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Tahoe / Yukon Service Manual

Air Conditioning O-Ring Seal Replacement

Removal Procedure

  1. Disassemble the air conditioning refrigerant components.
  2. Cap or tape the open air conditioning refrigerant components immediately to prevent system contamination.
Air Conditioning O-Ring Seal Replacement — figure 1
Air Conditioning O-Ring Seal Replacement — figure 1
  1. Remove the O-ring seal (1) from the air conditioning refrigerant component.
  2. Inspect the O-ring seal for signs of damage to help determine the root cause of the failure.
  3. Inspect the air conditioning refrigerant components for damage or burrs. Repair if necessary.
  4. DISCARD the O-ring seal. Installation Procedure
  5. Inspect the new O-ring seal for any sign of cracks, cuts, or damage.
  6. Remove the cap or tape from the air conditioning refrigerant components.
  7. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the air conditioning refrigerant components.
  1. Lightly coat the new O-ring seal with the recommended refrigerant oil. Adhesives, Fluids, Lubricants, and Sealers
  1. Carefully slide the NEW O-ring seal (1) onto the air conditioning refrigerant component.
Air Conditioning O-Ring Seal Replacement — figure 2
Air Conditioning O-Ring Seal Replacement — figure 2
  1. The O-ring seal (1) must be fully seated.
  2. Assemble the air conditioning components.