This bulletin is being reprinted because the art work which appeared on the back did not belong on this bulletin.
The 1989 HR-6 air conditioning compressor, P/N 12334817, direct return program to Harrison Radiator instituted in Bulletin 89-I-21 is now discontinued. The 1989 HR-6 compressor may now be serviced in accordance with the procedures contained in Section 1D2 in the appropriate Service Information Manual.
All return programs for 1990 R-4 and HR-6 A/C compressors will be implemented through the Black Label Program. Refer to DSIB 89-I-23.
General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.