SERVICE MANUAL UPDATE-SEC.6A SPARK PLUG TORQUE SPECS

SUBJECT: SERVICE MANUAL UPDATE - SECTION 6A - SPARK PLUG TORQUE SPEC. (CHANGED SPECIFICATION)

MODELS AFFECTED: 1989-91 REGAL WITH 3.lL ENGINE (VIN CODE T)

SERVICE MANUAL UPDATE - SECTION 6A

When installing spark plugs in the 3.1L engine (VIN Code T) use the following revised specification in the Service Manuals listed below:

Cast Iron or Aluminum Heads, 15 N.m (11 lbs. ft.)

1991 Regal Pages 6D4 - 4, 5, 7

1990 Regal Pages 6D4 - 3, 4, 5

1989 Regal Pages 6D4 - 4, 7

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.