TSB 776001 — Chevrolet Service bulletin
776001 is a service bulletin on file with NHTSA for the Chevrolet S10, 1994–1995 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. KNOCK, RATTLE OR TAP NOISE FROM THE ENGINE BEFORE THE ENGINE HAS REACHED OPERATING TEMPERATURE OR UNDER LIGHT LOAD CONDITIONS AT OPERATING TEMPERATURE KNOCK, RATTLE OR TAP NOISE FROM THE ENGINE BEFORE THE ENGINE HAS REACHED OPERATING TEMPERATURE OR UNDER LIGHT LOAD CONDITIONS AT…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 776001 names
| Vehicle | Model years |
|---|---|
| Chevrolet S10 | 1994, 1995 |
Every document filed under 776001
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| 776001 | July 1, 1997 | Service bulletin |
| 776001 | March 1, 1997 | Service bulletin |
What 776001 covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 776001?
776001 is a service bulletin filed with NHTSA by Chevrolet, covering the Chevrolet S10 across the 1994–1995 model years. NHTSA's summary reads: KNOCK, RATTLE OR TAP NOISE FROM THE ENGINE BEFORE THE ENGINE HAS REACHED OPERATING TEMPERATURE OR UNDER LIGHT LOAD CONDITIONS AT OPERATING TEMPERATURE KNOCK, RATTLE OR TAP NOISE FROM THE ENGINE BEFORE THE ENGINE HAS REACHED OPERATING TEMPERATURE OR UNDER LIGHT LOAD CONDITIONS AT…
Which vehicles does 776001 cover?
NHTSA's file names Chevrolet S10 (1994–1995). 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 776001 a recall, and is the repair free?
No. 776001 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 776001?
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 776001, 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 776001. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.