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HOMESERVICE MANUALSGMC1982SUBURBAN K2500, 5.7L ENG VIN M, AUTOMATIC TRANS, TRANS MFR CD 475/M40REPAIR AND DIAGNOSISMAINTENANCEPROCEDURESWHEEL ALIGNMENT (INSPECTION)ALL MODELS
1982 GMC Suburban K2500, 5.7L Eng VIN M, Automatic Trans, Trans Mfr CD 475/M40

All Models (Exc. 4-WD)

1982 GMC Suburban K2500, 5.7L Eng VIN M, Automatic Trans, Trans Mfr CD 475/M40SECTION All Models
  1. Measure frame angle directly behind cab using a bubble protractor or inclinometer. Determine existing caster. Determine difference between frame angle and caster angle.
    • A down-in-rear, frame angle must be added to a positive caster angle.
    • An up-in-rear frame angle must be subtracted from a positive caster specification.
    • A down-in-rear frame angle must be subtracted from a negative caster specification.
    • An up-in-rear frame angle must be added to a negative caster specification.
  2. Measure distance from top of jounce bumper bracket on lower control arm to bottom of frame crossmember. To increase caster, add shims between forward upper control arm attaching bolt and frame, or subtract shims from rear attaching bolt. To decrease caster, subtract shims from forward bolt, or add shims to rear bolt.
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.