Chevrolet Avalanche owners have reported 1
problem related to roof and pillar (under the structure category).
The most recently reported issues are listed below.
1 Roof And Pillar problem of the 2002 Chevrolet Avalanche
Failure Date: 08/04/2003
The springs on the wind deflector on an open sun roof are not strong enough to hold it up at the proper angle to abate the wind "whooping" noise created by the open sun roof.