A/C System Contamination Inspection: Inspection

NOTE: 

• If the A/C compressor failure is diagnosed, always use this inspection to check the extent of contamination in the A/C system.
• The parts illustration are sample. External appearance may vary from model to model.

• 1. A/C System Contamination - Inspect

  Remove a part from the related parts as described in the table. Then, swab inside the part with a cotton swab to see if there is metal, dark grey or black residue.

  Courtesy of HONDA, U.S.A., INC.

  Step	Part to Remove	Inspection Area	Metal, Dark Grey or Black Residue
  			Found	None Found
  1	Discharge hose (A/C compressor side)	Discharge port (A)	Go to step 2	No contamination is present from the A/C compressor. Replace only the A/C compressor
  2	Suction hose (A/C compressor side)	Suction port (B)	Replace the components in Repair Procedure D	Go to step 3
  3	Receiver line (A/C condenser outlet)	A/C condenser outlet port (C)	Go to step 4	Go to step 5
  4	Receiver line and suction pipe (Both are expansion valve side)	Expansion valve port (D)	Replace the components in Repair Procedure D	Replace the components in Repair Procedure C
  5	Discharge hose (A/C condenser inlet)	A/C condenser inlet port (E)	Replace the components in Repair Procedure B.	Replace the components in Repair Procedure A