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Service bulletin 020730024A

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 id634999
Published by NHTSA2002-10-11
Manufacturer's number020730024A
Manufacturer's date2005-08-01
Replaces020730024B
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT

NHTSA's summary

DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *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

Transmission and driveline, Automatic transmission

Vehicles listed
BUICK ESTATE1990 to 1993
BUICK RAINIER2004
BUICK ROADMASTER1990, 1991, 1992, 1993
CADILLAC ESCALADE1999, 2000, 2001, 2002, 2003, 2004, 2005
CADILLAC FLEETWOOD1990, 1991, 1992, 1993, 1994, 1995, 1996
CHEVROLET ASTRO1990 to 2004
CHEVROLET AVALANCHE1999 to 2001
CHEVROLET AVALANCHE2002, 2003, 2004, 2005
CHEVROLET BLAZER1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
CHEVROLET CAMARO1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
CHEVROLET CAPRICE1990, 1991, 1992, 1993, 1994, 1995, 1996
CHEVROLET COLORADO2004, 2005
CHEVROLET CORVETTE1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET EXPRESS1996
CHEVROLET EXPRESS1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET IMPALA1995 to 1996
CHEVROLET IMPALA2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET S101990 to 2004
CHEVROLET SILVERADO1990 to 1998
CHEVROLET SILVERADO1999, 2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET SUBURBAN1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET TAHOE2004, 2005
CHEVROLET TRAILBLAZER2002, 2003, 2004, 2005
GMC CANYON2004, 2005
GMC ENVOY1999 to 2001
GMC ENVOY2002, 2003, 2004, 2005
GMC JIMMY1990, 1991
GMC JIMMY1992 to 2004
GMC SAFARI1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
GMC SAVANA1993 to 1995
GMC SAVANA1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
GMC SIERRA1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
GMC SIERRA DENALI2004 (the catalog's model; the bulletin names a series or trim of it)
GMC SONOMA1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
GMC SUBURBAN1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
GMC TAHOE1998 to 2003
GMC YUKON1990 to 1991
GMC YUKON1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
HUMMER H22003, 2004, 2005, 2006
HUMMER H32006
OLDSMOBILE BRAVADA1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
OLDSMOBILE CUSTOM CRUISER1990, 1991, 1992
PONTIAC FIREBIRD1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
SAAB 9-7X2005

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

Recalls for the same vehicles and component
04V3200002004-07-06. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT
03V0750002003-03-06. POWER TRAIN:AUTOMATIC TRANSMISSION
95V2210001995-11-16. POWER TRAIN:AUTOMATIC TRANSMISSION
95V1390001995-07-26. POWER TRAIN:AUTOMATIC TRANSMISSION
95V0260001995-02-16. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES
94V0930001994-05-16. POWER TRAIN:AUTOMATIC TRANSMISSION
93V0160001993-02-01. POWER TRAIN:AUTOMATIC TRANSMISSION
92V1540001992-10-23. POWER TRAIN:AUTOMATIC TRANSMISSION

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
06-00-89-031D2021-09-07. Service bulletin. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
06-00-89-031D2021-04-20. Service bulletin. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
1308116001F2020-12-07. Service bulletin. The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
PIP3330D2019-06-10. Service bulletin. This Preliminary Information Document advises the dealer that there is a software update available for the Powertrain Control Module to address diagnostic trouble code P0171. If the software update does not correct the condition, the dociment directs the dealer to related technical servce bulletins that cover cleaning fuel injectors and addressing fuel quality.
PIP3366C2018-08-20. Service bulletin. This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmission into park while the transfer case is in 4 wheel drive low (4LO) range. Dealers technician's are advised this condition should be deemed a normal characteristic of 4WD low operation.
09-07-30-018D2018-06-04. Service bulletin. This informational bulletin provides a revision for 09-07-30-018C to add the 2014 model year and update the Labor Operation.
01-00-89-010J2018-05-21. Service bulletin. This informational bulletin provides a revision for 01-00-89-010I to add the 2013 model year.
01-07-30-042H2018-05-21. Service bulletin. This information was created to inform the technician that the 2-3 upshift and the 3-2 downshift clunk is caused by the releasing of the 2-4 band and application of the 3-4 clutch assembly during an upshift. Also during a 3-2 downshift, the releasing of the 3-4 clutch during the application of the 2-4 band, can cause torque reversal down the output shaft creating a clunk. This is a normal condition.
1203100022017-12-22. Service bulletin. This informational bulletin provides a description of the proper wheel installation and proper wheel torque techniques used to install wheels onto vehicles
09-07-30-018C2017-10-12. Service bulletin. This warranty administration bulletin provides information on the change in automatic transmission add conditions documentation and claim submissions