TSB: BUICK CRUZE, ENCORE, ENCORE GX, EQUINOX, MALIBU, SPARK, SPARK EV, TERRAIN, TRAX, VOLT (2016–2021)

Bulletin 19NA080 — April 16, 2019

Bulletin Details

Bulletin ID19NA080
ManufacturerBUICK
ModelsCRUZE, ENCORE, ENCORE GX, EQUINOX, MALIBU, SPARK, SPARK EV, TERRAIN, TRAX, VOLT
Model Years2016–2021
Date IssuedApril 16, 2019
Date Added to NHTSANovember 30, 2020
ComponentENGINE (PWS)
Vehicles Affected163 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

This informational bulletin provides information to the tech to discard the PCV drain tube when working on the lower area of the engine.

Affected Vehicles

MakeModelYearComponent
BUICK ENCORE 2021 350000 EQUIPMENT
BUICK ENCORE 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY
BUICK ENCORE 2021 060000 ENGINE (PWS)
BUICK ENCORE GX 2021 350000 EQUIPMENT
BUICK ENCORE GX 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY
BUICK ENCORE GX 2021 060000 ENGINE (PWS)
CHEVROLET EQUINOX 2021 350000 EQUIPMENT
CHEVROLET EQUINOX 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EQUINOX 2021 060000 ENGINE (PWS)
CHEVROLET MALIBU 2021 350000 EQUIPMENT
CHEVROLET MALIBU 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET MALIBU 2021 060000 ENGINE (PWS)
CHEVROLET SPARK 2021 350000 EQUIPMENT
CHEVROLET SPARK 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET SPARK 2021 060000 ENGINE (PWS)
GMC TERRAIN 2021 350000 EQUIPMENT
GMC TERRAIN 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC TERRAIN 2021 060000 ENGINE (PWS)
CHEVROLET TRAX 2021 350000 EQUIPMENT
CHEVROLET TRAX 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET TRAX 2021 060000 ENGINE (PWS)
BUICK ENCORE 2020 350000 EQUIPMENT
BUICK ENCORE 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
BUICK ENCORE 2020 060000 ENGINE (PWS)
CHEVROLET EQUINOX 2020 350000 EQUIPMENT
CHEVROLET EQUINOX 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EQUINOX 2020 060000 ENGINE (PWS)
CHEVROLET MALIBU 2020 350000 EQUIPMENT
CHEVROLET MALIBU 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET MALIBU 2020 060000 ENGINE (PWS)
CHEVROLET SPARK 2020 350000 EQUIPMENT
CHEVROLET SPARK 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET SPARK 2020 060000 ENGINE (PWS)
GMC TERRAIN 2020 350000 EQUIPMENT
GMC TERRAIN 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC TERRAIN 2020 060000 ENGINE (PWS)
CHEVROLET TRAX 2020 350000 EQUIPMENT
CHEVROLET TRAX 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET TRAX 2020 060000 ENGINE (PWS)
CHEVROLET CRUZE 2019 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
CHEVROLET CRUZE 2019 350000 EQUIPMENT
CHEVROLET CRUZE 2019 350000 EQUIPMENT
CHEVROLET CRUZE 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET CRUZE 2019 060000 ENGINE (PWS)
BUICK ENCORE 2019 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
BUICK ENCORE 2019 350000 EQUIPMENT
BUICK ENCORE 2019 350000 EQUIPMENT
BUICK ENCORE 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
BUICK ENCORE 2019 060000 ENGINE (PWS)
CHEVROLET EQUINOX 2019 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
CHEVROLET EQUINOX 2019 350000 EQUIPMENT
CHEVROLET EQUINOX 2019 350000 EQUIPMENT
CHEVROLET EQUINOX 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EQUINOX 2019 060000 ENGINE (PWS)
CHEVROLET MALIBU 2019 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
CHEVROLET MALIBU 2019 350000 EQUIPMENT
CHEVROLET MALIBU 2019 350000 EQUIPMENT
CHEVROLET MALIBU 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET MALIBU 2019 060000 ENGINE (PWS)
CHEVROLET SPARK 2019 350000 EQUIPMENT
CHEVROLET SPARK 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET SPARK 2019 060000 ENGINE (PWS)
GMC TERRAIN 2019 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
GMC TERRAIN 2019 350000 EQUIPMENT
GMC TERRAIN 2019 350000 EQUIPMENT
GMC TERRAIN 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC TERRAIN 2019 060000 ENGINE (PWS)
CHEVROLET TRAX 2019 350000 EQUIPMENT
CHEVROLET TRAX 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET TRAX 2019 060000 ENGINE (PWS)
CHEVROLET VOLT 2019 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
CHEVROLET VOLT 2019 350000 EQUIPMENT
CHEVROLET VOLT 2019 350000 EQUIPMENT
CHEVROLET VOLT 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET VOLT 2019 060000 ENGINE (PWS)
CHEVROLET CRUZE 2018 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
CHEVROLET CRUZE 2018 350000 EQUIPMENT
