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:
Coolant pump/alternator drivebelt tensioner (DOHC models with power
steering) - removal and refitting
Removal
1 Remove the alternator drivebelt.
2 Loosen the alternator lower mounting
through-bolt, then remove the alternator
upper mounting bolt and swing the alternator
away from the engine.
3 Un ...
Major operations requiring engine removal
The following work can only be carried out
after removal of the engine from the car:
a) Crankshaft main bearings - renewal.
b) Crankshaft - removal and refitting.
c) Flywheel - removal and refitti ...
Cylinder head and pistons - decarbonising
1 With the cylinder head removed as
described in Section 7, the carbon deposits
should be removed from the combustion
surfaces using a blunt scraper. Take great
care as the head is of light alloy ...
