For 1990-2009 cars

Note: To avoid repeat compressor failure, always inspect the condition of the refrigerant oil and take the appropriate corrective action before installing the replacement compressor.

Condition | Corrective Action
--- | ---
Clean Oil no debris present | No corrective action necessary.
Clean Oil with debris present |

• | Inspect the suction port of the replacement compressor for presence of a suction screen. If the Replacement Compressor does NOT contain a suction screen, Install Suction Screen in the line.

• | Replace desiccant or component containing the desiccant.

• | Replace desiccant filter if applicable.

• | Remove and inspect high pressure side filter (if applicable).

• | Remove, inspect, clean, or replace orifice tube.

• | If the system has a front orifice tube and is equipped with a filter in the rear auxiliary line, remove, inspect, clean, or replace the filter.

• | If the system has a front orifice tube and is not equipped with a filter in the rear auxiliary line, remove the filter in the auxiliary TXV and Install a universal inline A/C Filter P/N 89016656 (AC Delco P/N 15-10413) as close to the rear TXV as possible.

Dark brown/black and/or pungent/unusual odor with no debris present |

• | Replace desiccant or component containing the desiccant.

• | Replace desiccant filter if applicable.

• | Flush refrigerant system.

Dark brown/black and/or pungent/unusual odor with debris present |

• | Replace desiccant or component containing the desiccant.

• | Replace desiccant filter if applicable.

• | Flush refrigerant system.

• | Inspect the suction port of the replacement compressor for presence of a suction screen. If the replacement compressor does NOT contain a suction screen, install suction screen.

• | Remove and inspect high pressure side filter (if applicable).

• | Remove, inspect, clean, or replace orifice tube.

• | If the system has a front orifice tube and is equipped with a filter in the rear auxiliary line, remove, inspect, clean, or replace the filter.

• | If the system has a front orifice tube and is not equipped with a filter in the rear auxiliary line, remove the filter in the auxiliary TXV and install a universal inline A/C Filter P/N 89016656 (AC Delco P/N 15-10413) as close to the rear TXV as possible.

Oil Overcharge | Flush refrigerant system.
Refrigerant Contamination | Flush refrigerant system.
Hybrid Polyolester Refrigerant Oil (POE) Contamination |

• | Flush refrigerant system.

• | Replace desiccant or component containing the desiccant.

• | Replace desiccant filter if applicable.