Refrigerant Filter: Service and Repair

2013 Chevrolet Express 1500 RWD V6-4.3LSECTION Service and Repair



Air Conditioning (AC) Refrigerant Filter Replacement

Special Tools

J 39400-A - Halogen Leak Detector

Removal Procedure

1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.

2. Remove the front evaporator tube. Refer to Air Conditioning Evaporator Front Tube Replacement Air Conditioning Evaporator Front Tube Replacement.





Note:
The nuts (4) and ferrules (3) will remain on the condenser tube. Do not try to remove.

3. Remove the nuts (4) from the A/C refrigerant filter (1).

4. Remove the A/C refrigerant filter from the condenser tube.

Installation Procedure

1. Install the O-rings. Refer to Air Conditioning O-Ring Seal Replacement Air Conditioning O-Ring Seal Replacement.

2. Install the A/C refrigerant filter to the condenser tube with the flow arrow pointing towards the evaporator.





Caution:
Refer to Fastener Caution Fastener Caution.

3. Install the nuts (4) to the A/C refrigerant filter (1) and tighten to 34 Nm (25 lb ft).

4. Install the front evaporator tube. Refer to Air Conditioning Evaporator Front Tube Replacement Air Conditioning Evaporator Front Tube Replacement.

5. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.

6. Leak test the fittings of the installed component using the J 39400-A - detector.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.