Failing to find the owner's manual, you can try these options:
* Check the sticker on the driver's side doorjamb: Sometimes, tire pressure and torque specs are listed here.
* Search online: Search for your specific vehicle's year, make, model, and engine (e.g., "2005 Chevy Silverado 2500HD 6.0L lug nut torque") You might find it on forums or parts websites. However, always double-check this information against a reputable source like a repair manual.
* Consult a mechanic or tire shop: They will have access to the correct specifications.
Using the wrong torque can lead to loose wheels (dangerous!) or damaged lug nuts and studs. Always prioritize finding the correct information from a reliable source.