# Service bulletin 191000

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: 617654
- Published by NHTSA: 2001\-03\-22
- Manufacturer's number: 191000
- Manufacturer's date: 2000\-10\-19
- NHTSA component: STRUCTURE:FRAME AND MEMBERS

## NHTSA's summary

THIS ISSUE INVOLVES THE VISIBLE NATURE OF THE FRAME RAIL INNER EDGES ON 1999 THROUGH 2001 MEDIUM\-DUTY CONVENTIONAL CAB, TILT CABS, AND SCHOOL BUS VEHICLES. THESE FRAME RAILS INDICATE THAT THERE IS A TEARING EFFECT AT THE FRAME RAIL FLANGE EDGE CAUSED BY THE STRENGTH OF THE 80,000 PSI FRAME MATERIAL AND THE GAP OR DISTANCE BETWEEN THE CUTTING BLADE AND THE STATIONARY BLADE IN THE SHEERING PROCESS. \*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

Body and frame

## Vehicles listed

- CHEVROLET CONVENTIONAL
- 1999 to 2001 CHEVROLET CONVENTIONAL
- CHEVROLET SCHOOL BUS SERIES
- GMC CONVENTIONAL
- 1999 to 2001 GMC CONVENTIONAL
- GMC SCHOOL BUS SERIES

JSON: [/v1/bulletins/617654](/v1/bulletins/617654)

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