Heater Core Case: Service and Repair
Removal and Installation
- Remove and install instrument panel trim.
- Unscrew mounting bolts and take off fresh air grill.
- Unscrew mounting screws for cover.
- Pull off rubber seal as required.
- Remove cover and tilt forward.
• Installation: Be careful not to pinch vacuum hoses for fresh air flaps.
- Discharge pressure from coolant tank (unscrew cap).
- Detach coolant feed hose at heater.
- Detach vacuum hoses.
• Installation: Attach vacuum hoses that colors match. Fill and bleed cooling system.
- Detach coolant return hose at heater.
- Detach vacuum hose.
- Bend open duct mounting clamp. Disconnect central plug. Remove duct cover downward.
• Installation: Make sure that air duct is connected to heater.
- Detach center strut at top left and right.
- Detach center strut at bottom left and remove.
- Remove insulation. Discharge air conditioner. Detach refrigerant lines (2 and 3) at heater/air conditioner. Disconnect extra harness (1).
• Installation: Charge air conditioner. Insulate refrigerant line again.
- Detach heater from passenger compartment at top and bottom, left and right.
- Detach heater at spray wall, left and right. Remove heater toward inside. Detach condensation hoses at bottom of heater/air conditioner.
- Reverse procedure to install.