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 MANUALSCHEVROLET1990SUBURBAN V2500, 6.2 J, 475/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)SUSPENSIONWHEEL ALIGNMENTWHEEL ALIGNMENT SPECIFICATIONS & PROCEDURESALIGNMENT PROCEDURESCAMBER & CASTER ADJUSTMENT"C" & "K" SERIES
1990 Chevrolet Suburban V2500, 6.2 J, 475/M40
"C" & "K" Series
1990 Chevrolet Suburban V2500, 6.2 J, 475/M40SECTION "C" & "K" Series
- Original control arm does not allow adjustment of camber and caster. Camber and caster may be adjusted only by using Adjustment Kit (G.M. 15538596). Raise vehicle and support under lower control arms. Remove upper control arm-to-frame bracket bolts, nuts and washer and discard.
- Remove large washers welded to upper control arm frame brackets. Remove weld beads from upper control arm bracket. Grind area smooth. Install adjustment cams to bracket. See Fig 1.
- Install bolt. Adjust camber and caster to correct specifications by rotating bolt head. See ALIGNMENT SPECIFICATIONS . Tighten nuts to specification. See TORQUE SPECIFICATIONS .
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:
- • 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.