Service bulletins for the 2018 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.
981 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| PIT3665G | 2019-06-10. Service bulletin. SERVICE BRAKES. 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. |
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| PIP5640 | 2019-06-10. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission. |
| PIP5226C | 2019-06-10. Service bulletin. EQUIPMENT; ENGINE. 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. |
| PIP5569A | 2019-06-03. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE. This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer of a repair kit they received that will prevent this issue when installed correctly. |
| PIC5260C | 2019-06-03. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. |
| PIT5315E | 2019-06-03. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about the retained accessory power on vehicles with Radio Provisions Only Regular Production Option Code (UXZ). If the vehicle is equipped with radio provisions but was not built with a radio, the retained accessory power feature will not be present. |
| 1008110001H | 2019-05-20. Service bulletin. EQUIPMENT. This informational bulletin provides information on proper use of floor mats. |
| 030729004L | 2019-05-20. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions. |
| 030603004Y | 2019-05-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. |
| 19NA035 | 2019-05-20. Service bulletin. PARKING BRAKE:DRIVELINE:HYDRAULIC:ACTUATOR; PARKING BRAKE. This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage while driving. |
| 16NA377 | 2019-05-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This informational bulletin provides information on a Service Emission System Message and/or a Malfunction Indicator Lamp illuminated. This usually occurs after recently filling the DEF tank with the ignition in the on position due to some DEF fill equipment uses pumps that create a high level of temporary aeration of the DEF fluid being dispensed in the tank. |
| 16NA325 | 2019-05-13. Service bulletin. POWER TRAIN; ENGINE. This technical bulletin provides a procedure on how to properly identify if there is any aftermarket calibrations loaded on the ECM or and detection of a power up hardware installed. |
| 16NA244 | 2019-05-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL. This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. |
| 150603002G | 2019-05-13. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT. This informational bulletin provides information on approved warranty part numbers for original equipment batteries |
| 100605002E | 2019-05-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT. This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared Message Displayed on DIC, DTC P2463 May Be Set. |
| 100089005G | 2019-05-13. Service bulletin. ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. |
| 070601016D | 2019-05-13. Service bulletin. ENGINE. This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. |
| 040601029I | 2019-05-13. Service bulletin. EQUIPMENT. This informational bulletin explains the importance of maintaining the vehicle. |
| 030604017L | 2019-05-13. Service bulletin. FUEL SYSTEM, DIESEL. This Informational Bulletin provides information on availability of Diesel Fuel additives. |
| 030603004V | 2019-05-13. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. |
| 000601012H | 2019-05-13. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. |
| 1008110001G | 2019-04-22. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information on proper use of floor mats. |
| 110089005N | 2019-04-22. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm. |
| 100845001F | 2019-04-22. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish". |
| 090089002Q | 2019-04-22. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.