# Service bulletin 866504

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: 609635
- Published by NHTSA: 2000\-04\-05
- Manufacturer's number: 866504
- Manufacturer's date: 1998\-08\-01
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

## NHTSA's summary

ENGINE EXHIBITS A HIGH IDLE OR FLARE WHEN SHIFTING GEARS OR DISENGAGING THE CLUTCH SUCH AS WHEN SLOWING DOWN OR STOPPING.

## 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

- 1996 to 1997 CHEVROLET S SERIES
- 1996 CHEVROLET T SERIES
- 1997 CHEVROLET T SERIES
- 1996 to 1997 GMC S SERIES
- 1996 GMC T SERIES
- 1997 GMC T SERIES

## Other bulletins for the same vehicles and component

- [020604060](/bulletins/10000739.md), 2003-03-28, Service bulletin: ENGINE AND ENGINE COOLING. AUTOMATIC ENGINE SHUTDOWN FEATURE. \*TT
- [020603002](/bulletins/631668.md), 2002-06-10, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL. CUSTOMERS MAY COMPLAIN THAT THE ENGINE WILL NOT START. \*JG
- [020603002](/bulletins/631256.md), 2002-05-21, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL. CUSTOMERS MAY COMPLAIN THAT THE ENGINE WILL NOT START. \*SLC
- [020604006](/bulletins/629484.md), 2002-04-02, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CUSTOMERS MAY COMMENT ON SERVICE ENGINE SOON LAMP ON, MALFUNCTION INDICATOR LAMP ILLUMINATIONS INTERMITTENTLY, DIAGNOSTIC TROUBLE CODE SET, BLOWN FUSES, AND ENGINE WILL NOT START. \*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
- [000604014](/bulletins/6091427.md), 2000-10-11, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CUSTOMERS MAY COMMENT ON HARD, NO, OR SLOW START, BACKFIRE OR KICKBACK DURING CRANK / START, GRINDING OR UNUSUAL NOISES DURING CRANK, DIAGNOSTIC TROUBLE CODE P0338. \*TT
- [99066B](/bulletins/613602.md), 2000-07-25, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME OWNERS MAY EXPERIENCE A SERVICE ENGINE SOON LIGHT, MISFIRE, ROUGH IDLE OR HARD START. \*\*MR
- [99078](/bulletins/609695.md), 2000-04-06, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CERTAIN VEHICLES EQUIPPED WITH DIESEL ENGINES MAY EXHIBIT ENGINE AIR INDUCTION CONTAMINATION. \*TT

JSON: [/v1/bulletins/609635](/v1/bulletins/609635)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20866504&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F609635&vehicle=Service%20bulletin%20866504)