Frame and Underbody for GMC Truck GMC C Cab/Chassis HD (GMT 400) 2001

All Description and Operation

• Centerline Description
• Datum Description
• Frame and Underbody Description
• Frame Conditions Description
• Frame Control Hole Description
• Frame Reference Point Description
• Frame Reference Point Description - Asymmetrical
• Frame Reference Point Description - Symmetrical
• Frame Straightening Description
• Repairing Cracks Description
• Vertical Body Zero Line
• Welding Description

Cleaning, Inspection, and Adjustment

• Underbody Inspection

Diagnostic Procedures

• Frame Conditions - Buckle
• Frame Conditions - Cracks in Web of Rails
• Frame Conditions - Diamond
• Frame Conditions - Improper Tracking
• Frame Conditions - Sag
• Frame Conditions - Sidesway
• Frame Conditions - Twist

General Diagnostic Information

• Alignment Checking
• Checking Frame Alignment

General Information

• Minimizing Frame Service Description

Mechanical Specifications

• Fastener Tightening Specifications

Other Specifications

• Electrode Table
• Plug Weld Table
• Welding Table
• Yield Strength of Different Metals

Removal, Installation, and Replacement

• Body Mount Replacement
• Damaged Cage Nut Service
• Engine Protection Shield Replacement
• Tow Hook Replacement
• Trailer Hitch Replacement
• Transmission Support Replacement