Buick Regal Service Bulletins

3,210 manufacturer communications on file.

• June 7, 2021•Document ID: 10200152

  Service Bulletin/Repair Instructions
  EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN

  Mfr Comm. #:

  080730035E

  Date Added:

  August 9, 2021

  Manufacturer:

  BUICK

  Summary

  This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.

  Associated Products (692)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet 35002021 Chevrolet 4500HD2021 Chevrolet 5500HD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox+ 672 more
  Associated Documents

  • DownloadMC-10200152-0001.pdf↗
• June 3, 2021•Document ID: 10200153

  Service Bulletin/Repair Instructions
  EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  110089002E

  Date Added:

  August 9, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.

  Associated Products (299)

  2022 Buick Encore2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Spark2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer+ 279 more
  Associated Documents

  • DownloadMC-10200153-0001.pdf↗
• May 27, 2021•Document ID: 10197314

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5621B

  Date Added:

  June 14, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealer  technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.

  Associated Products (166)

  2018 Buick Cascada2018 Buick Enclave2018 Buick Encore2018 Buick Envision2018 Buick LaCrosse2018 Buick Regal2018 Cadillac ATS2018 Cadillac CT62018 Cadillac CTS2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Cadillac XT52018 Cadillac XTS2018 Chevrolet 4500HD2018 Chevrolet 5500HD2018 Chevrolet Aveo2018 Chevrolet Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette+ 146 more
  Associated Documents

  • DownloadMC-10197314-0001.pdf↗
• May 27, 2021•Document ID: 10200089

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  070089037Q

  Date Added:

  August 9, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

  Associated Products (651)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet 35002021 Chevrolet 4500HD2021 Chevrolet 4500XD2021 Chevrolet 5500HD2021 Chevrolet 5500XD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado+ 631 more
  Associated Documents

  • DownloadMC-10200089-0001.pdf↗
• May 25, 2021•Document ID: 10199281

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:CANISTER

  Mfr Comm. #:

  21NA124

  Date Added:

  July 19, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.

  Associated Products (773)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet 35002021 Chevrolet 4500HD2021 Chevrolet 5500HD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox+ 753 more
  Associated Documents

  • DownloadMC-10199281-0001.pdf↗
• May 25, 2021•Document ID: 10198890

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  21NA124

  Date Added:

  July 6, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.

  Associated Products (773)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet 35002021 Chevrolet 4500HD2021 Chevrolet 5500HD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox+ 753 more
  Associated Documents

  • DownloadMC-10198890-0001.pdf↗
• May 24, 2021•Document ID: 10199244

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  19NA256

  Date Added:

  July 19, 2021

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides diagnostic aid procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine.

  Associated Products (193)

  2021 Buick Enclave2021 Cadillac CT52021 Cadillac XT52021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Traverse2021 GMC Acadia2021 GMC Canyon2020 Buick Enclave2020 Buick Regal2020 Cadillac CT52020 Cadillac CT62020 Cadillac XT52020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Impala2020 Chevrolet Traverse2020 GMC Acadia+ 173 more
  Associated Documents

  • DownloadMC-10199244-0001.pdf↗
• May 24, 2021•Document ID: 10198853

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19NA256

  Date Added:

  July 6, 2021

  Manufacturer:

  GMC

  Summary

  This service bulletin provides diagnostic aid procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine.

  Associated Products (193)

  2021 Buick Enclave2021 Cadillac CT52021 Cadillac XT52021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Traverse2021 GMC Acadia2021 GMC Canyon2020 Buick Enclave2020 Buick Regal2020 Cadillac CT52020 Cadillac CT62020 Cadillac XT52020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Impala2020 Chevrolet Traverse2020 GMC Acadia+ 173 more
  Associated Documents

  • DownloadMC-10198853-0001.pdf↗
• May 21, 2021•Document ID: 10199235

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18NA306

  Date Added:

  July 19, 2021

  Manufacturer:

  GMC

  Summary

  This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

  Associated Products (396)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado+ 376 more
  Associated Documents

  • DownloadMC-10199235-0001.pdf↗
• May 21, 2021•Document ID: 10198844

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18NA306

  Date Added:

  July 6, 2021

  Manufacturer:

  BUICK

  Summary

  This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

  Associated Products (396)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado+ 376 more
  Associated Documents

  • DownloadMC-10198844-0001.pdf↗
• May 17, 2021•Document ID: 10200090

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  100089006H

  Date Added:

  August 9, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).

  Associated Products (849)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado+ 829 more
  Associated Documents

  • DownloadMC-10200090-0001.pdf↗
• May 17, 2021•Document ID: 10200088

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  070089037P

  Date Added:

  August 9, 2021

  Manufacturer:

  GMC

  Summary

  This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

  Associated Products (636)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet 35002021 Chevrolet 4500HD2021 Chevrolet 5500HD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox+ 616 more
  Associated Documents

  • DownloadMC-10200088-0001.pdf↗
• May 14, 2021•Document ID: 10199229

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  17NA021

  Date Added:

  July 19, 2021

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides a procedure for replacing the oil pump, power brake booster and power brake booster vacuum hose to eliminate a hard brake pedal and/or air type noise heard upon brake apply due to oil in the brake booster.

