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Home >> Hummer >> 2007 >> H3 Standard >> Repair and Diagnosis >> Body & Frame >> Frames, Subframes & Crossmembers >> Frame And Underbody >> Specifications >> Fastener Tightening Specifications

Fastener Tightening Specifications

Fastener Tightening Specifications

Application Specification
Metric English
Assist Step Bolt 50 N.m 37 lb ft
Crossmember Bolt
  • First Pass
70 N.m 52 lb ft
  • Second Pass
Plus 200 Degrees
Engine Shield Bolt 20 N.m 15 lb ft
Frame Cushion/Insulator Bolt 115 N.m 85 lb ft
Front Differential Assembly Bolt 100 N.m 74 lb ft
Oil Pan Skid Plate Bolt 20 N.m 15 lb ft
Tow Hook Bracket to Front Frame Rail Bolt 85 N.m 63 lb ft
Tow Hook Bracket to Rear Frame Rail Bolt 100 N.m 74 lb ft
Tow Hook D-Ring Nut
  • First Pass
50 N.m 37 lb ft
  • Second Pass
Minus Approximately 180 Degrees
Trailer Hitch to Frame (Horizontal) Bolt 160 N.m 118 lb ft
Trailer Hitch to Frame (Vertical) Bolt 100 N.m 74 lb ft
Transmission Crossmember to Frame (Vertical) Bolt 100 N.m 74 lb ft
Transmission Crossmember to Frame Bracket (Horizontal) Nut 50 N.m 37 lb ft
Transmission Mount to Support Nut 57 N.m 42 lb ft
Wheelhouse Panel Bolts 10 N.m 89 lb in