For 1990-2009 cars

# INTERMITTENT ELECT. CONDITIONS (TIGHTEN LOOSE GROUND G105)

REVISION: 01/24/97

THIS BULLETIN IS BEING REVISED TO ADD THE 1993-95 MODEL YEARS. PREVIOUS DIVISIONAL PUBLICATION NUMBERS WERE:

CHEVROLET 92-178-8A GM OF CANADA 92-8-149 OLDSMOBILE 92-T-80 PONTIAC 92-8-20 ----------------------------------------------------------------------

#### SUBJECT: INTERMITTENT ELECTRICAL CONDITIONS (TIGHTEN LOOSE GROUND NUT G105)

#### MODELS: 1992-95 CHEVROLET LUMINA APV 1992-95 OLDSMOBILE SILHOUETTE 1992-95 PONTIAC TRANS SPORT BUILT WITH 3800 ENGINE (VIN L - RPO L27)

#### CONDITION:

ONE OR MORE INTERMITTENT ELECTRICAL CONDITIONS MAY EXIST ON THE ABOVE LISTED VEHICLES. SOME OF THESE CONDITIONS MAY BE: DRIVEABILITY, ERRATIC SPEEDOMETER, CRUISE CONTROL, OR INSTRUMENT CLUSTER OPERATION.

#### CAUSE:

THE NUT SECURING THE GROUND WIRES AT THE G105 STUD MAY BE LOOSE. THE CIRCUIT IS SHOWN ON PAGE 8A-14-3 (1992-93), PAGE 8A-14-1 (1994) AND PAGE 8A-14-2 (1995) OF THE SERVICE MANUAL. THE STUD IS LOCATED UNDER THE FRONT COIL OF THE DIS COIL PACK, ON THE RIGHT SIDE OF THE ENGINE, JUST BEHIND THE SERPENTINE DRIVE BELT (SEE FIGURE 1).

#### CORRECTION:

TIGHTEN THE NUT TO 17 N.M (12 FT LB) TORQUE. RECHECK FOR PROPER OPERATION OF THE AFFECTED CIRCUITS.

#### WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OPERATION NUMBER: T1855 LABOR OPERATION TIME: 0.2 HR

FIGURES: 01 ATTACHMENTS: 00

FIGURE 1: 1. NUT - TORQUE TO 17 N.M (12 LB FT) 2. ENGINE STUD

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.

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