FRONT BRAKE CALIPER CONTACTS STEERING TIE ROD END. GMC Truck GMC P RV/Van/Commercial Chassis 1993

SUBJECT:FRONT BRAKE CALIPER CONTACTS STEERING TIE ROD END (INSTALL SHIM BETWEEN STEERING KNUCKLE AND STEERING ARM)

MODELS: 1992-95 CHEVROLET AND GMC TRUCK P3( 42) MODELS WITH I-BEAM FRONT AXLE (RPO FS3) AND SIXTEEN INCH WHEELS (RPOS XHF, XWG, YYL, XYK OR XYN)

CONDITION:

FRONT BRAKE CALIPER CONTACTS STEERING TIE ROD END.

CAUSE:

EXCESSIVE BRAKE PAD AND/OR ROTOR WEAR MAY CAUSE INTERFERENCE BETWEEN CALIPER AND STEERING TIE ROD END.

CORRECTION:

INSTALL STEERING ARM SERVICE KIT, P/N 15721971.

SERVICE PROCEDURE

1. REMOVE FRONT WHEEL AND TIRE ASSEMBLY. 2. REMOVE WHEEL HUB AND ROTOR ASSEMBLY. REFER TO "WHEEL HUB AND ROTOR ASSEMBLY REPLACEMENT" IN SECTION 3C OF THE APPROPRIATE P3 CHASSIS SERVICE MANUAL. 3. REMOVE BOTTOM TWO BOLTS (ITEM 1) THAT ATTACH THE STEERING KNUCKLE (ITEM 2) TO THE STEERING CONTROL ARM (ITEM 3). 4. INSERT STEERING ARM SPACER (P/N 15721947 - ITEM 4) FROM SERVICE KIT BETWEEN STEERING KNUCKLE (ITEM 2) AND STEERING ARM (ITEM 3).

IMPORTANT: POSITION STEERING ARM SPACER ON THE BOTTOM TWO HOLES BETWEEN THE STEERING KNUCKLE AND STEERING ARM. REFER TO FIGURE FOR PROPER ORIENTATION OF STEERING ARM SPACER.

5. ATTACH STEERING ARM SPACER BETWEEN THE STEERING KNUCKLE AND STEERING ARM USING TWO BOLTS (P/N 9428600 - ITEM 1), TWO NUTS (P/N 9422307 - ITEM 5) AND TWO WASHERS (P/N 2436168 - ITEM 6) FROM SERVICE KIT. TORQUE BOLTS TO 312 N.M (230 LB FT). 6. REMOVE STEERING STOP BOLT FROM STEERING KNUCKLE. 7. REMOVE STEERING STOP NUT FROM STEERING KNUCKLE. 8. INSTALL NEW JAM NUT (P/N 272123) FROM SERVICE KIT ONTO STEERING KNUCKE STOP BOLT. 9. INSTALL NEW STEERING STOP BOLT (P/N 3712568) FROM SERVICE KIT INTO JAM NUT AND STEERING KNUCKLE. 10. TURN STEERING WHEEL TO A FULL TURN AND ADJUST STOP NUT UNTIL IT CONTACTS THE STEERING STOP ON THE I-BEAM AXLE. 11. REINSTALL WHEEL HUB AND ROTOR ASSEMBLY. REFER TO WHEEL HUB AND ROTOR ASSEMBLY REPLACEMENT IN SECTION 3C OF THE APPROPRIATE P3 CHASSIS SERVICE MANUAL. 12. ATTACH WHEEL AND TIRE ASSEMBLY REFERRING TO "INSTALLING THE TIRE AND WHEEL ASSEMBLY" IN SECTION 3E OF THE APPROPRIATE P3 CHASSIS SERVICE MANUAL. 13. REPEAT ABOVE STEPS ON OPPOSITE SIDE WHEEL. 14. ALIGN FRONT WHEELS REFERRING TO "ALIGNMENT ADJUSTMENTS" IN SECTION 3A OF THE APPROPRIATE P3 CHASSIS SERVICE MANUAL.

IMPORTANT: WHEN ALIGNING THE FRONT WHEELS, IT MAY BE NECESSARY TO TEMPORARILY LOOSEN OR DISCONNECT STEERING SHOCK ABSORBER AT THE I-BEAM AXLE.

PARTS INFORMATION

P/N DESCRIPTION QTY

15721971 STEERING ARM SERVICE KIT 1

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OP DESCRIPTION LABOR TIME E2527 INSTALL STEERING ARM SERVICE KIT 1.6 HRS.

FIGURES: 1

CAPTIONS: FIGURE 1 - STEERING ARM SPACER POSITIONING

Object Number: 95401 Size: MF

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.