Internal Heat EXCHANGER
- Disconnect and isolate the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), disconnect the IBS connector first before disconnecting the negative battery cable.
- Recover the refrigerant from the refrigerant system. Refer to PLUMBING, STANDARD PROCEDURE .
- Remove the air cleaner housing. Refer to BODY, AIR CLEANER, REMOVAL .
- Remove the nuts (2 and 3) that secure the suction and liquid lines to the Internal Heat Exchanger (IHX) (1).
- Disconnect the suction and liquid lines from the IHX and remove and discard the dual plane seal.
- Install plugs in, or tape over the opened line fittings.
- Disconnect the wire harness (3) from the A/C pressure transducer (2).
- Remove the nut (2) that secures the refrigerant line mounting bracket (1) to the left front shock tower.
- Remove the nut (3) that secures the IHX (1) to the A/C expansion valve (2).
- Disconnect the IHX from the A/C expansion valve.
- Remove the dual plane seal from the suction and liquid line fittings and discard.
- Install plugs in, or tape over the opened line fittings and the expansion valve ports.
- Remove the IHX from the engine compartment.
- If required, remove the A/C pressure transducer from the IHX. Refer to TRANSDUCER, A/C PRESSURE, REMOVAL .



