Worm Bearing Preload

1995 Chevrolet Sportvan G20, 6.5 PSECTION Worm Bearing Preload
  1. Remove steering gear from vehicle and mount in vise before performing preload adjustments. See STEERING GEARΒ  under REMOVAL & INSTALLATION. Remove worm bearing adjuster lock nut. See Figure . Using spanner wrench, turn adjuster plug clockwise until plug is seated in housing. Torque should be about 20 ft. lbs. (27 N.m).
  2. Index mark housing even with one hole in adjuster plug. See Fig 1 . Measure back 1/2" counterclockwise from first index mark. Mark housing with second index mark. Rotate adjuster plug back counterclockwise until hole in adjuster plug aligns with second index mark on housing. Install and tighten adjuster plug lock nut. Ensure adjuster plug remains in position.
Fig 1: Measuring Worm Bearing Preload
G95E27841Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.