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 . . .
19.1b . . . 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
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:
Piston/connecting rod assemblies - removal and refitting
Note: A piston ring compressor tool will be
required for this operation.
Removal
1 Remove the cylinder head and the sump as
described in Sections 4 and 5 respectively. Do
not remove the oil pick- ...
Warm-up regulator - removal and refitting
Note: Refer to the precautions at the end of
Section 1 before proceeding. New banjo
union sealing washers must be used on
refitting.
Removal
1 The warm-up regulator is only used on KJetronic
sys ...
Fuel pump - testing, removal and refitting
Note: Refer to the warning at the end of
Section 1 before proceeding.
Testing
1 The fuel pump may be quite simply tested
by disconnecting the fuel inlet pipe from the
carburettor and placing its ...