# Service bulletin 99078

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: 609695
- Published by NHTSA: 2000\-04\-06
- Manufacturer's number: 99078
- Manufacturer's date: 2000\-01\-01
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

## NHTSA's summary

CERTAIN VEHICLES EQUIPPED WITH DIESEL ENGINES MAY EXHIBIT ENGINE AIR INDUCTION CONTAMINATION. \*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

- 1997 to 1999 CHEVROLET T SERIES
- 1997 to 1999 GMC T SERIES

## Other bulletins for the same vehicles and component

- [030604014](/bulletins/10001114.md), 2003-04-15, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL. OIL PRESENT AROUND TURBO AREA, OIL LEVEL LOW, OIL PRESSURE GAUGE MAY DROP. \*TT
- [020604060](/bulletins/10000739.md), 2003-03-28, Service bulletin: ENGINE AND ENGINE COOLING. AUTOMATIC ENGINE SHUTDOWN FEATURE. \*TT
- [020601024](/bulletins/634798.md), 2002-10-09, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. ON CERTAIN VEHICLES, SUCH AS THE CHEVROLET AND GMC WT 5500 MEDIUM DUTY TILT CAB MODELS, THE ENGINES MAY EXPERIENCE ROCKER ARM DAMAGE OR ROCKER BRIDGE DAMAGE FOLLOWING OVERHAUL OF THE CYLINDER HEAD IF THE VALVE BRIDGE STUD INSTALLED DEPTH IS INCORRECT. \*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
- [010602011](/bulletins/627731.md), 2002-02-15, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. INFORMATION REGARDING CHEVROLET AND GMC 6\-7F MEDIUM DUTY TILT CAB MODELS WITH ISUZU DIESEL ENGINE, ENGINE OVERHEATS, TEMPERATURE GAUGE READS HOT, AUDIBLE WARNING ALARM SOUNDS, AND CHECK GAUGE LAMP ON. \*YH

JSON: [/v1/bulletins/609695](/v1/bulletins/609695)

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