Buick Envision 2016–2021 — technical service bulletin

Bulletin PIP5803A · NHTSA communication 10193459 · issued Apr 19, 2021

Technical service bulletin

communication type

Equipment

component

2016–2021

model years

vehicle entries

Official summary

This Preliminary information communicates to technician's if they remove the front timing cover when performing a repair, they should inspect the timing chain guide upper bolt for being loose. This document is an attempt to collect parts so engineering can investigate the concern.

Vehicles covered

2016 Buick Envision
2017 Buick Envision
2018 Buick Envision
2019 Buick Envision
2020 Buick Envision
2021 Buick Envision
2016 Buick Regal
2017 Buick Regal
2016 Cadillac Ats
2017 Cadillac Ats
2018 Cadillac Ats
2016 Cadillac CT6
2017 Cadillac CT6
2018 Cadillac CT6
2016 Cadillac CTS
2017 Cadillac CTS
2018 Cadillac CTS
2019 Chevrolet Blazer
2020 Chevrolet Blazer
2021 Chevrolet Blazer
2016 Chevrolet Camaro
2017 Chevrolet Camaro
2018 Chevrolet Camaro
2019 Chevrolet Camaro
2020 Chevrolet Camaro
2021 Chevrolet Camaro
2016 Chevrolet Colorado
2017 Chevrolet Colorado
2018 Chevrolet Colorado
2019 Chevrolet Colorado
2020 Chevrolet Colorado
2021 Chevrolet Colorado
2018 Chevrolet Equinox
2019 Chevrolet Equinox
2020 Chevrolet Equinox
2021 Chevrolet Equinox
2016 Chevrolet Impala
2017 Chevrolet Impala
2018 Chevrolet Impala
2016 Chevrolet Malibu
2017 Chevrolet Malibu
2018 Chevrolet Malibu
2019 Chevrolet Malibu
2020 Chevrolet Malibu
2021 Chevrolet Malibu
2018 Chevrolet Traverse
2019 Chevrolet Traverse
2017 GMC Acadia
2018 GMC Acadia
2019 GMC Acadia
2020 GMC Acadia
2021 GMC Acadia
2016 GMC Canyon
2017 GMC Canyon
2018 GMC Canyon
2019 GMC Canyon
2020 GMC Canyon
2021 GMC Canyon
2018 GMC Terrain
2019 GMC Terrain

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.