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3.7L/4.7L Engines

WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:

Refer to the applicable warnings and cautions for this system before performing the following operation. Refer to PLUMBING, WARNING  and PLUMBING, CAUTION . Failure to follow these instructions may result in serious or fatal injury.

Fig 1: A/C Liquid Line & Suction Line To A/C Expansion Valve
GC0089601Courtesy of CHRYSLER GROUP, LLC
NOTE:

4.7L engine shown in illustration. 3.7L engine similar.

  1. Disconnect and isolate the negative battery cable.
  2. Recover the refrigerant from the refrigerant system. Refer to PLUMBING, STANDARD PROCEDURE .
  3. Remove the air filter housing cover and resonator inlet tube. Refer to BODY, AIR CLEANER, REMOVAL, 3.7L or BODY, AIR CLEANER, REMOVAL, 4.7L .
  4. Remove the nuts (3) that secures the A/C liquid line (1) and the A/C suction line (5) to the A/C expansion valve (2) and to the A/C compressor (4).
  5. Disconnect the A/C suction line and the A/C liquid line from the A/C expansion valve and the A/C compressor.
  6. Separate the A/C liquid line from the A/C suction line and remove and discard the O-ring seals and gaskets.
  7. Install plugs in, or tape over the opened refrigerant line fittings and the expansion valve and compressor ports.
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