2008 Chevrolet Express Technical Service Bulletins

1,067 technical service bulletins (TSBs) are on record for the 2008 Chevrolet Express. 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.

• 10113653May 15, 2015Exterior lighting. This technical bulletin provides repair information for low beam headlamp bulb diagnosis/replacement to correct a customer concern that the low beam headlamp is inoperative.
• 10113652May 15, 2015Equipment. This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.
• 10114527May 8, 2015Engine cooling. This Preliminary Information communication provides additional information to the technician when replacing the Duramax Diesel head gasket. This is a supplement to procedure found in Service Information. The left and right cylinder head gaskets are not interchangeable and will block oil and coolant passages if installed incorrectly resulting in severe damage to the engine.
• 10113634May 7, 2015Engine. This informational bulletin provides technicians with information to help educate them on the many various combinations of engines, interfacing equipment and vehicle usage which may cause higher than expected oil consumption.
• 10113620Apr 28, 2015Equipment. This preliminary informational bulletin provides repair information to correct a customer concern of Iitermittently key will not rotate in door or ignition lock cylinder.
• 10113614Apr 27, 2015Equipment. This informational bulletin provides information to assist dealership personnel with the identification of vehicle headlamp, tail lamp, license lamp or fog/driving lamp damage that are not considered warrantable.
• 10113613Apr 27, 2015Equipment. This informational bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
• 10114476Apr 21, 2015Electrical system. This Preliminary Information communication provides information to the technician about vehicle starts and stalls on the first initial start after the replacement of the Theft Deterrent Module. Technician will need to use the scan tool to check Manufactures Enable Counter. If the number is anything other than zero the Manufactures Enable Counter will need to be reset.
• 10114474Apr 20, 2015Equipment. This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
• 10114470Apr 17, 2015Electrical system, Equipment. 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.
• 10135418Mar 31, 2015Electrical system. This informational bulletin adds the 2014 and 2015 model years to information of a language change for OnStar System (U.S. and Canada only).
• 10113785Mar 31, 2015Equipment. This informational bulletin adds the 2014 and 2015 model years to information of a language change for OnStar System (U.S. and Canada only).
• 10135412Mar 26, 2015Equipment. This informational bulletin provides information on the Product Quality Center (PQC) assembly replacement process for Service Agents not required to contact PQC prior to assembly replacement.
• 10113775Mar 26, 2015Equipment. This informational bulletin provides information on the Product Quality Center (PQC) assembly replacement process for Service Agents not required to contact PQC prior to assembly replacement.
• 10113773Mar 26, 2015Equipment. 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.
• 10135410Mar 24, 2015Brakes. This informational bulletin provides technicians with a brake lathe calibration procedure.
• 10113770Mar 24, 2015Brakes. This informational bulletin provides technicians with a brake lathe calibration procedure.
• 10139349Mar 18, 2015Engine. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on during a cold start in temperatures below 0 degrees Fahrenheit. Technician will find Diagnostic Trouble Code P0521. Technician will check the oil filter part number. If the part number is PF48E change the oil filter to a PF48. If a PF48 is not available…
• 10135395Mar 16, 2015Equipment. This preliminary informational bulletin provides technicians with diagnostic tips for a customer concern of odor emanating from HVAC system.
• 10113753Mar 16, 2015Equipment. This preliminary informational bulletin provides technicians with diagnostic tips for a customer concern of odor emanating from HVAC system.
• 10139334Mar 10, 2015Engine. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on during a cold start in temperatures below 0 degrees Fahrenheit. Technician will find Diagnostic Trouble Code P0521. Technician will check the oil filter part number. If the part number is PF48E change the oil filter to a PF48. If a PF48 is not available…
• 10135384Mar 10, 2015Equipment. This warranty administration bulletin provides retail and wholesale service personnel with the policies and the warranty claims submission procedures that support Labor Operation 0600014 ? Suspected Tampering or Vehicle Modifications.
• 10113745Mar 10, 2015Equipment. This warranty administration bulletin communicates GM required operating procedures (U.S. only) for service operations.
