Refrigerant Filter: Service and Repair
The filter/drier is a receiver for reserve refrigerant. It also has a desiccant bag and a filter. This is used to absorb moisture and filter the refrigerant as it passes through the filter/drier.Filter/Drier Location:
The filter/drier is located left of the coolant bottle. The A/C refrigerant must be removed from the system before removing the filter/drier. Always use a refrigerant recovery machine.
Replace the filter/drier if an A/C system is left open for an extended period of time.
REMOVAL
1. Remove refrigerant from A/C system using a refrigerant recovery machine.
Liquid Line From Condenser:
2. Remove liquid line at filter/drier from condenser.
Liquid Line From Expansion Valve:
3. Remove liquid line at filter/drier from expansion valve.
Receiver/Drier Bracket:
4. Remove filter/drier bracket bolt at base of filter/drier.
5. Cap liquid line and condenser threaded fitting while system is open to prevent moisture from entering system.
INSTALLATION
CAUTION: When installing new filter/drier do not leave open to atmosphere for a long period of time. The filter/drier contains moisture absorbing materials which will absorb moisture in the atmosphere.
For installation, reverse the above procedures.
NOTE: When replacing the Filter/Drier add 30 ml (1.00 fl oz) of compressor oil to the system.