Body - Rattle Under Hood

Bulletin No.: 04-08-63-005

Date: June 15, 2004

TECHNICAL

Subject:
Rattle Noise Under Hood (Reposition Hood Prop Rod)

Models:
2004 Buick Rainier
2002-2004 Chevrolet TrailBlazer, TrailBlazer EXT
2002-2004 GMC Envoy, Envoy XL
2004 GMC Envoy XUV
2002-2004 Oldsmobile Bravada

Condition

Some customers may comment on a slight buzz or rattle noise coming from under the hood. This noise could be mistaken for a unusual engine noise.

Cause

The hood prop rod may be making contact with the fan shroud.

Correction

Adjust the hood prop rod.

1. Support the hood.

2. Make sure the plastic prop rod pivot block is fully seated into the radiator support before making the adjustment.





3. Adjust the prop rod by bending the rod at the point of contact. Refer to the arrow in the illustration above. There should be approximately 10 mm (3/8 in) between the prop rod and the shroud.

Warranty Information





For vehicles repaired under warranty, use the table.





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