Heater radiator
1 - casing; 2 - electric heating element; 3 - heater radiator; 4 - sticker; 5 – heater sealant assembly; 6 - bulkhead shield seal; 7 - sealing ring; 8 - radiator pipe; 9 - bolt; 10 - «mass» the wire; 11 - connecting block; 12 - front retainer of the casing
Connecting hoses to the heater core
1 - outlet hose; 2 - inlet hose; 3 - clamp; 4 - radiator pipe; 5 - bolt
Removal of a casing of a radiator of a heater
1 - spring clips; 2 - casing; 3 - lower air duct adapter
On some models, an electric heating element of the heater is installed, which additionally heats the air. The element is switched on by the engine control unit, depending on the ambient air and coolant temperature and the generator load, with the knob on the heater control panel set to maximum heating.
1. Disconnect the wire from the terminal «-» battery.
2. Remove the floor console.
3. Drain the liquid from the engine cooling system or pinch the outlet 1 (see fig. Connecting hoses to the heater core) and supply 2 heater radiator hoses (if the heater core is removed for replacement, the fluid must be drained).
4. On the side of the engine compartment, mark the position of the heater pipe 4 and unscrew the bolt 5 of its fastening. Remove the hose and set it aside along with the hoses.
5. Plug the holes in the radiator 3 (see fig. heater radiator) heater.
6. On models with electric heating element 2, disconnect block 11 with wires from the harness on the left side of the heater and «mass» wire 10.
7. Remove adapter 3 (see fig. Removal of a casing of a radiator of a heater) bottom air duct.
8. Remove the spring clips 1 fastening the heater radiator casing from three sides.
9. Lower and slide the casing 2 of the heater radiator towards you to disengage its front lock 12 (see fig. heater radiator).
10. Take out a casing 1 of a radiator of a heater from under the panel of devices on the right side.
11. Remove heater core 3 from casing 1.
12. Replace torn or loose sealing rings 7 of the branch pipe.
13. Install the heater core in reverse order. At the same time, please note that sticker 4 on it, indicating the inlet and outlet directions, must be on top. Install the branch pipe in accordance with the previously made marking, firmly inserting it into the seal 6 on the front shield.
14. Check the level and add coolant if necessary (When replacing the heater core, add new fluid to the engine cooling system).
The tightening torques of the bolt for fastening the pipes of the heat exchanger are 20 Nm.