• 10113741Mar 10, 2015Equipment. This warranty administration bulletin provides retail and wholesale service personnel with the policies and the warranty claims submission procedures that support Labor Operation 0600014 - Suspected Tampering or Vehicle Modifications.
• 10135383Mar 9, 2015Equipment. This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only).
• 10113740Mar 9, 2015Equipment. This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only).
• 10139323Mar 6, 2015Engine. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on during a cold start in temperatures below 0 degrees Fahrenheit. Technician will find Diagnostic Trouble Code P0521. Technician will check the oil filter part number. If the part number is PF48E change the oil filter to a PF48.
• 10135381Mar 6, 2015Engine cooling. This informational bulletin provides technicians with diagnostic tips for preventing oil leaks after changing oil and filter.
• 10113738Mar 6, 2015Engine cooling. This informational bulletin provides technicians with diagnostic tips for preventing oil leaks after changing oil and filter.
• 10135378Mar 4, 2015Electrical system. This informational bulletin provides information for installing a diode to solenoid/relay to suppress voltage spikes in conjuction with installation of electrical aftermarket accessories-battery, ignition and ground feeds-(do not splice into wiring harness).
• 10135377Mar 4, 2015Equipment. This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only).
• 10113732Mar 4, 2015Electrical system. This informational bulletin provides information for installing a diode to solenoid/relay to suppress voltage spikes in conjuction with installation of electrical aftermarket accessories-battery, ignition and ground feeds-(do not splice into wiring harness).
• 10113731Mar 4, 2015Equipment. This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only).
• 10135369Mar 2, 2015Electrical system. This informational bulletin provides information on communication with OnStar® module after Canadian cellular upgrade.
• 10113722Mar 2, 2015Equipment. This informational bulletin provides information on communication with OnStar® module after Canadian cellular upgrade.
• 10113720Mar 2, 2015Equipment. This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.
• 10113573Feb 27, 2015Electrical system, Equipment. This informational bulletin provides information on dealer reimbursement procedures for Customer Assistance Center (CAC) Tier 1 and Tier 2 empowerment tools: diagnostic fee, short term rental, and up-front towing (U.S. only).
• 10113571Feb 24, 2015Electrical system. This informational bulletin communicates Information to technicians on control module Diagnostic Trouble Code(s) (DTC)(s) P0601, P0602, P0603, P0604, P0606, P062F, P06F3, P1621 which can be shared in multiple modules.
• 10113566Feb 20, 2015Fuel system. This informational bulletin provides information for maintenance cleaning of the fuel injectors.
• 10114408Feb 13, 2015Equipment. 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…
• 10113538Feb 11, 2015Tires, Wheels. This informational bulletin communicates comprehensive instructions to GM Dealers and authorized GM Accessory Distributor/Installers as to the proper methods for mounting, balancing, and installing accessory wheels and tires.
• 10113531Feb 9, 2015Equipment. This warranty administration bulletin provides information to clarify proper transaction administration of GM Dealer Empowerment Program and Goodwill Cases.
• 10113527Feb 6, 2015Exterior lighting. This informational bulletin communicates GM's position on exterior lighting components ?tinted or smoked? by an outside vendor.
• 10113519Feb 5, 2015Electrical system, Equipment. This preliminary informational bulletin adds the 2015 model year to repair information on correcting a customer concern of poor, limited, reduced Remote Keyless Entry (RKE) or Remote Vehicle Start (RVS) range.
• 10113514Feb 3, 2015Tires. This informational bulletin communicates GM's position on use of nitrogen gas in tires.
• 10113512Feb 3, 2015Electrical system. This preliminary informational bulletin provides a diagnostic tip for low line pressure or pressure regulator valve stuck after transmission service pump cover replacement.
• 10139438Jan 26, 2015Equipment. This informational bulletin provides information to correct a dealer concern of what they perceive to be paint staining when the protective shipping film is removed from certain vehicles.
• 10139437Jan 23, 2015Electrical system. This informational bulletin updates information on electrical ground repairs using new replacement fasteners with conductive finish.
• 10139436Jan 23, 2015Equipment. This informational bulletin adds 2014 - 2015 model years to information regarding comeback prevention and using Customer Concern Verification Sheets (CCVS).
• 10139433Jan 23, 2015Electrical system. This informational bulletin provides information on control module diagnostics and configuration, programming using the TIS Service Programming System (SPS), set-up and warranty.

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