GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Avalanche - 2WD 🢒 Bulletins 🢒 Exhaust/Muffler Heat Shield Rattle, Popping Noise Under Vehicle (Install Heat Shield Retaining Straps on Muffler)

Exhaust/Muffler Heat Shield Rattle, Popping Noise Under Vehicle (Install Heat Shield Retaining Straps on Muffler)

Subject:Exhaust/Muffler Heat Shield Rattle, Popping Noise Under Vehicle (Install Heat Shield Retaining Straps on Muffler)

Models:2002-2003 Cadillac Escalade, Escalade EXT
2000-2003 Chevrolet Silverado, Suburban
2001-2003 Chevrolet Avalanche
2000-2003 GMC Denali, Denali XL, Sierra, Yukon XL
2003 HUMMER H2
with 5.3L or 6.0L Gas Engine (VINs T, N, U - RPOs LM7, LQ9, LQ4)
Except 1500 Series Models


This bulletin is being canceled due to a more effective correction in another bulletin. Please discard Corporate Bulletin Number 02-06-05-005B (Section 06 - Engine).

This bulletin is being canceled due to a more effective fix listed in a recent bulletin. If you have a vehicle in your dealership with the above listed condition, please refer to Corporate Bulletin Number 03-06-05-008A.