CHEVROLET CRUZE 2018 350000 EQUIPMENT
CHEVROLET CRUZE 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET CRUZE 2018 060000 ENGINE (PWS)
BUICK ENCORE 2018 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
BUICK ENCORE 2018 350000 EQUIPMENT
BUICK ENCORE 2018 350000 EQUIPMENT
BUICK ENCORE 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
BUICK ENCORE 2018 060000 ENGINE (PWS)
CHEVROLET EQUINOX 2018 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
CHEVROLET EQUINOX 2018 350000 EQUIPMENT
CHEVROLET EQUINOX 2018 350000 EQUIPMENT
CHEVROLET EQUINOX 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EQUINOX 2018 060000 ENGINE (PWS)
CHEVROLET MALIBU 2018 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
CHEVROLET MALIBU 2018 350000 EQUIPMENT
CHEVROLET MALIBU 2018 350000 EQUIPMENT
CHEVROLET MALIBU 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET MALIBU 2018 060000 ENGINE (PWS)
CHEVROLET SPARK 2018 350000 EQUIPMENT
CHEVROLET SPARK 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET SPARK 2018 060000 ENGINE (PWS)
GMC TERRAIN 2018 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
GMC TERRAIN 2018 350000 EQUIPMENT
GMC TERRAIN 2018 350000 EQUIPMENT
GMC TERRAIN 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC TERRAIN 2018 060000 ENGINE (PWS)
CHEVROLET VOLT 2018 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
CHEVROLET VOLT 2018 350000 EQUIPMENT
CHEVROLET VOLT 2018 350000 EQUIPMENT
CHEVROLET VOLT 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET VOLT 2018 060000 ENGINE (PWS)
CHEVROLET CRUZE 2017 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
CHEVROLET CRUZE 2017 350000 EQUIPMENT
CHEVROLET CRUZE 2017 350000 EQUIPMENT
CHEVROLET CRUZE 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET CRUZE 2017 060000 ENGINE (PWS)
BUICK ENCORE 2017 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
BUICK ENCORE 2017 350000 EQUIPMENT
BUICK ENCORE 2017 350000 EQUIPMENT
BUICK ENCORE 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY
BUICK ENCORE 2017 060000 ENGINE (PWS)
CHEVROLET MALIBU 2017 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
CHEVROLET MALIBU 2017 350000 EQUIPMENT
CHEVROLET MALIBU 2017 350000 EQUIPMENT
CHEVROLET MALIBU 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET MALIBU 2017 060000 ENGINE (PWS)
CHEVROLET SPARK 2017 350000 EQUIPMENT
CHEVROLET SPARK 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET SPARK 2017 060000 ENGINE (PWS)
CHEVROLET SPARK EV 2017 350000 EQUIPMENT
CHEVROLET SPARK EV 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET SPARK EV 2017 060000 ENGINE (PWS)
CHEVROLET VOLT 2017 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
CHEVROLET VOLT 2017 350000 EQUIPMENT
CHEVROLET VOLT 2017 350000 EQUIPMENT
CHEVROLET VOLT 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET VOLT 2017 060000 ENGINE (PWS)
CHEVROLET CRUZE 2016 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
CHEVROLET CRUZE 2016 350000 EQUIPMENT
CHEVROLET CRUZE 2016 350000 EQUIPMENT
CHEVROLET CRUZE 2016 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET CRUZE 2016 060000 ENGINE (PWS)
BUICK ENCORE 2016 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
BUICK ENCORE 2016 350000 EQUIPMENT
BUICK ENCORE 2016 350000 EQUIPMENT
BUICK ENCORE 2016 356000 EQUIPMENT ADAPTIVE/MOBILITY
BUICK ENCORE 2016 060000 ENGINE (PWS)
CHEVROLET MALIBU 2016 350000 EQUIPMENT
CHEVROLET MALIBU 2016 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET MALIBU 2016 060000 ENGINE (PWS)
CHEVROLET SPARK 2016 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
CHEVROLET SPARK 2016 350000 EQUIPMENT
CHEVROLET SPARK 2016 350000 EQUIPMENT
CHEVROLET SPARK 2016 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET SPARK 2016 060000 ENGINE (PWS)
CHEVROLET SPARK EV 2016 350000 EQUIPMENT
CHEVROLET SPARK EV 2016 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET SPARK EV 2016 060000 ENGINE (PWS)
CHEVROLET VOLT 2016 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
CHEVROLET VOLT 2016 350000 EQUIPMENT
CHEVROLET VOLT 2016 350000 EQUIPMENT
CHEVROLET VOLT 2016 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET VOLT 2016 060000 ENGINE (PWS)

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What Should You Do?

If your vehicle is affected by this TSB, contact your authorized BUICK dealer. Bring this bulletin ID (19NA080) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.