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Service bulletin 4144

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 id10022360
Published by NHTSA2007-08-03
Manufacturer's number4144
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

ALLISON LCT1000 HARSH 3-2, 2-1 DOWNSHIFT, AND ABS MAY ACTIVATE. *KB

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, Manual transmission

Vehicles listed
CHEVROLET SILVERADO2001, 2002, 2003, 2004, 2005, 2006
CHEVROLET SILVERADO 15002007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002007 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA2001, 2002, 2003, 2004, 2005, 2006
GMC SIERRA 15002007 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002007 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002007 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
05V0550002005-02-14. POWER TRAIN:MANUAL TRANSMISSION:SHIFT PATTERN INDICATOR

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
030729004L2019-05-20. Service bulletin. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
09-07-30-004J2018-05-29. Service bulletin. This technical bulletin provides a procedure to install a 3-5-rev clutch housing inspection and repair to correct the customers concern of Slips in Reverse or Third, Delayed Reverse or Drive Engagement and MIL on.
03-07-29-004J2018-05-21. Service bulletin. This informational bulletin provides technicians with information to assist in identifying operating characteristics of manual transmissions that repair attempts will not change.
SB-03-07-29-004K2016-08-06. Service bulletin. THIS INFORMATIONAL BULLETIN PROVIDE INFORMATION ON THE OPERATING CHARACTERISTICS OF A MANUAL TRANSMISSION.
PI-02982011-05-23. Service bulletin. GM: WHEN DRIVING UPHILL THE TRANSMISSION MAY NOT SHIFT OUT OF FIRST OR WILL SLIP INTO SECOND GEAR DUE TO A TORN CLUTCH SEAL. THERE MAY BE TWO INTERNAL TROUBLE CODES STORED. *RM
31362007-02-22. Service bulletin. SLIP CONDITION IN 2ND, 3RD, OR 4TH. DAMAGED 2-4 OR 3-4 CLUTCH. *KB UPDATED 10/31/07. *NJ
6092005-09-02. Service bulletin. CLUTCH PEDAL SQUEAK. *SC
050232005-07-14. Service bulletin. SHIFT LEVER POSITION INDICATOR ILLUMINATION RECALL CAMPAIGN. *TT
092620022004-08-10. Service bulletin. THIS MESSAGE IS ABOUT THE TRANSMISSION NOT SHIFTING INTO GEAR WITH THE CLUTCH PEDAL FULLY DEPRESSED. *MJ
092520022004-08-10. Service bulletin. THIS MESSAGE IS ABOUT HYDRAULIC FLUID USAGE FOR THE HYDRAULIC CLUTCH SYSTEM. *MJ