TSB DORM9T7N09 — Chevrolet and GMC Service bulletin
DORM9T7N09 is a service bulletin on file with NHTSA for 3 Chevrolet and GMC models, 1999 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. 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…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years DORM9T7N09 names
| Vehicle | Model years |
|---|---|
| Chevrolet Silverado 1500 | 1999 |
| Chevrolet Silverado 2500 | 1999 |
| GMC Sierra 1500 | 1999 |
Every document filed under DORM9T7N09
| Document ID | Filed | Type |
|---|---|---|
| DORM9T7N09 | July 3, 2019 | Service bulletin |
What DORM9T7N09 covers
Fuel system — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB DORM9T7N09?
DORM9T7N09 is a service bulletin filed with NHTSA by Chevrolet and GMC, covering 3 Chevrolet and GMC models across the 1999 model years. NHTSA's summary reads: 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…
Which vehicles does DORM9T7N09 cover?
NHTSA's file names Chevrolet Silverado 1500 (1999); Chevrolet Silverado 2500 (1999); GMC Sierra 1500 (1999). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB DORM9T7N09 a recall, and is the repair free?
No. DORM9T7N09 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of DORM9T7N09?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under DORM9T7N09, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under DORM9T7N09. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.