Chevrolet 4500HD Service Bulletins (2019)

352 manufacturer communications on file.

• January 28, 2020•Document ID: 10171896

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  19NA212

  Date Added:

  March 2, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away to correct a crank/No Start condition.

  Associated Products (93)

  2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet 4500HD2020 Chevrolet Camaro2020 Chevrolet Express2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Savana2020 GMC Sierra2020 GMC Yukon2020 GMC Yukon XL2019 Cadillac CTS2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Chevrolet 35002019 Chevrolet 4500HD2019 Chevrolet Camaro2019 Chevrolet Corvette2019 Chevrolet Express+ 73 more
  Associated Documents

  • DownloadMC-10171896-0001.pdf↗
• January 23, 2020•Document ID: 10171875

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

  Mfr Comm. #:

  15NA010

  Date Added:

  March 2, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.

  Associated Products (234)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox+ 214 more
  Associated Documents

  • DownloadMC-10171875-0001.pdf↗
• January 21, 2020•Document ID: 10172285

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  20NA016

  Date Added:

  March 9, 2020

  Manufacturer:

  BUICK

  Summary

  This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.

  Associated Products (412)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette+ 392 more
  Associated Documents

  • DownloadMC-10172285-0001.pdf↗
• January 17, 2020•Document ID: 10171888

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  18NA306

  Date Added:

  March 2, 2020

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (372)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette+ 352 more
  Associated Documents

  • DownloadMC-10171888-0001.pdf↗
• January 2, 2020•Document ID: 10171878

  Service Bulletin/Repair Instructions
  EQUIPMENT; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  16NA383

  Date Added:

  March 2, 2020

  Manufacturer:

  PONTIAC

  Summary

  This 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.

  Associated Products (964)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 35002020 Chevrolet 4500HD2020 Chevrolet 4500XD2020 Chevrolet 5500HD2020 Chevrolet 5500XD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro+ 944 more
  Associated Documents

  • DownloadMC-10171878-0001.pdf↗
• November 26, 2019•Document ID: 10169357

  Service Bulletin/Repair Instructions
  EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  100089009D

  Date Added:

  December 16, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.

  Associated Products (775)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox+ 755 more
  Associated Documents

  • DownloadMC-10169357-0001.pdf↗
• November 25, 2019•Document ID: 10169355

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT

  Mfr Comm. #:

  080089014F

  Date Added:

  December 16, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).

  Associated Products (449)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox+ 429 more
  Associated Documents

  • DownloadMC-10169355-0001.pdf↗
• November 12, 2019•Document ID: 10169354

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; EXTERIOR LIGHTING

  Mfr Comm. #:

  010842001M

  Date Added:

  December 16, 2019

  Manufacturer:

  BUICK

  Summary

  This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.

  Associated Products (882)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox+ 862 more
  Associated Documents

  • DownloadMC-10169354-0001.pdf↗
• October 29, 2019•Document ID: 10168212

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  990420002K

  Date Added:

  November 25, 2019

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.

  Associated Products (428)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox+ 408 more
  Associated Documents

  • DownloadMC-10168212-0001.pdf↗
• October 15, 2019•Document ID: 10168178

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  17NA050

  Date Added:

  November 25, 2019

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin explains how a health report is required when doing repairs on LCF vehicles.

  Associated Products (6)

  2020 Chevrolet 4500HD2020 Chevrolet 5500HD2019 Chevrolet 4500HD2019 Chevrolet 5500HD2017 Chevrolet Silverado2016 Chevrolet 3500
  Associated Documents

  • DownloadMC-10168178-0001.pdf↗
• October 2, 2019•Document ID: 10168204

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  010089010N

  Date Added:

  November 25, 2019

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).

  Associated Products (549)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox+ 529 more
  Associated Documents

  • DownloadMC-10168204-0001.pdf↗
• October 2, 2019•Document ID: 10168188

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  18NA306

  Date Added:

  November 25, 2019

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (380)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox+ 360 more
  Associated Documents

  • DownloadMC-10168188-0001.pdf↗