Contents Wiring diagrams Section: Frames, Subframes & Crossmembers All sections

Frame and Underbody: Specifications GMC Yukon III

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Assist Step Bracket Bolt25 N.m18 lb ft
Assist Step Bracket Nuts9 N.m80 lb in
Assist Step Controller Bolts10 N.m89 lb in
Body Mounting Bolt95 N.m70 lb ft
Engine Front Crossmember Nut - LD105 N.m77 lb ft
Engine Protection Shield to Frame Rail Bolts20 N.m15 lb ft
Engine Splash Shield Nut12 N.m106 lb in
Front Engine Crossmember Bolt - HD120 N.m88 lb ft
Intermediate Cable Nut4 N.m30 lb in
Master Cylinder Mounting Nuts28 N.m21 lb ft
Oil Pan Skid Plate28 N.m21 lb ft
Spare Wheel Hoist Crossmember to Frame Crossmember Bolts50 N.m37 lb ft
Spare Wheel Hoist Crossmember to Frame Rail Bolts70 N.m52 lb ft
Steering Linkage Shield Bolts20 N.m15 lb ft
Tow Hook to Frame Rail Bolts85 N.m63 lb ft
Trailer Hitch to Bumper Bolts95 N.m70 lb ft
Trailer Hitch to Frame Bolts125 N.m92 lb ft
Trailer Hitch to Frame Bolts - (Four bolts w/ loose nuts)113 N.m83 lb ft
Transfer Case Shield20 N.m15 lb ft
Transmission Crossmember Nut95 N.m70 lb ft
Transmission Mount to Crossmember Nuts50 N.m37 lb ft
Wheelhouse Liner Screws3 N.m27 lb in

Scheme 1

Scheme 1: Step/Running Board Schematics