Manufacturer Communications

Vehicles / Chevrolet / Express / 2021
Bulletin Number Vehicle Make Vehicle Model Model Year Summary
N202325860 CHEVROLET EXPRESS 2021 Customer Satisfaction Program. Certain vehicles may have two potential conditions. First; the front caliper may have been produced out of specificatio
20NA225 CHEVROLET EXPRESS 2021 This technical bulletin provides a procedure to remove the tabs from the pre and post battery positive cables so they dont contact the Mega fuses moun
17NA222 CHEVROLET EXPRESS 2021 This technical bulletin provides a procedure to replace the turbocharger for vehicles with a condition of Turbocharger Whine Noise due to the blades o
N202325860-01 CHEVROLET EXPRESS 2021 Customer Satisfaction Program (Revised Parts Table). Certain vehicles may have two potential conditions. First; the front caliper may have been produc
N212327560 CHEVROLET EXPRESS 2021 Service update - certain vehicles Savana vehicles may have a condition where the radiator overflow and vent ports were blocked by flash during the mol
16NA380 CHEVROLET EXPRESS 2021 This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.<
16NA222 CHEVROLET EXPRESS 2021 This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibratio
20NA225 CHEVROLET EXPRESS 2021 This technical bulletin provides a procedure to remove the tabs from the pre and post battery positive cables so they dont contact the Mega fuses moun
PIP5787A CHEVROLET EXPRESS 2021
PIP5784 CHEVROLET EXPRESS 2021
030604017O CHEVROLET EXPRESS 2021 This Informational Bulletin provides information on availability of Diesel Fuel additives.<br />
18NA103 CHEVROLET EXPRESS 2021 This service bulletin provides information to correct a customer concern of an in-tank fuel pump whining noise, engine hard to start and/or stalls and
17NA352 CHEVROLET EXPRESS 2021 This informational bulletin explains how the SOOT readings went from grams to percentage. 2-1-18 Change Subject to reflect the test procedure. 5-1-18
20NA225 CHEVROLET EXPRESS 2021 This technical bulletin provides a procedure to remove the tabs from the pre and post battery positive cables so they dont contact the Mega fuses moun
20NA078 CHEVROLET EXPRESS 2021 This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the cause of the customers concern.
20NA110 CHEVROLET EXPRESS 2021 This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.<br />
19NA037 CHEVROLET EXPRESS 2021 This technical bulletin provides repair information to correct a customer concern of no start, hard start with belt squeal, belt break, loss of power
18NA285 CHEVROLET EXPRESS 2021 This informational bulletin advises the tech of a possible normal condition when the vehicle creeps forward during start up conditions when the clutch
PIE0591A CHEVROLET EXPRESS 2021 This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed
PIE0591 CHEVROLET EXPRESS 2021 This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in reg
19NA237 CHEVROLET EXPRESS 2021 This informational bulletin explains how to identify possible DEF contamination.<br />
100605002I CHEVROLET EXPRESS 2021 This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message i
19NA233 CHEVROLET EXPRESS 2021 This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not.<br />
20NA110 CHEVROLET EXPRESS 2021 This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.<br />
16NA361 CHEVROLET EXPRESS 2021 This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its s

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