R-4 TEFLON A/C COMPRESSOR SEAL SHAFT SEAL LEAK INFORMATION

SOME 1983 "C" SERIES WERE BUILT UTILIZING A NEW TEFLON R SINGLE LIP COMPRESSOR SHAFT NUMBERS 269446 IDENTITY, THE R-4 COMPRESSORS EMPLOYING THE TEFLON R SEAL HAVE BEEN GIVEN A SPECIAL PART NUMBER 1131479. THE NEW TEFLON R SEAL IS A ONE-PIECE SEAL (FIGURE 1) AS COMPARED TO THE CURRENT TWO-PIECE CERAMIC/CARBON SEAL (FIGURE 2). IF THE TEFLON R SEAL LEAKS, IT SHOULD BE REPLACED WITH A TWO-PIECE CERAMIC/CARBON SEAL (SEAL KIT P/N 9956695). THE TEFLON R SEAL MAY BE REMOVED WITH A/C SPECIAL TOOL J-23128-A (DESIGNED TO REMOVE THE CERAMIC SEAL SEAT). THE CERAMIC/CARBON SEAL SHOULD BE INSTALLED FOLLOWING PROCEDURES OUTLINED IN THE 1983 CADILLAC SERVICE INFORMATION MANUAL, PAGE 1B-9. SEE ILLUSTRATION

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.