Isuzu Trooper Lug Nut Torque

The 1986–2002 Isuzu Trooper lug nut torque is 85 ft-lbs (115 N·m).

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MakeModelYear

Isuzu Trooper · 1986–2002

Lug nut torque

85ft-lbs115 N·m

Same spec for every year 1986–2002.

✓ 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

Shop tires for your Trooper →Other Isuzu models

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 Isuzu Trooper

Compare prices across retailers for your size.

245/70R161992–2002 · Compare prices →235/75R151986–1991 · Compare prices →

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Isuzu Trooper lug nut torque FAQ

What is the lug nut torque for a Isuzu Trooper?

The 1986–2002 Isuzu Trooper lug nut torque is 85 ft-lbs (115 N·m). Tighten in a star pattern with a torque wrench, then re-check after the first 50–100 miles.

Do all Trooper trims use the same lug nut torque?

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

Has the Isuzu Trooper lug nut torque changed over the years?

No. It has been 85 ft-lbs (115 N·m) for every model year we have, 1986–2002.

What size tires come on the Isuzu Trooper?

Factory tire sizes include 245/70R16 (1992–2002) and 235/75R15 (1986–1991). 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.