Econoline E350 1 Ton V8-5.4L CNG VIN M (1999)
Heater Hose: Service and Repair
Removal and Installation
REMOVAL
1. Drain the cooling system.
2. Disconnect the quick disconnect heater hose couplings at the heater core. See: Heater Hose Couplings
3. Remove the engine cover.
4. Disconnect the supply heater water hose at the engine.
5. Disconnect the return heater water hose at the engine.
6. Disconnect the quick disconnect heater hose couplings from the heater water hoses.
NOTE: This step must be performed if the vehicle is equipped with an auxiliary A/C-heater system.
7. Remove the heater water hoses.
INSTALLATION