Sierra 1500 2WD V8-5.3L VIN B HO (2006)
Front Cross-Member: By Symptom
Technical Service Bulletin # 03-08-61-002I
Date: 070827
Body/Frame - Front End Snapping or Popping Noises
Bulletin No.: 03-08-61-002I
Date: August 27, 2007
TECHNICAL
Subject:
Snap/Popping Type Noise Coming from Front of Vehicle (Remove Bolt-In Front Crossmember and Add Washers)
Models:
2003-2006 Cadillac Escalade
2003-2006 Chevrolet Avalanche, Suburban, Tahoe
2004-2007 Chevrolet Silverado (Classic)
2003-2006 GMC Yukon, Yukon XL
2004-2007 GMC Sierra (Classic)
2003-2008 HUMMER H2
1500 Series (1/2 Ton) and 2500 Series (3/4 Ton) with Two-Wheel Drive
Attention:
This bulletin only applies to 1500/2500 Series 2WD and HUMMER H2 vehicles with recirculating ball type steering.
Supercede:
This bulletin is being revised to update the parts information to include a new washer for HUMMER H2. Please discard Corporate Bulletin Number
03-08-61-002H (Section 08 - Body and Accessories).
Condition
Some customers may comment on a snap or popping-type noise coming from the front of the vehicle. This condition is most apparent during hard left or
right turns at low speeds. Going over bumps while turning may also aid in producing this noise.
Correction
Remove the bolt-in front crossmember and add washers using the procedure listed below.
DO NOT slot the mounting holes on the crossmember as stated in previous bulletins. Slotting the holes has been found to be less effective and, in some
cases, causes the noise condition to be more prevalent.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in SI.
Remove the mounting nuts, bolts and the front crossmember from the vehicle.
Clean all the undercoating off the crossmember in the area of the mounting holes.