Get Air Conditioning -> Special Features: Air Conditioning System Guide for Citroen C6 4 Door First Generation (2005-2012)

SPECIAL FEATURES: AIR CONDITIONING SYSTEM

Compressor

Condenser

The variable capacity air conditioning compressor has external control.

The internal pneumatic valve is replaced by an external electrovalve.

The condenser has a cylinder incorporating the function of aircon fluid

reservoir and with integral filtering cartridge.

NOTE: The filtering cartridge is not interchangeable.

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SPECIAL FEATURES: AIR CONDITIONING SYSTEM

Tightening

Requirements for fitting the inlet and outlet brackets:

- Aircon compressor.

- Aircon condenser.

- Aircon pressure reducer valve.

IMPERATIVE: Assembly requirement: the bracket(s) «f» must be against

their interface(s) before the nut(s) are tightened.

IMPERATIVE: Respect the tightening torques.

C5HP1CWC

205

SPECIAL FEATURES: AIR CONDITIONING SYSTEM (R 134.a)

Pollen filter

The pollen filter is located on the driver's side under the dashboard to the

right of the steering column.

IMPERATIVE: Respect the safety and cleanliness requirements.

Removing.

Remove the trim (1) under the dashboard (driver's side).

Release the tab at "b".

C5FP0S1C

Tilt, lift and remove the cover (2).

Remove the pollen filter (3).

NOTE: If the tab "b" is damaged, position a screw for soft materials at "a".

Refitting.

Refit the various components in reverse order to removal.

C5HP1BDD

206

SPECIAL FEATURES: AIR CONDITIONING SYSTEM (R 134.a)

Compressor lubricant

ESSENTIAL: The compressor lubricant is extremely hygroscopic; always use FRESH oil.

Checking the compressor oil level

There are three specific cases:

- 1) Repairs to a system without leaks.

- 2) Slow leak.

- 3) Fast leak.

1) Repairing a system without leaks.

a) - Using draining/recovery equipment not fitted with an oil decanter.

- Drain the system as slowly as possible via the LOW PRESSURE valve, so as not to lose any oil.

- No more oil should be added when filling the system with R 134.a fluid.

b) - Using draining/filling equipment fitted with an oil decanter.

- Drain the R 134.a fluid from the system in accordance with the instructions in the equipment handbook.

- Measure the amount of oil recovered.

- Add the same amount of NEW oil when filling the system with R 134.a fluid.

c) - Replacing a compressor.

- Remove the old compressor, drain it and measure the oil quantity.

- Drain the new compressor (supplied full), so that the same amount of NEW oil is left in the compressor as was in the old compressor.

- No more oil should be added when filling the system with R 134.a fluid.

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SPECIAL FEATURES: AIR CONDITIONING SYSTEM (R 134.a)

Checking the compressor oil level (continued)

2) Slow leak.

Slow leaks do not lead to oil loss, therefore the same procedure should be followed as if there was no leak at all.

3) Fast leak.

This type of leak causes both oil loss as well as allowing air to enter the system.

It is therefore necessary to:

- Replace the dryer.

- Drain as much oil as possible (when replacing the faulty component).

Either before or during filling of the system with R 134.a fluid, introduce 80 cc of NEW oil into the system.

If changing one of the following components, add as below:

- A drying bottle

: 15 cc of compressor oil.

: 20 cc of compressor oil.

: 5 cc of compressor oil.

: 15 cc of compressor oil.

- A condenser or an evaporator

- A high pressure or low pressure pipe

- A drying cartridge

208

Air Conditioning -> Special Features: Air Conditioning System for Your Citroen C6 4 Door First Generation (2005-2012)

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