Removal and refitting of the evaporator / heater radiator

EVAPORATOR

Be sure to promptly cap all air conditioning fittings after opening the air conditioning circuit to prevent moisture and contaminants from entering the circuit.

REMOVAL AND REFITTING

• Remove the heater-air conditioning unit (see relevant operation).
• Remove the bolts (1), (2) and (3) (Fig.25).

Fig. 25

• Separate the upper part (4) from the lower part (5) of the heater housing.
• Remove the screws (6), then the expansion valve (7).
• Remove the plate (8) and the gasket (9).
• Remove the evaporator (10).

When refitting, observe the following points:

• tighten the screws (6) in successive passes, coating them with compressor oil,
• replace the seals (11) and coat them with compressor oil,
• replace the desiccant cartridge,
• refill the cooling circuit, bleed it and check the coolant level,
• evacuate the air conditioner and recharge the circuit,
• check the operation of the air conditioning.

HEATER CORE

REMOVAL AND REFITTING

• Drain the coolant (see chapter 'ENGINE').
• Release and move the floor console rearward (see 'BODYWORK' chapter).
• Remove the trim panel located under the dashboard, on the left side.
• Remove the driver's seat mounting bolts and tilt the seat backward.
• Fold the floor mat to the side to access the heater core.
• Remove the screw (1), then fold back the tab (2) (Fig.26).
• Place rags around the heater core to absorb the coolant when opening the circuit.
• Remove the screws (3) and spread the clamps (4).
• Remove the pipes (5).

When refitting, observe the following points:

• replace the sealing gaskets, the clamp screws and the clamps,
• refill the cooling system, bleed it and check the coolant level.

Fig. 26