Dryer Cartridge, on Denso Condenser
Dryer Cartridge, On Denso Condenser
• A condenser will be a different version on 5 cylinder engine only, as opposed to a 6 cylinder engine). This condenser - A - has an integrated reservoir - B -. This reservoir - B - has a dryer cartridge installed in it, which currently is not available as a replacement part. Therefore, with this kind of customer complaint about this vehicle, where the dryer cartridge has to be replaced, be sure to check whether the dryer cartridge can be used from some other repair kit (for example, whether the cartridge from the Audi A4 2008 > condenser repair kit has been installed). If it hasn't, replace the entire condenser. Refer to Electronic Parts Catalog (ETKA).
Removing
- Switch off ignition.
- Discharge refrigerant circuit.
- Remove the condenser. Refer to => [ Condenser ] Condenser.
- Remove the plastic screw - A - (tightening specification: 2 Nm).
- Remove the filter element - C - and the dryer cartridge - F - upward and out of the condenser.
• Seal the open connection on the condenser with the plastic screw - A - to prevent dirt and moisture from getting in.
Installing
Installation is done is reverse order, observe the following:
• Check the fluid reservoir on the condenser above opening - G - for dirt.
• Make sure the reservoir thread - G - on the condenser is not dirty or damaged.
• Replace plastic screw - A -, filter element - C - (with riser pipe - E -) and both O-ring seals - B - and - D -.
• Coat O-ring seals - B - and - D - lightly with refrigerant oil prior to installation. Refer to=> [ Refrigerant Circuit O-rings ] Refrigerant Circuit O-rings.
• Check O-ring seals for proper seating in grooves of respective components.
• Keep dryer cartridge - F - sealed in its air-tight package as long as possible. Open the package just before installing the dryer cartridge into the condenser. The dryer cartridge absorbs moisture in a very short time and become unusable.
- Take the dryer cartridge - F - out of its package and engage it on the filter element's hook - C -.
- Install the dryer cartridge - F - and filter element - C - in the condenser reservoir.
- Install the plastic screw - A - (tightening specification: 2 Nm).
- Install the compressor. Refer to => [ Condenser ] Condenser.
- Install remaining components.
- Discharge and fill the refrigerant circuit.
- Operate the A/C system after filling the refrigerant circuit. Refer to=> [ A/C System, Operating After Filling Refrigerant Circuit ] A/C System, Operating After Filling Refrigerant Circuit.
• Note the information regarding operating the A/C system after filling.