TSB 776513 — Chevrolet Service bulletin

776513 is a service bulletin on file with NHTSA for the Chevrolet Impala, 1994–1995 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. WATER IN AIR PUMP AND/OR DTC P0410, P0412, P1415, P1416, P0100, P0101, P0102 AND DTC 48 (INSTALL AIR PUMP SERVICE KIT).

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
1Vehicle named
2Model years

Vehicles and model years 776513 names

VehicleModel years
Chevrolet Impala 1994, 1995

Every document filed under 776513

Document IDFiledType
776513 April 1, 1997 Service bulletin

What 776513 covers

Engine — the component vocabulary NHTSA files this communication under.

← All Chevrolet Impala TSB years TSB lookup by model

Questions buyers ask

What is TSB 776513?

776513 is a service bulletin filed with NHTSA by Chevrolet, covering the Chevrolet Impala across the 1994–1995 model years. NHTSA's summary reads: WATER IN AIR PUMP AND/OR DTC P0410, P0412, P1415, P1416, P0100, P0101, P0102 AND DTC 48 (INSTALL AIR PUMP SERVICE KIT).

Which vehicles does 776513 cover?

NHTSA's file names Chevrolet Impala (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 776513 a recall, and is the repair free?

No. 776513 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 776513?

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 776513, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

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 776513. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.