# Service bulletin 990601003

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: 605961
- Published by NHTSA: 1999\-08\-04
- Manufacturer's number: 990601003
- Manufacturer's date: 1999\-04\-01
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

## NHTSA's summary

CUSTOMER MAY COMMENT ON ENGINE KNOCKING NOISE. \*TT

## 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

## Vehicles listed

- 1999 CADILLAC ESCALADE
- 1996 to 1999 CHEVROLET C SERIES
- 1996 CHEVROLET G SERIES
- 1997 to 1999 CHEVROLET G SERIES
- 1996 to 1999 CHEVROLET K SERIES
- 1999 CHEVROLET P
- 1996 to 1998 CHEVROLET P SERIES
- 1996 to 1999 GMC C SERIES
- 1996 to 1999 GMC G SERIES
- 1996 to 1999 GMC K SERIES
- 1999 GMC P
- 1996 to 1998 GMC P SERIES

## 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
- [05\-00\-89\-072E](/bulletins/10209741.md), 2022-04-05, Service bulletin: ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.
- [PIP4404F](/bulletins/10114876.md), 2017-08-15, Service bulletin: ENGINE. This Preliminary Information communication provides information to the technician vehicles with a slight rough idle. Technician should compare the concern with a like vehicle. If the concern is worse than a like vehicle, technician should follow published Service Information diagnosis and repair as necessary.
- [040604088](/bulletins/10014959.md), 2005-05-13, Service bulletin: ENGINE AND ENGINE COOLING. REPLACEMENT OF CONNECTOR WHEN REPLACING FUEL TANK MODULE/FUEL PUMP MODULE. \*TT
- [3121](/bulletins/10010056.md), 2004-11-04, Service bulletin: ENGINE AND ENGINE COOLING. EXHAUST VIBRATION RESONANCE OR MOAN. \(2004\-2005 GMC DENALI\) \*SC
- [3121A](/bulletins/10009936.md), 2004-11-03, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. EXHAUST VIBRATION RESONANCE OR MOAN 99\-05 FULL SIZE TRUCKS AND UTILITY VEHICLES WITH GEN 3 V\-8 ENGINES. \*TC
- [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
- [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
- [99066D](/bulletins/628925.md), 2002-03-25, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME OWNERS MAY EXPERIENCE A SERVICE ENGINE SOON LIGHT, MISFIRE, ROUGH IDLE ORHARD START DUE TO A DEPOSIT BUILD\-UP ON THE SEQUENTIAL CENTRAL PORT FUEL INUJECTOR \(SCPI\) POPPET VALVE\(S\). \*TT
- [000604003A](/bulletins/628905.md), 2002-03-22, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CUSTOMERS MAY COMMENT ON ROUGH IDLE AFTER START UP, ESPECIALLY AFTER SETTING OVERNIGHT. \*TT

JSON: [/v1/bulletins/605961](/v1/bulletins/605961)

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