| Component | Summary |
350000 EQUIPMENT | Sep 13, 2021 - This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. áTechnicians shouldárefer to Service Information for information regarding most accessories. áTechnician |
060000 ENGINE (PWS) | Sep 07, 2021 - New Tool Availability - EN-48974-EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber |
060000 ENGINE AND ENGINE COOLING | Sep 07, 2021 - New Tool Availability - EN-48974-EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber |
061200 ENGINE AND ENGINE COOLING, ENGINE, DIESEL | Sep 07, 2021 - New Tool Availability - EN-48974-EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber |
346000 COMMUNICATION, MANUFACTURER TELEMATICS | Sep 07, 2021 - OnStar Voice Fallback Number Update |
353000 EQUIPMENT, ELECTRICAL | Sep 07, 2021 - OnStar Voice Fallback Number Update |
350000 EQUIPMENT | Aug 09, 2021 - This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only). |
350000 EQUIPMENT | May 17, 2021 - This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer |
161100 STRUCTURE, FRAME AND MEMBERS, UNDERBODY SHIELDS | Apr 26, 2021 - Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some fo |
200000 WHEELS | Apr 26, 2021 - Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the whe |
350000 EQUIPMENT | Apr 26, 2021 - Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the whe |
356000 EQUIPMENT ADAPTIVE/MOBILITY | Apr 26, 2021 - Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the whe |
356000 EQUIPMENT ADAPTIVE/MOBILITY | Apr 26, 2021 - Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some fo |
110000 ELECTRICAL SYSTEM | Apr 20, 2021 - OnStar« Voice Fallback Number Update Some customers may have received a letter from OnStar« stating that "We recently tried to provide a software update to the OnStar« hardware in your vehicle. However, your system could not be updated r |
350000 EQUIPMENT | Apr 20, 2021 - OnStar« Voice Fallback Number Update Some customers may have received a letter from OnStar« stating that "We recently tried to provide a software update to the OnStar« hardware in your vehicle. However, your system could not be updated r |
030000 BRAKES (PWS) | Aug 10, 2020 - This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. |
073000 FUEL SYSTEM, GASOLINE, FUEL INJECTION SYSTEM | Mar 02, 2020 - This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels |
350000 EQUIPMENT | Mar 02, 2020 - This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels |
356000 EQUIPMENT ADAPTIVE/MOBILITY | Mar 02, 2020 - This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels |
021240 SUSPENSION, FRONT, SPRINGS, LEAF SPRING ASSEMBLY | Nov 25, 2019 - This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact. |
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