GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications for GMC Truck TopKick C-Series (Conventional) C4/C5 2005

Application

Specification

Eight Hole, Aluminum or Steel Wheel Nut Torque

550 N·m

405 lb ft

Ten Hole, Aluminum or Steel Wheel Nut Torque

644 N·m

475 lb ft

Valve Stem Nut

5 N·m

44 lb in