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Service bulletins for the 2018 Buick Enclave

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.

1027 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
22-NA-2402022-12-15. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin advises the tech to validate if oil is leaking into the cooling system and to test and verify were to leak is coming from before replacing all the parts that wouldn't apply to the repair.
20-NA-1382022-12-06. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
22-NA-0742022-12-03. Service bulletin. ENGINE AND ENGINE COOLING. This 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.
15-NA-0872022-11-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This technical bulletin advises the technician to rest the MIL and diagnose additional DTCs for why the code is setting and disabling the start/stop system.
22-NA-0092022-10-12. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
15-00-89-004E2022-10-11. Service bulletin. POWER TRAIN; SUSPENSION; ENGINE AND ENGINE COOLING; SERVICE BRAKES, HYDRAULIC; STEERING. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
09-06-04-026W2022-10-11. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
07-06-01-016H2022-10-11. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
06-00-89-031H2022-10-11. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
05-06-04-022T2022-10-11. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
05-00-89-072F2022-10-11. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.
04-06-04-051G2022-10-08. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
01-06-01-011M2022-10-08. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
00-06-01-012L2022-10-08. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
16-NA-2222022-10-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
00-06-01-026P2022-09-30. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
20-NA-0652022-09-07. Service bulletin. ENGINE AND ENGINE COOLING. This 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.
19-NA-0442022-08-29. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
12-01-37-001F2022-07-12. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
22-NA-0092022-07-01. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
21-NA-0432022-06-02. Service bulletin. FUEL SYSTEM, GASOLINE; SERVICE BRAKES; ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL; WHEELS. This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
22NA0092022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
18NA0732022-05-31. Service bulletin. ENGINE. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
16NA2222022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN; UNKNOWN OR OTHER. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
PIP5681C2022-05-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This Preliminary information communicates a poor weld or low weld adhesion for the bracket on the Bank 2 front exhaust pipe causing multiple possible concerns and the recommended repairs. Added 2020 MY. Added 2021 Model Year and added all possible affected countries. Corrected direction and add 2022 MY.

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