# Service bulletin 776512

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.

- Type: Service bulletin
- NHTSA id: 52347
- Published by NHTSA: 1997\-07\-24
- Manufacturer's number: 776512
- Manufacturer's date: 1997\-04\-01
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

## NHTSA's summary

ENGINE ROUGH, MISS, AND OXYGEN SENSOR DTC'S \(REPLACE OXYGEN SENSOR JUMPER HARNESS\). \*TW

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Engine, Exhaust and emissions

## Vehicles listed

- 1996 to 1997 CHEVROLET BLAZER
- 1996 to 1997 GMC JIMMY
- 1996 to 1997 OLDSMOBILE BRAVADA

## Other bulletins for the same vehicles and component

- [130089009](/bulletins/10246631.md), 2023-12-11, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Expanded Availability for Remanufacture and Return \(R\&R\) Electronic Control Modules
- [PI0969](/bulletins/10139019.md), 2018-06-04, Service bulletin: ENGINE AND ENGINE COOLING; EQUIPMENT. This preliminary informational bulletin provides information on High Oil Pressure on Startup After Engine Replacement Concern.
- [01225](/bulletins/10007717.md), 2004-07-08, Service bulletin: ENGINE AND ENGINE COOLING. ENGINE COOLANT LEAK AT INTAKE GASKET. \* MJ
- [01727](/bulletins/10006363.md), 2004-04-30, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. 4.3 L35 LU3 RATTLE OR BUZZ NOISE FROM ENGINE. SIT BULLETIN 1457619. \*TT
- [030601024](/bulletins/10004371.md), 2003-12-04, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. RATTLE NOISE IN ENGINE. \*TT
- [030601024A](/bulletins/10004301.md), 2003-12-02, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. RATTLE NOISE IN ENGINE. \*TT
- [000604003B](/bulletins/10001298.md), 2003-04-28, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. ROUGH IDLE AFTER START, AND/OR A SERVICE ENGINE SOON \(SES\) LIGHT. VARIOUS MODELS INCLUDING THE 1995 CHEVROLET AND GMC S/T MODELS. \*TT
- [020605002](/bulletins/634729.md), 2002-10-07, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SOME CUSTOMERS MAY COMMENT ON AN EXHAUST BOOM / GROAN NOISE IN THE PASSENGER COMPARTMENT. \*TT
- [990602012D](/bulletins/634218.md), 2002-09-28, Service bulletin: ENGINE AND ENGINE COOLING. SUBJECT REGARDING RUST IN COOLING SYSTEM, HEATER INOPERATIVE, BLOWS COLD AIR, ENGINE OVERHEATS \(FLUSH COOLING SYSTEM\). NLM
- [000601023A](/bulletins/628938.md), 2002-03-25, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. INFORMATION USED WHEN DIAGNOSING NOISE CONDITIONS SUCH AS ENGINE RATTLE NOISE, SPARK KNOCK AT 2000 \- 2500 RPM RANGE, UNDER A MODERATE TO HEAVY LOAD WITH A WARMED UP ENGINE. \*TT

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