2003 Chevrolet Avalanche 1500 Technical Service Bulletins

395 technical service bulletins (TSBs) are on record for the 2003 Chevrolet Avalanche 1500. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10114746Nov 21, 2014Engine. This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on or engine misfire, rough idle, extended crank, or crank no start in some cases. Technician will need to perform published Service Information diagnostics. If technician finds carbon an upper engine and valve cleaning should be performed.
• 10114724Nov 13, 2014Equipment. This Preliminary Information communication provides information to the technician about customers may inquire about the availability of the passenger compartment air filter. Dealer should advise the customer starting in 2003 the passenger compartment air filter is no longer available as a factory option. For vehicles that are 2007 and later a cabin air filter may be able to be added. Refer to the latest version of…
• 10114719Nov 11, 2014Vehicle speed control. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
• 10114240Nov 3, 2014Equipment. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
• 10114239Nov 3, 2014Equipment. This warranty bulletin clarifies the use of dealer empowerment to satisfy the customer.
• 10252163Nov 1, 2014Equipment. XM Audio Traffic And Travel Link Availability And Operation.
• 10247748Nov 1, 2014Electrical system. Speedometer Needle Accuracy Information.
• 10247093Nov 1, 2014Electrical system. Speedometer Needle Accuracy Information.
• 10245951Nov 1, 2014Equipment. Canadian Customers Unable To Place Calls And Turn By Turn Inoperative In The United States.
• 10135356Oct 30, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
• 10114315Oct 27, 2014Equipment. This information bulletin explains how to measure for oil consumpsion and possible reasons for loss of oil.
• 10135342Oct 20, 2014Engine cooling. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire.
• 10135337Oct 17, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the existing cellular provider not having roaming agreements in areas outside of Canada to support transmitting of the packet data required for Turn-By-Turn feature to operate. The…
• 10135322Oct 10, 2014Engine cooling. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire.
• 10135321Oct 10, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that show an error message when a media disc is installed. Technician will need to check the Regular Production Option Code list to verify if the disc is compatible.
• 10112251Sep 24, 2014Engine cooling. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
• 10150637Sep 23, 2014Equipment. This informational bulletin provides information on how to use floor mats.
• 10142226Sep 23, 2014Equipment. This informational bulletin provides information on how to use floor mats.
• 10137805Sep 23, 2014Equipment. This informational bulletin provides information on how to use floor mats.
• 10150627Sep 16, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10142208Sep 16, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10137787Sep 16, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10246647Sep 1, 2014Brakes. Pre-Formed and Pre-Flared Hydraulic Brake Pipe Kits Now Available for Service
• 10138682Aug 18, 2014Equipment. This preliminary bulletin provides a diagnostic tip to install a temporary dowl rod to perform an alignment.
• 10112160Aug 8, 2014Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partect for assistance. Technician can also contact Techline Customer Support Center for programming issues.
• 10112137Jul 30, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
• 10140437Jul 25, 2014Equipment, Engine. This information bulletin provides the technician the information on how to properly clean a metal surface using the correct tool.
• 10138592Jul 25, 2014Equipment. This information bulletin provides the technician the information on how to properly clean a metal surface using the correct tool.
• 10137842Jul 25, 2014Equipment, Engine cooling. This information bulletin provides the technician the information on how to properly clean a metal surface using the correct tool.
• 10140434Jul 23, 2014Steering. This technical bulletin provides a procedure to replace the power steering pump and line to correct the customers concern of lack of steering assit when stopped or parking lot manuvers.
• 10138589Jul 23, 2014Steering. This technical bulletin provides a procedure to replace the power steering pump and line to correct the customers concern of lack of steering assit when stopped or parking lot manuvers.
• 10137839Jul 23, 2014Steering. This technical bulletin provides a procedure to replace the power steering pump and line to correct the customers concern of lack of steering assit when stopped or parking lot manuvers.
• 10140367Jul 16, 2014Equipment. This informational bulletin provides information on what products GM has to aid in the eliminating unwanted odors in a vehicle.
• 10138582Jul 16, 2014Equipment. This informational bulletin provides information on what products GM has to aid in the eliminating unwanted odors in a vehicle.
• 10137832Jul 16, 2014Equipment. This informational bulletin provides information on what products GM has to aid in the eliminating unwanted odors in a vehicle.
• 10140363Jul 11, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10138578Jul 11, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10137828Jul 11, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10248444Jun 30, 2014Equipment. Vehicle Recalls
• 10126285Jun 16, 2014Equipment. This preliminary bulletin provides procedures on how to reset or refresh the XM radio receiver is the customers states that they only get a few channels.
• 10125956Jun 16, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that may not receiving all channels on the XM band. Technician will need to use a scan tool and verify current Digital Radio Receiver Status under Data Display. Technician will need to look at the second line labeled Digital Radio Receiver Status will display a number of 00 - 04. Technician will repair per the status…
• 10125953Jun 16, 2014Equipment. This Preliminary Information communication provides information to the technician on the programming and activation of the OnStar system. For many 2008 and prior model year GM vehicles, the programming is performed using the Tech 2 and the activation is initiated by a Service Programming System.
• 10246952Jun 1, 2014Equipment. Programming And Activation Of Replacement OnStar Modules.
• 10137929May 22, 2014Electrical system. This informational bulletin advises the technician to update the Onstar from an analog system to a digital system if the customer wishes.
• 10137919May 19, 2014Equipment. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
• 10137901May 9, 2014Fuel system. This informational bulletin provides the technician with information on what E85 fuel may due to a non E85 vehicle.
• 10246624May 1, 2014Equipment. Car and Truck Fix it Right the First Time Issues
• 10135219Apr 22, 2014Exterior lighting. This informational bulletin explains condensation in exterior lights and replacment guidelines for warranty replacement.
• 10135218Apr 22, 2014Equipment. This informational bulletin is to assist with the identification of issues that are not considered warrantable.
• 10135215Apr 21, 2014Equipment. This bulletin was cancelled and refers to 08-08-57-007D

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