Chevrolet Trax Owners & Service Manuals

Chevrolet Trax: Air conditioning system seal replacement

Chevrolet Trax (2013-2022) Workshop Manual / HVAC & Restraints / Heating, Ventilation, and Air Conditioning / Repair instructions / Air conditioning system seal replacement

Removal Procedure

  1. Disassemble the A/C refrigerant components. Refer to the appropriate repair procedure.

NOTE: Cap or tape the open A/C refrigerant components immediately to prevent system contamination.

  1. Cap or tape the A/C refrigerant components

Fig. 11: Sealing Washer
Fig. 11: Sealing Washer

  1. Remove the sealing washer (1) from the A/C refrigerant component.
  2. Inspect the seal washer for signs of damage to help determine the root cause of the failure.
  3. Inspect the A/C refrigerant components for damage or burrs. Repair if necessary.

NOTE: DO NOT reuse sealing washer.

  1. DISCARD the sealing washer.

Installation Procedure

NOTE: Flat washer type seals do not require lubrication.

  1. Inspect the new sealing washer for any signs of cracks, cuts, or damage.

Do not use a damaged sealing washer.

  1. Remove the cap or tape from the A/C refrigerant components.

Fig. 12: Identifying Proper Seating Of A/C Refrigerant O-Ring
Fig. 12: Identifying Proper Seating Of A/C Refrigerant O-Ring

  1. Using a lint-free clean, dry cloth, clean the sealing surfaces of the A/C refrigerant components.
  2. Carefully install the NEW sealing washer (1) onto the A/C refrigerant component.

The sealing washer (1) must completely bottom against the surface of the fitting.

NOTE: After tightening the A/C components, there should be a slight sealing gap of approximately 1.2 mm (3/64 in) between the A/C line and the A/C component.

  1. Assemble the remaining A/C refrigerant components. Refer to the appropriate repair procedure.

AIR CONDITIONING O-RING SEAL REPLACEMENT

Removal Procedure

  1. Disassemble the A/C refrigerant components. Refer to the appropriate repair procedure.
  2. Remove the O-ring seal from the A/C refrigerant component.
  3. Inspect the O-ring seal for signs of damage to help determine the root cause of the failure.
  4. Inspect the A/C components for damage or burrs. Repair if necessary.

NOTE: Cap or tape the open A/C refrigerant components immediately to prevent system contamination.

  1. Cap or tape the A/C refrigerant components.
  2. Discard the O-ring seal.

Installation Procedure

  1. Inspect the new O-ring seal for any sign of cracks, cuts, or damage. Replace if necessary.
  2. Remove the cap or tape from the A/C refrigerant components.
  3. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the A/C refrigerant components

NOTE: DO NOT allow any of the mineral base 525 viscosity refrigerant oil on the new O-ring seal to enter the refrigerant system.

  1. Lightly coat the new O-ring seal with mineral base 525 viscosity refrigerant oil.

NOTE: DO NOT reuse O-ring seals.

  1. Carefully slide the new O-ring seal onto the A/C refrigerant component.

Fig. 13: O-ring
Fig. 13: O-ring

  1. The O-ring seal (1) must be fully seated.
  2. Assemble the A/C components.

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