TreadCompass

GMC C1500 Suburban Lug Nut Torque

The 1992–1999 GMC C1500 Suburban lug nut torque is 120 ft-lbs (163 N·m).

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GMC C1500 Suburban · 1992–1999

Lug nut torque
120ft-lbs163 N·m
Same spec for every year 1992–1999.
  • ✓ Tighten in a star pattern, in two passes, with a torque wrench (not an impact gun)
  • ✓ Re-check the torque after the first 50–100 miles
  • ✓ Confirm against your owner’s manual; aftermarket wheels can differ

Source: TreadCompass vehicle fitment database. Page updated November 2026. Specs can vary with aftermarket wheels and lug hardware, so always confirm with your owner’s manual.

Factory tire sizes for the GMC C1500 Suburban

Compare prices across retailers for your size.

235/75R151992–1999 · Compare prices →

Other GMC models

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GMC C1500 Suburban lug nut torque FAQ

What is the lug nut torque for a GMC C1500 Suburban?

The 1992–1999 GMC C1500 Suburban lug nut torque is 120 ft-lbs (163 N·m). Tighten in a star pattern with a torque wrench, then re-check after the first 50–100 miles.

Do all C1500 Suburban trims use the same lug nut torque?

Yes. Every C1500 Suburban trim in our database uses the same lug nut torque for a given model year.

Has the GMC C1500 Suburban lug nut torque changed over the years?

No. It has been 120 ft-lbs (163 N·m) for every model year we have, 1992–1999.

What size tires come on the GMC C1500 Suburban?

Factory tire sizes include 235/75R15 (1992–1999). Check the sidewall of your current tires to confirm yours, then compare prices for that size above.

New to torquing wheels? See how to torque lug nuts and common questions.