Rear Air Suspension Inoperative – 2019-2020 Chevrolet Silverado 4500HD, 5500HD & 6500HD

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2019 Chevrolet Silverado 4500-6500

NHTSA ID Number: 10187391 Manufacturer Communication Number: 20NA030   Summary This service bulletin provides a procedure to correct a customer concern of Rear Air Suspension Inoperative.   1 Affected Product Vehicle MAKE MODEL YEAR CHEVROLET SILVERADO 4500HD 2019     Parts Information Causal Part Description Part Number Qty X SPRING, RR AIR 19407642 2 N/A ABSORBER, RR … Read more

Information on Possible Normal Engine Noise – 2020-2021 Buick Encore GX & Chevrolet Trailblazer

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2021 Buick Encore GX

NHTSA ID Number: 10187392 Manufacturer Communication Number: 20NA084   Summary This service bulletin provides information on normal engine characteristics/noise produced by the LIH engine.   3 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE GX 2020-2021 CHEVROLET TRAILBLAZER 2021     SEOCONTENT-START Service Bulletin Bulletin No.: 20-NA-084 Date: December, 2020 INFORMATION Subject: Information on Possible Normal Engine … Read more

Information on False Setting of DTC U0212 – 2020-2021 Cadillac Chevrolet & GMC

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2021 Chevrolet Tahoe

NHTSA ID Number: 10205058 Manufacturer Communication Number: 20NA114   Summary This informational bulletin provides information for dealers/technicians on the false setting of DTC U0212.     8 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CT4 2020 CADILLAC CT5 2020 CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV 2021 CHEVROLET SUBURBAN 2021 CHEVROLET TAHOE 2021 GMC YUKON 2021 GMC YUKON … Read more

2017-2020 Chevrolet LCF 4500HD, 4500XD, 5500HD, & 5500XD Safety Recall N212333830 Rear Axle U-Bolt Nuts

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Chevrolet 4500HD

March 19, 2021 NHTSA CAMPAIGN NUMBER: 21V194000 Rear Axle U-Bolt Not Properly Tightened The misalignment may cause the propeller shaft to separate, causing a loss of power to the rear wheels and a stall, increasing the risk of a crash.   NHTSA Campaign Number: 21V194 Manufacturer Isuzu Technical Center of America, Inc. Components SUSPENSION Potential Number of Units Affected 258 … Read more

A/C Inoperative and/or Insufficient Cooling – 2017-2018 Cadillac Chevrolet & GMC

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2018 Chevrolet Silverado

NHTSA ID Number: 10187431 Manufacturer Communication Number: 18NA156   Summary This technical bulletin provides a procedure to replace the dehydrator to correct the condition of A/C Inoperative and/or Insufficient Cooling due to the seals going bad within the part.   58 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2014-2018 CADILLAC ESCALADE ESV 2014-2018 CHEVROLET SILVERADO 1500 … Read more