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Service bulletin 020526001B

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10006115
Published by NHTSA2004-04-16
Manufacturer's number020526001B
Manufacturer's date2005-01-01
Replaces020526001C
NHTSA componentPARKING BRAKE; SERVICE BRAKES, AIR

NHTSA's summary

REAR PARKING BRAKE SHOE RETAINING SPRING CLIP SERVICE KIT FOR DRUM-IN-HAT (DIH) EQUIPPED VEHICLES. *TT UPDATE. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes, Parking brake

Vehicles listed
CADILLAC ESCALADE2002
CHEVROLET ASTRO2003 to 2004
CHEVROLET AVALANCHE2002, 2003, 2004, 2005
CHEVROLET BLAZER1998, 1999, 2000, 2001, 2002
CHEVROLET EXPRESS2003, 2004
CHEVROLET EXPRESS 15002005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO1999, 2000, 2001, 2002
CHEVROLET TAHOE2000, 2001, 2002
CHEVROLET TRAILBLAZER2002
CHEVROLET TRAILBLAZER 3602005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TRAILBLAZER EXT2002, 2003, 2004 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY2002, 2003, 2004, 2005
GMC ENVOY XL2002, 2003, 2004 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY XUV2004 (the catalog's model; the bulletin names a series or trim of it)
GMC JIMMY1998 to 2004
GMC SAFARI2003, 2004, 2005
GMC SAVANA2003, 2004, 2005
GMC SIERRA1999, 2000, 2001, 2002, 2003, 2004
GMC YUKON2000, 2001, 2002, 2003, 2004, 2005
OLDSMOBILE BRAVADA1998, 1999, 2000, 2001, 2002, 2003, 2004

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
05V1610002005-04-22. PARKING BRAKE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
0205260022003-02-14. Service bulletin. SCRAPING NOISE FROM REAR OF VEHICLE. *TT
0105260012001-06-04. Service bulletin. LOW EFFORT PARKING BRAKE APPLY SYSTEM. *TT
1809002001-05-11. Service bulletin. BRIEF INFORMATION CONCERNING PARKING BRAKE SHOE ADJUSTMENT. *TT