SERVICE MANUAL UPDATE SEC. 7A AUTOMATIC TRANSAXLE DIAGNOSIS. Buick Park Avenue 1992

********************************************************************* TRANSAXLE APPLICATIONS: SUBJECT: HYDRA-MATIC 4T60-E (M13) 1992 AUTOMATIC TRANSAXLE DIAGNOSIS UPDATE (SERVICE INFORMATION)

TRANSAXLE MODELS: VEHICLE APPLICATIONS: 2BTW,2CXW,2CZW,2CLW,2YMW, C,E,H,W-CAR 2YLW,2CSW,2YZW,2WAW,2BYW, U-VAN 2CTW,2PHW,2YPW ______________________________________________________________________

CORRECTION: (FOR C,E,H,W-CAR AND U-VAN WITH 3800 ENGINES ONLY) THE 1992 "AUTOMATIC TRANSAXLE DIAGNOSIS" SECTION FOR THE 3800 USED IN THE C/E/H/W-CAR AND U-VAN SHOULD INCLUDE BOTH RPO L27 AND RPO L67 IN THE SECTION TITLE:

SECTION/HYDRA-MATIC 4T60-E (W/3800 TPI,MPI L27 AND L67 SCI ENGINES) AUTOMATIC TRANSAXLE DIAGNOSIS

PLEASE REPLACE THE FOLLOWING FIGURES FROM YOUR 1992 AUTOMATIC TRANSAXLE DIAGNOSIS SECTION WITH THE FOLLOWING REVISED FIGURES: (FIGURES 1 THROUGH 7)

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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.