THM 350 WHINE IN REVERSE CAUSE & CONDITION

SUBJECT CONDITION MAY BE CAUSED BY THE VALVE BODY SPACER PLATE HOLE IDENTIFIED IN THE FOLLOWING ILLUSTRATION. TO CORRECT THE NOISE, ENLARGE HOLE USING NO. 41 DRILL (.096 INCH) AND REMOVE ANY BURRS FORMED ON EITHER SIDE OF HOLE. FINISHED HOLE MUST NOT EXCEED .100 INCH. ** 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.