- move lever 6 all the way to the right (pic. 8-32) control valve 14 of the heater and drain the liquid from the engine cooling system;
- disconnect the wire «weight» from the storage battery;
- unscrew the fastening screws, remove the instrument panel shelf and the radio panel, disconnecting the wires from it;
- remove the air duct 1 of the internal ventilation by unscrewing the fastening screws;
- loosen the clamps and disconnect from the pipes 13 of the heater rubber hoses for supplying and discharging liquid;
- unscrew the two fastening bolts inside the engine compartment and remove the heater radiator pipe seal;
- loosen the bolt of the bracket for fastening the sheath of the flexible rod on the crane, and remove the rod from the crane;
- remove the heater fan motor switch and disconnect the wires from it;
- remove the four spring holders and the casing 15 of the heater fan assembly;
- remove the instrument panel, through the opening for it in the instrument panel, loosen the screw of the flexible rod bracket of the air intake cover 9 and remove the rod from the lever;
- unscrew the nuts fastened from the casing 11, the radiator 12 and the air intake box 10, disconnect the wire «weight», fixed under one of the nuts, remove the casing and air intake box;
- if necessary, remove the air duct 7 connected to the deflectors 8 with two rubber seals.
Pic. 8-32. Cabin heater: 1 - air duct for internal ventilation; 2 - air distribution cover lever; 3 - electric fan; 4 - bracket for control levers; 5 - air intake cover control lever; 6 - heater tap control lever; 7 - air duct of rotary deflectors; 8 - rotary deflectors; 9 - air intake cover; 10 - air supply box; 11 - radiator casing; 12 - radiator; 13 - pipes for supplying liquid and draining from it; 14 - crane; 15 - fan casing; 16 - air distribution cover
Install the heater in the reverse order. Pay attention to the correct position of the sealing gasket between the radiator casing and the body, to the reliability of tightening the clamps of the rubber hoses.
After installing the heater on the car and connecting all the hoses to the engine, fill the cooling system with liquid and check the tightness of the heater connections.