Fastener Tightening Specifications

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Fastener Tightening Specifications
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Application Specification
Metric English
Body Mount Bolts 140 N.m 103 lb ft
Brake Combination Valve Bracket Bolt 10 N.m 89 lb in
Differential Carrier Lower Mounting Bracket Bolt, Left Side 85 N.m 63 lb ft
Differential Carrier Lower Mounting Bracket Bolts, Right Side 85 N.m 63 lb ft
Engine Crossmember Bolts, 4WD 65 N.m 48 lb ft
Engine Crossmember Bolts, RWD (CA 14200 LB GVW) 85 N.m plus 90Β° 63 lb ft plus 90Β°
Engine Crossmember Bolts, RWD (HD and CA) 135 N.m 100 lb ft
Engine Crossmember Bolts, RWD (LD) 120 N.m 89 lb ft
Engine Mount Bracket Mounting Nuts 45 N.m 33 lb ft
Engine Mount to Engine Mount Bracket Bolts 60 N.m 44 lb ft
Engine Protection Shield Mounting Bolts 20 N.m 15 lb ft
Front Tie Down Bracket to Frame Mounting Bolts 80 N.m 59 lb ft
Fuel Filter Bracket to Transmission Support Bolts 30 N.m 22 lb ft
Lower Control Arm Nuts
  • With 14050/12300 GVW
120 N.m plus 175Β° 89 lb ft plus 175Β°
  • Without 14050/12300 GVW
155 N.m 114 lb ft
  • With Diesel Engine
120 N.m plus 175Β° 89 lb ft plus 175Β°
Rear Tie Down Bracket to Frame Mounting Nuts 88 N.m 65 lb ft
Trailer Hitch to Frame Mounting Nuts 88 N.m 65 lb ft
Transmission Mount to Transmission Support Retaining Nuts 60 N.m 44 lb ft
Transmission Support to Frame Mounting Bolts, Cutaway 65 N.m 48 lb ft
Transmission Support to Frame Mounting Bolts, except Cutaway 50 N.m 37 lb ft
Wheelhouse Splash Shield Bolt 4 N.m 36 lb in
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.