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

Frame and Underbody: Specifications GMC Sierra III

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Assist Step Body Mounting Bolts9066 lb ft
Assist Step Center Bracket Bolt4533 lb ft
Body Cable Body Side Bolt10073 lb ft
Body Cable Frame Side Bolt8563 lb ft
Body Mounting Mid/Rear Bolt165122 lb ft
Body Mounting Front Nut7052 lb ft
Body Mount Bracket Nut4533 lb ft
Crossmember- Front Engine Bolts - Light Duty
First Pass7052 lb ft
Final PassAdditional 110 degrees
Front Wheelhouse Front Liner Bolts- GMC1089 lb in
Front Wheelhouse Outer Liner Bolts- Chevrolet1089 lb in
Front Wheelhouse Outer Liner Bolts- GMC756 lb in
Fuel Tank Shield12106 lb in
Master Cylinder Mounting Nuts3627 lb ft
Park Brake Equalizer Intermediate Cable Nut435 lb in
Steering Gear Skid Shield to Brackets Bolts2821 lb ft
Steering Gear Skid Shield to Frame Bolts2015 lb ft
Tow Hook to Frame Rail Bolts8563 lb ft
Tow Hook to Frame Rail Nuts10577 lb ft
Trailer Hitch to Bumper Bolts2216 lb ft
Trailer Hitch to Frame Bolts140103 lb ft
Trailer Hitch to Frame Nuts11383 lb ft
Transmission Mount to Support Nuts - Light Duty5541 lb ft
Transmission Support Crossmember to Frame Bolts9570 lb ft

Fastener Tightening Specifications