For 1990-2009 cars

# FUEL TANK THUD/CLUNK (REPLACE TANK)

#### SUBJECT: FUEL TANK THUD/CLUNK (REPLACE TANK AND FUEL TANK SENDER ASSEMBLY)

#### MODELS: 1990-95 CHEVROLET MINIVAN 1990-95 OLDSMOBILE SILHOUETTE 1990-95 PONTIAC TRANS SPORT

#### CONDITION:

SOME VEHICLES MAY EXHIBIT A THUD/CLUNK TYPE NOISE APPARENT DURING ACCELERATION OR BRAKING MANEUVERS WHEN THE FUEL TANK IS FILLED BETWEEN 3/4 AND FULL.

#### CAUSE:

FUEL MASS, AS IT SHIFTS WITHIN THE FUEL TANK, IS COLLIDING WITH THE LARGE RADII AT THE ENDS OF THE FUEL TANK.

#### CORRECTION:

REPLACE EXISTING FUEL TANK AND FUEL SENDER ASSEMBLIES WITH NEW COMPONENTS INDICATED BELOW FOLLOWING APPLICABLE SERVICE MANUAL PROCEDURES, SECTION 6C.

DESCRIPTION P/N ----------- ---

FUEL TANK ASSEMBLY 10242113 SENDER ASSEMBLY (3.1L) 25162587 SENDER ASSEMBLY (3.8L) 25162589

#### PART AVAILABILITY:

PARTS ARE EXPECTED TO BE AVAILABLE ON 12/12/94 AT GMSPO.

#### WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE: LABOR OPERATION: L1260 USE PUBLISHED LABOR OPERATION TIME.

FIGURES: 0

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.

COPYRIGHT 1994 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.