Express 1/2 Ton Van V8-305 5.0L VIN M SFI (1998)
Heater Core: Service and Repair
Auxiliary System
Bottom Case Removal (Auxiliary Heater)
Remove or Disconnect
1. The negative Battery Cable.
2. The left rear quarter trim panels.
3. The auxiliary heater from the vehicle.
4. The retainers from the bottom of the auxiliary heater case.
5. The heater core from the case.
Install or Connect
1. The heater core to the case.
2. The retainers to the bottom of the auxiliary heater case.
3. The auxiliary heater to the vehicle.
4. The left rear quarter trim panels.
5. The negative Battery Cable.
6. Verify that all engine grounds are clean and tight to ensure no electrical current can flow through the coolant.
NOTICE: A milliamp of electrical current in the coolant can cause premature wear on cooling components. Ensure that all engine grounds
are clean and tight and repair as necessary.
