Express 1/2 Ton Van V6-4.3L VIN W (1999)
8. Align the master spline (5) on the pitman shaft (4) with the adjuster screw (1).
9. Place a torque wrench on the stub shaft (2) with the handle in the vertical position.
10. Rotate the stub shaft (2) 45 degrees from each side of the center of the stub shaft. The stub shaft (2) must rotate smoothly.
11. Record the worm bearing preload measured on or near the center (1). The recorded bearing preload must be 0.7 - 1.7 Nm (6 - 15 inch lbs.) with
the worm and the ball nut installed. If the torque is outside of this range, readjust or repair the steering gear assembly as required.
NOTICE: Refer to Fastener Notice in Service Precautions.
12. To obtain the correct preload torque, adjust the over-center torque by turning the pitman shaft adjuster screw clockwise.
13. Add 0.7 - 1.1 Nm (6 - 10 inch lbs.) torque to the previously measured worm bearing preload torque.
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Tighten the adjuster lock nut to 49 Nm (36 ft. lbs.). Prevent the adjuster screw from turning while tightening the adjuster lock nut.
Pitman Shaft & Housing Cover Replacement - Off Veh (700 Gear)
DISASSEMBLY PROCEDURE
1. Loosen and remove the adjuster lock nut (1).
2. Remove the bolts (2).
3. Rotate the stub shaft (6) using a 12-point socket to center the steering gear (7).
4. Remove the following items as an assembly:
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The side cover (8)
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The gasket (3)
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The pitman shaft (4)
5. Remove the pitman shaft (4) from the side cover (8).
ASSEMBLY PROCEDURE
