2001 GMC Express Savannah

Service bulletins

Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.

• 11006621Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
• 11006421GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return.
• 11004761This service 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 should be used to reduce carbon build-up.
• 11004557This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
• 10248444Vehicle Recalls
• 10247681Information On Requests To Add OnStar Bluetooth Option.
• 10246952Programming And Activation Of Replacement OnStar Modules.
• 10246951Programming And Activation Of Replacement OnStar Modules.
• 10246631Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
• 10245951Canadian Customers Unable To Place Calls And Turn By Turn Inoperative In The United States.
• 10245950Canadian Customers Unable To Place Calls In The United States
• 10235713This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S. Only).
• 10232136This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
• 10219266This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set.
• 10214869This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
• 10209980This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
• 10209921This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
• 10201115OnStar Voice Fallback Number Update
• 10190934Underbody 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 form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy.
• 10190933Underbody 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 form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy.
• 10190932Refinishing 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 wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes, gouges, etc. The Dealer must insure that such damage is not deeper than what can be sanded or polished off. The wheel must be inspected for cracks. If cracks are found, discard the wheel. Any wheels with bent rim flanges must not be repaired or refinished. Wheels that have been refinished by an outside company must be returned to the same vehicle. The Dealer must record the wheel ID stamp or the cast date on the wheel in order to assure this requirement. Refer to Refinisher's Responsibility Outside Company later in this bulletin.
• 10190931Refinishing 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 wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes, gouges, etc. The Dealer must insure that such damage is not deeper than what can be sanded or polished off. The wheel must be inspected for cracks. If cracks are found, discard the wheel. Any wheels with bent rim flanges must not be repaired or refinished. Wheels that have been refinished by an outside company must be returned to the same vehicle. The Dealer must record the wheel ID stamp or the cast date on the wheel in order to assure this requirement. Refer to Refinisher's Responsibility Outside Company later in this bulletin.
• 10190512OnStar 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 remotely. As a result, some of your OnStar system functions may not be working as expected." The customer is further instructed in this letter to "Please contact your dealer or any dealer near you as soon as possible to schedule an appointment for this no-cost software update. Your dealer will reprogram your OnStar module with an update. This is for vehicles that have previously received the Canada upgrade as described in Service Bulletin #15-08-44-001F."
• 10171878This 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 should be used to reduce carbon build-up.
• 10083900This preliminary information communication advises the technician, if unable to place an onstar call in the ignition on mode after the onstar canada upgrade to contact the gm technical assistance center onstar group for further assistance.
• 10083898This preliminary information communication advises the technician if unable to place an onstar call in the ignition on mode after the onstar canada upgrade, to contact the gm technical assistance center onstar group for further assistance.
• 10083884This preliminary information communication advises the technician on the steps for diagnosing the concern. The vehicle may be unable to connect to onstar using the white, blue or red onstar buttons.
• 10083489This preliminary information communication advises the technician the steps on repairing the concern. A customer may identify a concern of unable to reactivate a vehicle's onstar that has been previously disabled by onstar. Dealer IS to call general motors technical assistance center for further assistance if the concern IS still present.
• 10083484This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the onstar system.
• 10082869This informational bulletin provides additional information on how to install pistons and suggest what tools to use.
• 10082814This informational bulletin provides information to gm dealers on the correct cleaning methods when cleaning engine gasket sealing surfaces.
• 10082506This technical bulletin provides a procedure to reprogram the media disc player with the latest calibrations to correct a condition of the rear entertainment system not operating as intended in colder ambient temperature areas due to calibration concerns.
• 10078735This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the onstar system.
• 10078734This preliminary information communication advises the technician the steps on repairing the concern. A customer may identify a concern of unable to reactivate a vehicle's onstar that has been previously disabled by onstar. Dealer IS to call general motors technical assistance center for further assistance if the concern IS still present.
• 10042986General motors: information provided by bulletin for all 2012 and prior general motor trucks and passenger vehicles regarding the adjustable comfort and custom upholstery of the driver and the passenger head restraint.
• 10032435Gm: loss of power hesitates on acceleration. 4.3, 4.8, 5.3, 5.7 and 6.0 engines coupled with the 4l60e or 4l65e may experience a condition of hesitates, misses or loss of power under acceleration. The vehicle may operate as if it IS in reduced power mode.
• 617786This service message addresses customer concerns regarding theft deterrents, a new rear door outside handle and license plate housing developed for added theft protection.