FUEL LINES VISIBLE ON VEHICLE (SERVICE PROCEDURE)

REVISION 02/26/93

THIS BULLETIN IS BEING REVISED TO CORRECT THE VIN NUMBERS FOR CADILLAC IN POPULATION #3 AND REMOVE THE 1992 MODEL YEAR FROM THE "C" CARS. ---------------------------------------------------------------------

CONDITION:

SOME OWNERS OF 1991 C AND 1991-92 H MODELS MAY EXPERIENCE A CONDITION WHERE THE FUEL LINES SAG BELOW THE UNDERBODY FLOOR PAN CREATING AN UNSIGHTLY CONDITION.

CAUSE:

UNDER CERTAIN CONDITIONS, THE FORCES OF SNOW AND WATER SPLASH EXERTED ON THE LINES MAY CAUSE THEM TO SAG.

CORRECTION:

THREE VEHICLE POPULATIONS EXIST. THE SERVICE PROCEDURE FOR EACH IS LISTED BELOW:

POPULATION 1: 1991 PARK AVENUE/ULTRA - START OF PRODUCTION THROUGH M1611200 OLDS 98 - NONE CADILLAC - NONE

A COVER/RETAINER MAY BE ADDED BY ORDERING THE FOLLOWING:

25559590 COVER/RETAINER 9437938 RIVET 11504330 BOLT 11501085 NUT 12345743 SEALANT

SERVICE PROCEDURE:

1. REMOVE THE RETAINER CLIPS AS CURRENTLY INSTALLED. 2. POSITION THE COVER/RETAINER ON THE FLOOR PAN AS SHOWN IN FIGURE 1. WITH A SCRIBE OR MARKER, LOCATE POSITION "B" ON THE FLOOR PAN. 3. REMOVE THE REQUIRED INTERIOR TRIM TO ALLOW A 5/16" (8MM) HOLE TO BE DRILLED THROUGH THE FLOOR AT POSITION "B". 4. INSTALL P/N 11504330, BOLT FROM INSIDE THE VEHICLE. COAT THE UNDERSIDE OF THE BOLT HEAD WITH SEALANT, P/N 12345743, OR EQUIVALENT, TO PREVENT WATER FROM GETTING INTO THE PASSENGER COMPARTMENT. 5. COAT THE BOLT WHERE IT PASSES TO THE UNDERSIDE OF THE FLOOR PAN WITH SEALANT. INSTALL HEX NUT, P/N 11501085, AND TORQUE TO 10-20 N.M (10 LB. FT.). 6. SNAP THE COVER/RETAINER OVER THE STUDS AT POSITIONS B AND C. 7. INSTALL THE RIVET, P/N 9437938, AT POSITION "A" AS SHOWN IN THE ILLUSTRATION.

POPULATION 2: PARK AVENUE/ULTRA - M1611201 THROUGH M1667943 11-90 - 2-13-91 OLDS 98 - M4300026 THROUGH M4320753 CADILLAC - M4200023 THROUGH M4286086

A COVER/RETAINER MAY BE ADDED BY ORDERING COVER/RETAINER, P/N 25559590, AND RIVET, P/N 9437938 WHICH CAN BE ATTACHED TO PRESENT STUDS AT POSITION "B" AND "C" AS SHOWN.

SERVICE PROCEDURE:

1. REMOVE THE RETAINER CLIPS AS CURRENTLY INSTALLED. SEE FIGURE 2. 2. SNAP THE COVER/RETAINER OVER THE STUDS AT POSITION B AND C. 3. INSTALL THE COVER/RETAINER AS SHOWN IN FIGURE 1. INSTALL RIVET, PART NUMBER 9437938, AT POSITION "A" AS SHOWN IN THE ILLUSTRATION.

POPULATION 3: 1991 PARK AVENUE/ULTRA - M1667944 THROUGH M1708668 1992 LESABRE - NH400021 THROUGH NH402434 1991 OLDS 98 - M4320754 THROUGH M4351349(( 1992 OLDS 88 - NH300014 THROUGH NH315320 BC NONE-WENTZVILLE 1991 CADILLAC - M4286087 THROUGH M4342355 1992 PONTIAC - N1200000 THROUGH N1207408

THESE VEHICLES WERE BUILT WITH A COVER/RETAINER AND A PLASTIC PUSH PIN AT POSITION "A".

SERVICE PROCEDURE:

1. REMOVE THE PLASTIC PUSH PIN AT POSITION "A". SEE FIGURE 2. 2. INSTALL RIVET, PART NUMBER 9437938, AS SHOWN.

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION:

LABOR OPERATIONS:

NUMBER TIME

LEVEL 1 T5299 .7 HR. LEVEL 2 T5300 .3 HR. LEVEL 3 T5301 .2 HR.

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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