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Service bulletin DORM9T7N09

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 id10165331
Published by NHTSA2019-09-23
Manufacturer's numberDORM9T7N09
Manufacturer's date2019-07-03
NHTSA componentEQUIPMENT; FUEL SYSTEM, GASOLINE

NHTSA's summary

This SKU is a Preformed Fuel Line. The customer communication requested return of unsold inventory to inspect for damage to the braided hose and crimps. Damaged braided hoses and poor crimps can lead to immediate leaking. This issue manifests immediately if present, so would drive replacement and therefore impact the end user in time to complete installation.

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

Equipment and accessories, Fuel system

Vehicles listed
CHEVROLET SILVERADO 15001999, 2000, 2001, 2002, 2003 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25001999, 2000 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002002, 2003 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15001999, 2000, 2001, 2002, 2003 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25001999, 2000, 2001, 2002, 2003 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
04V5620002004-11-26. EQUIPMENT ADAPTIVE/MOBILITY
20032922003-11-21. Fuel System
03V4350002003-11-03. FUEL SYSTEM, OTHER:DELIVERY
01V1250002001-04-10. EQUIPMENT:OTHER:LABELS

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
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.
PIT53532024-04-01. Service bulletin. XM Audio Traffic And Travel Link Availability And Operation.
1406040052024-02-12. Service bulletin. Duramax® Diesel Glow Plugs Difficult to Install Due to Carbon Buildup - New Glow Plug Bore Reamer Available
PIP5601B2024-02-12. Service bulletin. This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.
18-NA-0992024-02-02. Service bulletin. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
Recalls2024-01-08. Service bulletin. Vehicle Recalls
PIT4864F2023-12-26. Service bulletin. Information On Requests To Add OnStar Bluetooth Option.
23-NA-2192023-12-21. Service bulletin. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
PIC5588B2023-12-11. Service bulletin. Programming And Activation Of Replacement OnStar Modules.
PIC5588A2023-12-11. Service bulletin. Programming And Activation Of Replacement OnStar Modules.