  Associated Products (19)

  2018 Buick LaCrosse2018 Buick Regal2018 Cadillac ATS2018 Cadillac CT62018 Cadillac CTS2018 Cadillac XT52018 Chevrolet Camaro2018 GMC Acadia2017 Buick LaCrosse2017 Cadillac ATS2017 Cadillac CT62017 Cadillac CTS2017 Cadillac XT52017 Chevrolet Camaro2017 GMC Acadia2016 Cadillac ATS2016 Cadillac CT62016 Cadillac CTS2016 Chevrolet Camaro
  Associated Documents

  • DownloadMC-10199229-0001.pdf↗
• May 14, 2021•Document ID: 10198838

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  17NA021

  Date Added:

  July 6, 2021

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides a procedure for replacing the oil pump, power brake booster and power brake booster vacuum hose to eliminate a hard brake pedal and/or air type noise heard upon brake apply due to oil in the brake booster.

  Associated Products (19)

  2018 Buick LaCrosse2018 Buick Regal2018 Cadillac ATS2018 Cadillac CT62018 Cadillac CTS2018 Cadillac XT52018 Chevrolet Camaro2018 GMC Acadia2017 Buick LaCrosse2017 Cadillac ATS2017 Cadillac CT62017 Cadillac CTS2017 Cadillac XT52017 Chevrolet Camaro2017 GMC Acadia2016 Cadillac ATS2016 Cadillac CT62016 Cadillac CTS2016 Chevrolet Camaro
  Associated Documents

  • DownloadMC-10198838-0001.pdf↗
• May 12, 2021•Document ID: 10197294

  Service Bulletin/Repair Instructions
  STRUCTURE; EQUIPMENT

  Mfr Comm. #:

  PIP5358A

  Date Added:

  June 14, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.

  Associated Products (804)

  2018 Buick Cascada2018 Buick Enclave2018 Buick Encore2018 Buick Envision2018 Buick LaCrosse2018 Buick Regal2018 Cadillac ATS2018 Cadillac CT62018 Cadillac CTS2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Cadillac XT52018 Cadillac XTS2018 Chevrolet 4500HD2018 Chevrolet 5500HD2018 Chevrolet 5500XD2018 Chevrolet Aveo2018 Chevrolet Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado+ 784 more
  Associated Documents

  • DownloadMC-10197294-0001.pdf↗
• May 7, 2021•Document ID: 10197286

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  PIT5214E

  Date Added:

  June 14, 2021

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.

  Associated Products (357)

  2018 Buick Cascada2018 Buick Enclave2018 Buick Encore2018 Buick Envision2018 Buick LaCrosse2018 Buick Regal2018 Cadillac ATS2018 Cadillac CT62018 Cadillac CTS2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Cadillac XT52018 Cadillac XTS2018 Chevrolet 4500HD2018 Chevrolet 5500HD2018 Chevrolet Aveo2018 Chevrolet Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado2018 Chevrolet Corvette+ 337 more
  Associated Documents

  • DownloadMC-10197286-0001.pdf↗
• May 7, 2021•Document ID: 10199253

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA218

  Date Added:

  July 19, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.

  Associated Products (28)

  2021 Buick Encore GX2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Sierra2021 GMC Terrain2021 GMC Yukon2021 GMC Yukon XL2020 Buick Encore GX2020 Buick Regal2020 Cadillac CT52020 Chevrolet Corvette2020 Chevrolet Equinox+ 8 more
  Associated Documents

  • DownloadMC-10199253-0001.pdf↗
• May 7, 2021•Document ID: 10198862

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  20NA218

  Date Added:

  July 6, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.

  Associated Products (28)

  2021 Buick Encore GX2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Sierra2021 GMC Terrain2021 GMC Yukon2021 GMC Yukon XL2020 Buick Encore GX2020 Buick Regal2020 Cadillac CT52020 Chevrolet Corvette2020 Chevrolet Equinox+ 8 more
  Associated Documents

  • DownloadMC-10198862-0001.pdf↗
• May 6, 2021•Document ID: 10197283

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5720A

  Date Added:

  June 14, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates that a possible trans fluid leak found may only be residual fluid that was left during the assembly process with no repairs needed if no dye is detected after cleaning and re-evaluation.

  Associated Products (10)

  2020 Buick Encore GX2020 Buick Regal2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Equinox2020 Chevrolet Malibu2020 GMC Acadia2020 GMC Terrain
  Associated Documents

  • DownloadMC-10197283-0001.pdf↗
• May 6, 2021•Document ID: 10200093

  Service Bulletin/Repair Instructions
  TIRES

  Mfr Comm. #:

  130310001H

  Date Added:

  August 9, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on summer tire performance and tire cold weather cracking.

  Associated Products (37)

  2021 Cadillac CT42021 Cadillac CT52021 Chevrolet Camaro2021 Chevrolet Corvette2020 Cadillac CT42020 Cadillac CT52020 Chevrolet Camaro2020 Chevrolet Corvette2019 Cadillac ATS2019 Cadillac CTS2019 Chevrolet Camaro2019 Chevrolet Corvette2018 Cadillac ATS2018 Cadillac CTS2018 Chevrolet Camaro2018 Chevrolet Corvette2017 Buick Regal2017 Cadillac ATS2017 Cadillac CTS2017 Chevrolet Camaro+ 17 more
  Associated Documents

  • DownloadMC-10200093-0001.pdf↗