Withdrawal
29. Before starting work, make sure that the engine is completely cool.
30. Open the hood, on the motor shield, find the connection point of the heater hoses to the heater fittings.
31. To collect the coolant, place a suitable container under the hoses.
32. Clamp the hoses with suitable clamps. Loosen the clamps and pull the hoses off the fittings (pic. 9.32, a, b). Drain the liquid into a serving dish.
33. If it is possible to use compressed air, connect the compressor hose to the left fitting and blow out the heater radiator with low pressure to expel the remaining liquid in it.
Warning: Wear protective goggles when working with compressed air.
34. If there is no compressed air, please note that there is still a fair amount of coolant left in the radiator, which, when the radiator is removed, will be drunk in the cabin.
35. Remove the rubber seal from the hole in the engine shield, pull it off the fittings and remove it from under the hood (pic. 9.35).
36. Remove the bezel completely as described in chapter 11. On early models, the heater is attached to the back of the front panel.
Models up to 1996
37. Disconnect the wiring connector between the heater unit and the front panel. Place tags on connectors to avoid confusion during reassembly.
38. Turn away screws of fastening and remove a heater from the back party of the forward panel. Remove the heater from the vehicle, holding it vertically so that no coolant can be poured.
Models since 1997
39. Remove the bolts and disconnect the left and right front panel mounting brackets from the floor panels (pic. 9.39, a, b).
40. Disconnect the air ducts to the rear passengers in front of the air distributor block to the feet of the driver and front passenger. Loosen the fixing screws and remove the air distributor block from the base of the heater block (pic. 9.40, a, b).
41. Disconnect the heater wiring from the multi-pin connector. Label the connectors to prevent confusion during installation. Release the wiring from the various fasteners on the side of the heater block.
42. Turn away screws of fastening and remove a heater from a motor shield, towards the passenger. The heater gasket may "dry up" to the engine shield - gently rock the block to remove it.
43. When removing the block from the car, hold it vertically so as not to spill coolant (pic. 9.43).
Installation
44. Installation - reverse procedure. Pay attention to the following:
- A) If the gasket is damaged, use a new one to install.
- b) Make sure that all air ducts and covers are properly mounted on the chassis, wiring is properly routed.
- V) Attach the hoses securely to the heater core. The supply hose from the block head is connected to the left fitting, the return hose to the right.
- G) Don't forget to install the rubber seal of the fittings on the engine shield.
- d) Finally, top off the coolant and bleed the system as described in the appropriate section chapter 1.
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