# Service bulletin 020601028

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: 634683
- Published by NHTSA: 2002\-10\-04
- Manufacturer's number: 020601028
- Manufacturer's date: 2002\-08\-01
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

## NHTSA's summary

INFORMATION REGARDING ENGINE CRANKCASE FLUSH FOR 2003 AND PRIOR GM CARS AND TRUCKS AND ISUZU LIGHT AND MEDIUM DUTY TRUCKS WITH GASOLINE ENGINES. \*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

- 2003 AM GENERAL HUMMER
- 2003 BUICK BUICK
- 2003 CADILLAC CADILLAC
- 2003 CHEVROLET CHEVROLET
- 2003 GMC GMC TRUCK
- 2003 ISUZU ISUZU TRUCK
- 2003 OLDSMOBILE OLDSMOBILE

JSON: [/v1/bulletins/634683](/v1/bulletins/634683)

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