To remove the heater, perform the following operations:
- drain the liquid from the engine cooling system, following the recommendations outlined in the section «Removal and installation of the engine»;
- disconnect the ground wire from the battery;
- disconnect the electrical wires from the fan motor and resistor 10 (see fig. 8-66);
- loosen clamps 10 (pic. 8-65), disconnect the outlet and inlet hoses 9 of the radiator 1 of the heater from the branch pipes of the engine cooling system;
Pic. 8-65. Heater details:
1 - heater radiator;
2 - left heater casing;
3 - control lever for the heater control damper;
4 - intermediate lever;
5 - screw;
6 - sector of levers;
7 - lever for actuating the damper of the air distributor;
8 - heater control damper;
9 - heater hoses;
10 - collar;
11 - hose screen;
12 - bracket;
13 - air distribution damper;
14 - sealant;
15 - right heater casing;
16 - air duct for heating the passenger's legs;
17 - radiator gasket.
- unscrew the two screws and remove the bracket 12 of the screen 11;
- remove air ducts for ventilation 1, windshield heating 2, interior heating front 9 and rear 10, heating feet 11 for driver and passenger;
- Disconnect the distribution damper drive rod 1 (pic. 8-64), recirculation damper actuator rod 4, heater control damper actuator rod 11 from heater and fan dampers;
- remove the water deflector, air filter 5 (see fig. 8-57), housing 6 of the air intake filter and remove the fan assembly with the intermediate air duct 4;
- unscrew two screws securing the intermediate housing 3 and two screws securing the heater 15 to the instrument panel cross member;
- unscrew the bolts securing the cross member of the instrument panel to the steering shaft bracket, to the side brackets and remove the cross member;
- remove the heater assembly.
Remove the connecting brackets and disconnect the left 2 (see fig. 8-65) and right 15 heater casings. Turn away screws and remove a radiator of 1 heater.
Disconnect the intermediate air line 1 (see fig. 8-66) from snail 9 fan. Loosen the screws and separate the left 4 and right 7 air intake housings.
Pic. 8-66. Dismantling the heater fan:
1 - intermediate air duct;
2 - recirculation damper drive lever;
3 - air intake damper lever;
4 - left air intake housing;
5 - recirculation damper;
6 - nut;
7 - right air intake housing;
8 - air intake shield;
9 - fan snail;
10 - additional resistor;
11 - fan flange seal;
12 - heater electric fan.
Remove the brackets and separate the top and bottom of the fan volute.
Turn away screws and remove the electric motor 12 of the fan of a heater.
Install the heater in the reverse order. After installing and connecting the hoses, fill the engine cooling system with liquid and check the tightness of the connections.