B Series Truck L4-2209cc DSL (1982)
Evaporative Emissions System: Testing and Inspection
Fig.47 - Checking Evaporative Line Using "U" Tube Pressure Gauge
Checking Evaporative Line
1. Disconnect evaporative hose from canister.
2. Using a suitable "U" tube pressure gauge, Fig. 47 connect disconnected hose to "U" tube pressure gauge.
3. Gradually apply low compressed air into "U" tube for 5 minutes. If water level drops, evaporative line is in proper condition. If water level
remains the same, replace evaporative line.
Canister
Visually check canister for leaks. Tap canister and listen for any abnormal sounds, replace canister as required.
Fig.48 - Testing Check And Cut Valve
Check & Cut Valve
