For 1990-2009 cars

# INFO - ESSENTIAL TOOL J43435 ADJUSTER LOCKNUT

#### SUBJECT: INFORMATION - ESSENTIAL TOOL J 43435 ADJUSTER LOCKNUT WRENCH

#### MODELS: 1990-99 PASSENGER CARS AND TRUCKS WITH INTEGRAL POWER STEERING

A NEW ESSENTIAL TOOL, J 43435 ADJUSTER LOCKNUT WRENCH, HAS BEEN SENT TO ALL GM DEALERS. THIS TOOL SHOULD BE USED ON ALL INTEGRAL POWER STEERING GEARS, BOTH PAST AND CURRENT MODELS.

THE FOLLOWING PROCEDURE SHOULD BE USED IN PLACE OF EXISTING SERVICE MANUAL PROCEDURES FOR COUPLING SHIELD AND LOCKNUT REMOVAL AND REPLACEMENT. THE CORRECT ADJUSTMENT PROCEDURE AND USE OF THE ESSENTIAL TOOLS ARE CRITICAL TO RESTORE THE VEHICLE "ON CENTER" FEEL (SEE FIGURE 1).

#### IMPORTANT:

COUPLING SHIELD RETAINER AND LOCKNUT ASSEMBLY REPLACEMENT PROCEDURES REQUIRE THE FOLLOWING SPECIAL TOOLS:

J 42882 ADJUSTER NUT WRENCH J 43435 ADJUSTER LOCKNUT WRENCH

(SEE FIGURE 2)

PROCEDURE -

1. PLACE J 42882 OVER THE END OF THE STUB SHAFT. PLACE J 43435 OVER THE END. J 43435 IS REVERSIBLE AND CAN BE USED WITH BOTH OLD AND NEW STYLE COUPLING SHIELD RETAINERS AND LOCKNUTS.

2. TIGHTEN THE COUPLING SHIELD RETAINER AND LOCKNUT ASSEMBLY AFTER AN ADJUSTMENT OR REPAIR HAS BEEN MADE TO THE POWER STEERING GEAR TO THE SPECIFIED TORQUE (SEE FIGURE 3).

FIGURES: 03 ATTACHMENTS: 00

FIGURE 1 - INCORRECT TOOL USAGE FOR REMOVING THE COUPLING SHIELD RETAINER AND LOCKNUT ASSEMBLY

FIGURE 2 - BOTH STYLES OF LOCKNUTS REQUIRE THE TOOLS J 42882 AND J 43435

FIGURE 3 - TIGHTEN THE COUPLING SHIELD RETAINER AND LOCKNUT ASSEMBLY

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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