2007 Chevrolet Colorado A/C System Seal Kit

You need to remove the seal washer from the A/C refrigerant component, inspect the seal washer for signs of damage to help determine the root cause of the failure, then inspect the A/C refrigerant components for damage or burr, then discard the sealing washer.

You should inspect the new seal washer for any signs of cracks, cuts, or damage, then remove the cap or tape from the A/C refrigerant components, clean the sealing surfaces of the A/C refrigerant components, and carefully install the new seal washer onto the A/C refrigerant component, finally assemble the remaining A/C refrigerant components.

You need to disassemble the A/C refrigerant components. Refer to the appropriate repair procedure, remove the O-ring seal from the A/C refrigerant component, then inspect the O-ring seal for signs of damage to help determine the root cause of the failure, inspect the A/C refrigerant components for damage or burrs, next cap or tape the A/C refrigerant components, and discard the O-ring seal.

You should inspect the new O-ring seal for any signs of cracks, cuts, or damage, replace it if necessary, remove the cap or tape from the A/C refrigerant components, clean the sealing surfaces of the A/C refrigerant components, coat the new O-ring seal with mineral base 525 viscosity refrigerant oil, and carefully slide the new O-ring seal onto the A/C refrigerant component, fully seat the O-ring seal, finally assemble the A/C components.