2003 Hummer H2FACTORY OEM SERVICE PROCEDURE

Fastener Tightening Specifications

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications

Application Specification
Metric English
Amplifier Retaining Screws 3.4 N.m 30 lb in
Antenna Cable Mounting Screw 5 N.m 44 lb in
Antenna Mast 6 N.m 53 lb in
Antenna Mounting Nut 5 N.m 44 lb in
Console Side Panel Screws 2 N.m 18 lb in
Digital Radio Antenna Retaining Bolt 6 N.m 53 lb in
Digital Radio Antenna Retaining Nut 3.5 N.m 30 lb in
DVD Player Retaining Bolts 9 N.m 80 lb in
Mounting Bracket Bolts 6 N.m 18 lb in
Radio Antenna Module Retaining Bolt 9 N.m 80 lb in
Radio Control Module Retaining Bolt 9 N.m 80 lb in
Radio Retaining Screws 1.6 N.m 14 lb in
Speaker to Mounting Screws - Rear Door 6 N.m 53 lb in
Subwoofer Assembly Retaining Screws 6 N.m 53 lb in
Trim Bezel Screws 2 N.m 18 lb in
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When to See a Mechanic

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

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