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Service bulletin 17NA304

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10172777
Published by NHTSA2020-03-30
Manufacturer's number17NA304
Manufacturer's date2020-02-04
NHTSA componentFUEL SYSTEM, OTHER

NHTSA's summary

This technical bulletin provides a procedure to replace both fuel feed lines for a leak and/or noise coming from pulses in the fuel line.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system

Vehicles listed
BUICK ENCLAVE2016
CADILLAC ESCALADE2015, 2016, 2017, 2018, 2019, 2020
CADILLAC ESCALADE ESV2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV2017, 2018, 2019, 2020
CHEVROLET SUBURBAN2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET TAHOE2015, 2016, 2017, 2018, 2019, 2020
GMC YUKON2015, 2016, 2017, 2018, 2019, 2020
GMC YUKON XL2015, 2016, 2017, 2018, 2019

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
19V8370002019-11-21. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
25-NA-0652025-04-24. Service bulletin. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
24-NA-0432024-09-06. Service bulletin. This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last numbers when identifying flow rate.
05-06-04-022V2024-09-05. Service bulletin. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
20-NA-0382024-08-15. Service bulletin. This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.
16-NA-3832024-07-16. Service bulletin. This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
04-06-04-051I2024-07-16. Service bulletin. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
18-NA-3612024-05-28. Service bulletin. This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
PIP5596A2024-04-15. Service bulletin. This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
24-NA-0432024-03-15. Service bulletin. This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last numbers when identifying flow rate.
19-NA-0442024-02-21. Service bulletin. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.