|Subject:||Boom Type Noise During Engine Warm-Up (Install Exhaust Dampener Assembly)|
|Models:||1996-2005 Chevrolet Astro Van|
|1996-2005 GMC Safari Van|
This bulletin is being revised to add the 2005 model year. Please discard Corporate Bulletin Number 00-06-05-001A (Section 06 — Engine/Propulsion System).
Some customers may comment on a boom type noise heard in the vehicle passenger compartment during engine warm-up.