How to remove the Changan Star heater water tank

Removal and installation of heating device.

(1) Drain the coolant in the cooling system.

(2) Remove the control board.

(3) Detach the cable fixing on the left side of the heater device and remove the screws on the wire terminals.

(4) Unlock the wire connector behind the blower motor.

(5) Disconnect the vacuum tube and lighting wire behind the heater control device.

(6) Place a container under the engine and under the water supply pipe of the heater device behind the cylinder head.

(7) Disassemble the water supply pipe of the heater device behind the cylinder head.

(8) Disassemble the return hose of the heater device on the thermostat shell, insert the foot pump hose into the return pipe of the heater device, and pump the cooling hydraulic pressure from the water supply pipe into the container. , and blow out the remaining coolant in the heater device.

(9) Remove the two connecting bolts and then separate the return pipe.

(10) Pull out the right air pipe under the return pipe on the heater device.

(11) Remove the two bolts on the other side and separate the water supply pipe from the flange joint.

(12) Pull out the air pipe under the water supply pipe on the left side of the heater device.

(13) Remove the water supply pipe fixing bracket on the left side of the fire wall.

(14) Loosen the mounting bracket nut under the water supply pipe bracket.

(15) Loosen the right mounting bracket nut under the return pipe.

(16) Remove the two mounting nuts on the top of the heater unit.

(17) Disconnect the control wire of the blower motor switch.

(18) Disconnect the control wire from the main air door on the side of the heater device.

(19) Detach the heater unit from the mounting studs, then lift up and remove the heater unit from the vehicle.

(20) Install in the reverse order of disassembly. But it should be noted that when connecting the blower control wire, you must first connect the wire to the switch, then move the switch to the "MAX" position, connect the control wire end to the main air door arm, open the main air door and reach the top, and then Position the outer pull wire; after all work is completed, add coolant according to regulations.