed air. Reinstall cap and repeat above test. If system does not operate properly, replace cap assembly.