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Service bulletins for the 2008 GMC Savana

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.

1110 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
00-06-01-012E2018-06-11. Service bulletin. ENGINE; EQUIPMENT. This information bulletin provides the technician the information on how to properly clean a metal surface using the correct tool.
14-06-04-0052018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. This information bulletin advises of a new tool used to aid in installing Duramax glow plugs.
17-NA-2532018-06-11. Service bulletin. ENGINE. This informational bulletin provides information for specification with the engine oil for the Duramax 6.6L engine.
PI13942018-06-04. Service bulletin. ENGINE AND ENGINE COOLING. This preliminary informational bulletin provides technicians an engine repair tip for installation of pistons.
PI13912018-06-04. Service bulletin. ENGINE AND ENGINE COOLING. This preliminary informational bulletin provides a diagnostic tip for coolant leak at oil cooler inlet pipe o-ring after service engine replacement.
09-06-04-026J2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin supplies infomation for identifying non-GM (Aftermarket) engine calibrations for gasoline engines using Tech 2® or GDS 2 (U.S. and Canada).
PIP5276B2018-06-04. Service bulletin. ENGINE. 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 then install a new UPF48R.
PIP5276A2018-06-04. Service bulletin. ENGINE. 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 then install a new PF48E.
PIP52762018-06-04. Service bulletin. ENGINE. 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.
060601010D2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system.
15-06-03-0012018-06-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE. This informational bulletin provides information that may be useful in diagnosing/testing batteries that have set for a long period of time and/or set in cold weather climates to correct a customer concern of symptoms that include, but not limited to, a slow or no crank condition that may be caused by a discharged battery.
070604019F2018-06-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
010601011J2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
08-06-01-006D2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This informational bulletin provides information for Engine Squealing Type Noise on Start-up or Vibration Condition.
11-00-90-001B2018-06-04. Service bulletin. EQUIPMENT; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. This informational bulletin provides a revision 11-00-90-001A to add the 2014 model year. Also, a bullet was added to the dexos 2? section with information on the 2014 Cruze diesel.
06-00-89-026K2018-06-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This informational bulletin provides a revision for 06-00-89-026J to add the 2014 model year and update the labor operations.
08-06-04-003C2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). This informational bulletin advises of a new testing tool for EGR cooling pressure tester.
06-06-01-007H2018-05-29. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This informational bulletin provides additional information on identifying duramax aftermarket power up devices that may cause damage to the engine and not covered under warranty.
02-06-01-022O2018-05-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; FUEL SYSTEM, DIESEL. This informational bulletin explains possible normal diesel engine noises.
PI0653B2018-05-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. This preliminary informational bulletin was created to inform Service Agents or Dealers, they may be charged back for parts and labor due to the turbo-chargers are being returned to the Warranty Parts center damaged, improperly assembled or missing parts and advising to properly package the complete turbochargers.
12-07-30-001C2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN; ENGINE. This informational bulletin provides a process to the service agents that are not required to contact PQC, to determine when to replace a assembly as opposed to repairing and if an engine or transmission is being returned, that it has all the information in relation to that part being returned.
11-00-90-001A2018-05-29. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information on the proper oils to use on GM vehicles including information regarding the differences of the Dexos oils.
01-00-89-010J2018-05-21. Service bulletin. ENGINE; SERVICE BRAKES; EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides a revision for 01-00-89-010I to add the 2013 model year.
11-06-04-007C2018-05-21. Service bulletin. EQUIPMENT; ENGINE; ELECTRICAL SYSTEM; POWER TRAIN. This technical bulletin provides a procedure for replacing the throttle position sensor cover for concerns regarding a indicator lamp illuminated reduced power message displayed and DTC P2135 set.
08-06-04-006M2018-05-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. This informational bulletin provides technicians with Information for Identifying non-GM ECM calibration use and Power-Up hardware detection in Duramax? diesel engines ? Photograph Tech 2® Calibration IDs, Calibration Verification Numbers (CVNs) and Transmission Data Screen.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.