Heater unit - overhaul

1 With the heater unit removed from the vehicle, remove the two securing screws and withdraw the heater matrix from the casing (see illustrations).

19.1a Remove the securing screws . . .
19.1a Remove the securing screws . . .

19.1b . . . and withdraw the heater matrix
19.1b . . . and withdraw the heater matrix

2 Cut the heater casing gasket in line with the casing joint, then use two suitable screwdrivers to prise off the retaining clips and separate the casing halves. Withdraw the lower part of the casing to the side.

3 Remove the air flap valves, then press the control levers from the casing. Note that the “up/down” control lever can only be removed when the marks are aligned as shown (see illustration).

19.3 Heater “up/down” control lever must be aligned as shown before removal
19.3 Heater “up/down” control lever must be aligned as shown before removal Note that the cross marks are for right-hand drive vehicles

4 Clean all components and hose through the matrix to remove any debris. If necessary use a chemical cleaner to clear the inner passage of the matrix. Renew the components as necessary.

5 Reassembly is a reversal of dismantling.

    See also:

    Fuel filter renewal - fuel injection engines (Every 24 000 miles or 2 Years)
    Warning: This procedure may result in some fuel spillage. Before carrying out any operation on the fuel system refer to the precautions given in Safety First! at the beginning of this manual and ...

    General information and precautions
    General information The fuel system comprises a centrally mounted fuel tank, electrically-operated fuel pump and Bosch K-Jetronic or KE-Jetronic continuous injection system according to model. Th ...

    Washer nozzles - removal and refitting
    Windscreen and rear window washers 1 To remove a nozzle, carefully prise it from its location using a thin-bladed screwdriver. Disconnect the washer hose and withdraw the nozzle. 2 To refit, rec ...