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The liquid line is the refrigerant line that carries refrigerant from the A/C condenser to the A/C evaporator. The liquid line is serviced in two sections. The front section of the liquid line (1) connects between the A/C condenser and the receiver/drier (2). The rear section of the liquid line (3) connects between the receiver/ drier and the A/C expansion valve (7) and includes the high side service port (5) and a tapping plate (8) that secures the suction line (9) to the A/C expansion valve. On models equipped with the rear heating-A/C system, the rear section of the liquid line also includes an extension tube that connects the liquid line to the underbody lines.

CAUTION: Use only O-ring seals specified for the vehicle. Failure to use the correct O-ring seal will cause the refrigerant system connections to leak.

The liquid line has no serviceable parts except for the rubber O-ring seals, high-side service port valve, cap and retainer clip (4). The O-ring seals used on the connections are made from a special type of rubber not affected by R-134a refrigerant. The O-ring seals must be replaced whenever the liquid line is removed and installed.

If the liquid line is found to be leaking or is damaged, it must be replaced.