Heater matrix - removal and refitting

Removal
1 With the heater removed from the vehicle as previously described, extract the two securing screws and slide the matrix out of the heater casing.

2 If further dismantling is necessary, cut the casing seal at the casing joint, prise off any securing clips and separate the two halves of the casing.

3 Remove the air flap valves. It should be noted that the lever for the air distribution valve can only be removed when the mark on the lever is in alignment with the one on the gearwheel (see illustration).

12.3 Air distribution valve lever and gear marks (arrowed)
12.3 Air distribution valve lever and gear marks (arrowed)

4 If the heater matrix is leaking, it is best to obtain a new or reconditioned unit. Home repairs are seldom successful. A blocked matrix can sometimes be cleared using a cold water hose and reverse flushing, but avoid the use of searching chemical cleaners.

Refitting
5 Reassembly is a reversal of removal. Take care not to damage the fins or tubes of the matrix when inserting it into the casing. Refit the heater with reference to Section 11.

    See also:

    Driveshaft check (Every 12 000 miles or 12 months)
    1 Carry out a thorough inspection of the driveshafts and joints as follows. 2 Jack up the front of the car and support it securely on axle stands (see “Jacking and Vehicle Support”). 3 Slowly rot ...

    Bodywork and fittings
    General information The model range includes 4-door Saloon, 3 and 5-door Hatchback, 5-door Estate, and 2- door Pick-up body styles. Each body is of all-steel welded energyabsorbing monocoque cons ...

    Ignition system component check (Every 6000 miles or 6 months)
    1 Where applicable, remove the distributor cap and thoroughly clean it inside and out with a dry lint-free cloth. Examine the four HT lead segments inside the cap. If the segments appear badly bur ...