Models not equipped with air conditioning
Heater cover assembly
1. In case of need give nuts of fastening of the top support of racks of a suspension bracket and remove from the car a rack-mount strut.
2. Acting in accordance with the instructions given in the relevant Part of the Chapter Supply system, perform the following procedures:
- a) On 1.3L SPFI petrol models, remove the air cleaner assembly;
- b) On 1.3L MPFI petrol models, loosen and remove the throttle body assembly from the intake manifold. Take the assembly aside without disconnecting the accelerator cable, electrical wiring and connecting hoses;
- c) On 1.6L petrol models, remove the intake air intake sleeve;
- d) On diesel models, remove the top section of the intake manifold.
3. Release the fasteners securing the air intake to the top of the heater casing...
... remove the air intake from the engine compartment.
4. Remove the battery (see chapter Engine electrical equipment).
5. Remove the instrument panel and cigarette lighter (see chapter Onboard electrical equipment).
6. Locate and disconnect the electrical connector for the interior heating/ventilation control panel on the left side of the casing.
Note. If access to the connector is limited, it can be disconnected after removing the cover.
7. Through the hole for the installation of the cigarette lighter, release the latch securing the air supply hose to the foot well to the base of the heater casing.
8. In the engine compartment, pinch the heating path hoses to minimize coolant losses. Place a rag under the fittings of the heat exchanger of the heater, then release the clamps and disconnect both hoses. Wash off spilled coolant immediately with water. Cover the heater cover with a rag.
9. Give nuts of fastening of assembly of a casing of a heater to a bulkhead of an impellent compartment.
10. Have an assistant make sure that the system control panel is released from the instrument panel, then lift the cover assembly with the control panel and remove it from the vehicle,
...disconnect the wiring connector as you gain access Lay the assembly with the fittings up to minimize coolant loss.
11. Installation is carried out in the reverse order. Particular attention should be paid to the following points:
- a) Before installation, check the condition of the bulkhead gasket, if necessary, replace it;
- b) Follow the correct fit of the casing assembly and the reliability of fastening the air ducts and nozzles, only after that proceed to tighten the fixing nuts;
- c) Track the reliability of fastening on the fittings of the heat exchanger of the corresponding hoses;
- d) Finally, add the required amount of the mixture of the required composition to the cooling system.
Interior heating/ventilation control panel
1. Remove the heater casing assembly with the control panel.
2. Try to remember the installation position of each of the drive cables (cable ends are color coded). Then, using pliers, release the mounting clips and disconnect the cables from the panel.
3. Disconnect the electrical wiring from the heater fan drive motor, then separate the panel from the casing.
4. Assembly is carried out in the reverse order. Follow the correct laying and the reliability of fastening in their regular places of all drive cables. Before final installation of the cover assembly on the vehicle, check the operation of the control switches.
Fan Drive Electric Motor - Petrol Models
1. Release fastening and remove an air inlet from a heater casing.
2. Remove the battery for access.
3. Walk along the electrical wiring from the heater fan motor to the connector. Unplug connector...
and release the rubber bushing of the harness from the casing, then pull the harness out of the casing.
4. Turn out fixing screws, release clamps and remove assembly of a basic plate of the electric motor of the fan from a heater casing.
5. While releasing from the latches, remove the covers,
then loosen the screw
and separate the motor from the plate.
6. Assembly is carried out in the reverse order. In conclusion, do not forget to reinstall the battery and check the freedom of rotation of the heater fan impeller.
Fan Drive Electric Motor - Diesel Models
1. Remove the battery for access.
2. Release the clamps and remove the air intake from the heater casing.
3. Disconnect the fan wiring connector.
4. Give fixing nuts and remove assembly of a basic plate of the electric motor from a heater casing.
5. To gain access to the motor, release the latches and remove the covers. Loosen the pinch bolt and remove the motor from the base plate.
6. Installation is carried out in the reverse order. Finally, replace the battery and check the freedom of rotation of the impeller.
Heater blower motor resistor - petrol models
1. The resistor is located in the engine compartment and is fixed on the right wall of the heater casing assembly. On left-hand drive models, the battery must be removed to gain access to the resistor.
2. Disconnect the electrical connector, then release the resistor from the clamps and remove it from the casing.
3. Installation is carried out in the reverse order. Make sure the resistor is secure.
Heater blower motor resistor - diesel models
1. The resistor is located in the engine compartment and is fixed on the left wall of the heater casing assembly. The battery must be removed to gain access to the resistor.
2. Disconnect electrical connectors. Try to remember the order in which they are connected.
3. Turn out fixing screws and remove the resistor from a casing.
4. Installation is carried out in the reverse order.
Heater Heat Exchanger - Petrol Models
1. Remove the heater cover.
2. Loosen the fixing screw and remove the heat exchanger from the casing.
Attention! Take care not to injure your fingers on the sharp edges of the heat exchanger plates!
3. Before installation, check the condition of the sealing foam of the heat exchanger. Carefully slide the assembly into place in the housing and securely tighten the mounting screw. Then reinstall the cover.
Heater Heat Exchanger - Diesel Models
1. On LHD models, remove the battery.
2. On all models in the engine compartment, clamp the hoses going to the heater heat exchanger with clamps. Place a rag under the fittings, then release the clamps and disconnect both hoses. Collect traces of the spilled liquid, cover the heater casing with a rag.
1 - Fixing nut; 2 - Drive cable; 3 - Drive cable; 4 - Cable guide; 5 - Executive lever; 6 - Clamping bolt; 7 - Cable; 8 - Clamping bolt
3. Loosen the clamping bolts and disconnect the drive cables from the heat exchanger thermostat rod. Release the clamp and disconnect the top cable sheath, then loosen the top and bottom fixing nuts and remove the damper actuator lever from the casing.
4. Carefully releasing from the clamps, remove the upper part of the heat exchanger cover from the heater casing.
5. Carefully remove the heat exchanger.
Attention! Do not cut your fingers on the sharp edges of the plates!
6. Installation is carried out in the reverse order. Don't forget to check the condition of the sealing compound.
Models equipped with air conditioning
Warning! Never disconnect refrigeration lines (see Section Air conditioning system - general information and precautions)!
Assembling the heater casing with the control panel
The removal and installation procedures of the assembly should be entrusted to the specialists of the car service workshop due to the need to disconnect the refrigerant pipes from the expansion valve of the A/C evaporator.
Heater fan drive electric motor
1. In the engine compartment, remove the clamps and remove the heat shield from the heater casing.
2. Locate and disconnect the fan motor wiring connector at the front of the shroud. Push the rubber grommet into the housing.
3. Disconnect the vacuum hose from the intake flap diaphragm assembly. Also disconnect the stem from the diaphragm rod.
4. Turn out fixing screws, release collars and, releasing electroconducting, remove an air inlet from the top part of a casing of a heater.
5. Turn out fixing screws and remove assembly of a driving electric motor.
6. Installation is carried out in the reverse order. Make sure the electrical wiring grommet is seated correctly. C. In conclusion, check the correct operation of the air intake damper.
Fan Motor Resistor
1 The resistor is located in the engine compartment on the left wall of the heater casing. Remove the battery to gain access to the resistor.
2 Disconnect the electrical connector, release the resistor from the clips and remove it from the casing.
3 Install in reverse order. Track reliability of fastening of the resistor on a casing.
Heater heat exchanger
The procedures for removing and installing the heat exchanger should be entrusted to car service specialists due to the need to disconnect the refrigeration lines from the evaporator expansion valve (see Section Air conditioning system - general information and precautions).