Air/Wind Noise for GMC Truck GMC C Cab/Chassis HD (GMT 400) 2001

All Special Tools and Equipment

• Special Tools

Disassembly, Overhaul, Repair, and Assembly

• Exterior Windnoise
• Interior Windnoise

General Diagnostic Information

• Air Pressure Test
• Air/Wind Noise
• External Windnoise Road Test
• Soap Suds or Bubble Test
• Tracing Powder or Chalk Test