Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1990LUMINA APV V6-191 3.1LREPAIR AND DIAGNOSISTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSTOOLS - ADJUSTER LOCKNUT WRENCH
1990 Chevrolet Lumina APV V6-191 3.1L
Tools - Adjuster Locknut Wrench
1990 Chevrolet Lumina APV V6-191 3.1LSECTION Tools - Adjuster Locknut Wrench
File In Section: 3 - Steering/Suspension
Bulletin No.: 83-32-10
Date: November, 1998
INFORMATION
Subject:
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).
Bulletin No.: 83-32-10
Date: November, 1998
INFORMATION
Subject:
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).
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.