# Service bulletin 18NA103 A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned. - Type: Service bulletin - NHTSA id: 10183153 - Published by NHTSA: 2020\-11\-30 - Manufacturer's number: 18NA103 - Manufacturer's date: 2020\-10\-23 - NHTSA component: FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP ## NHTSA's summary 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 Malfunction Indicator Lamp \(MIL\) is illuminated. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10183153-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10183153-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Engine, Fuel system, Cooling system, Water pump ## Vehicles listed - 2021 CADILLAC ESCALADE NA - 2016 CHEVROLET 3500 - 2018 to 2019 CHEVROLET 3500 - 2020 CHEVROLET 3500 - 2018 CHEVROLET 4500HD - 2020 CHEVROLET 4500HD - 2018 CHEVROLET 5500HD - 2020 CHEVROLET 5500HD - 2012 CHEVROLET COLORADO - 2016 to 2018 CHEVROLET COLORADO - 2020 to 2021 CHEVROLET COLORADO - 2014 to 2015 CHEVROLET CRUZE - 2017 to 2019 CHEVROLET CRUZE - 2010 to 2014 CHEVROLET EXPRESS - 2016 to 2021 CHEVROLET EXPRESS - 2017 CHEVROLET LOW CAB FORWARD 4500 - 2017 CHEVROLET LOW CAB FORWARD 5500 - 2018 CHEVROLET LOW CAB FORWARD 6500 - 2020 to 2021 CHEVROLET MALIBU - 2010 to 2014 CHEVROLET SILVERADO 1500 - 2017 to 2021 CHEVROLET SILVERADO 1500 - 2010 to 2018 CHEVROLET SILVERADO 2500 - 2020 to 2021 CHEVROLET SILVERADO 2500 - 2017 CHEVROLET SILVERADO 3500 - 2021 CHEVROLET SILVERADO 3500 - 2019 to 2020 CHEVROLET SILVERADO 4500 - 2013 to 2017 CHEVROLET SUBURBAN - 2021 CHEVROLET SUBURBAN - 2010 CHEVROLET T SERIES - 2021 CHEVROLET TAHOE - 2010 CHEVROLET W\-SERIES - 2012 GMC CANYON - 2016 to 2021 GMC CANYON - 2010 GMC G VAN BUS - 2010 to 2021 GMC SAVANA - 2014 GMC SIERRA 1500 - 2019 to 2021 GMC SIERRA 1500 - 2010 to 2018 GMC SIERRA 2500 - 2020 to 2021 GMC SIERRA 2500 - 2010 to 2013 GMC SIERRA DENALI - 2015 to 2018 GMC SIERRA DENALI - 2010 GMC TOPKICK - 2010 GMC W\-SERIES - 2021 GMC YUKON - 2021 GMC YUKON XL ## Other bulletins for the same vehicles and component - [PIE0283](/bulletins/10252886.md), 2024-04-08, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. Engineering Information. - [22NA013](/bulletins/10212629.md), 2022-05-31, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. This technical bulletin provides a procedure for the technician to check and tighten the CAC plumbing if found loose. - [20NA166](/bulletins/10212560.md), 2022-05-31, Service bulletin: ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough. - [21NA237](/bulletins/10207914.md), 2022-02-14, Service bulletin: UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:COOLING SYSTEM. THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes. - [21NA257](/bulletins/10205577.md), 2021-12-27, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp \(MIL\) Illuminated \- DTC P3075 Set. - [21NA237](/bulletins/10205563.md), 2021-12-27, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes. - [PI1164B](/bulletins/10201124.md), 2021-09-07, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM; STRUCTURE:BODY:HOOD; POWER TRAIN. Reduced Engine Power with Service engine message displayed and DTC P2263 Set - [19NA007](/bulletins/10183165.md), 2020-11-30, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY; EQUIPMENT. This technical bulletin provides a procedure to replace the surge tank if found the cause of the customers concern. - [PIT5789](/bulletins/10182582.md), 2020-11-16, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP; ELECTRICAL SYSTEM:SOFTWARE. This Preliminary information communicates an issues with an SES MIL and DTC P2B87 setting. Engineering is working on releasing updated BCM cals to correct the concern. - [PIP5684B](/bulletins/10178370.md), 2020-08-10, Service bulletin: ENGINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT. This Preliminary information communicates the use of air leak diagnostic test tool CH\-52250 in addition to the information found in the service manual. JSON: [/v1/bulletins/10183153](/v1/bulletins/10183153) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2018NA103&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10183153&vehicle=Service%20bulletin%2018NA103)