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:
Modulator drivebelt (antilock braking system) - removal and
refitting
Note: Whenever an ABS modulator adjuster
bolt is slackened or removed, the bolt threads
should be lightly coated with grease to
prevent the possibility of bolt seizure. Take
care not to contaminat ...
Front suspension lower arm inner pivot bush - renewal
1 To improve access, raise the front of the
vehicle on ramps. Apply the handbrake.
2 Unscrew and remove the nut, washer and
pivot bolt securing the relevant lower arm to
the crossmember.
3 Remove ...
Heater unit - removal and refitting
Removal
1 Disconnect the battery negative lead.
2 If the coolant is still hot, release the
pressure in the system by slowly unscrewing
the expansion tank cap. Place a thick rag over
the cap to pr ...
