CHEVROLET B6 1989: VEHICLE SPEED CONTROL

General Information

NHTSA Campaign ID Number: 92V187000

Make Model Year
CHEVROLET B6 1989
Date Owners Notified Date Received by ODI Date Added to Database
1993-01-29 1992-12-28 1992-12-30

Production Dates: 1985-08-01 - 1989-11-01

Manufacturers Involved: General Motors, LLC

Component: VEHICLE SPEED CONTROL

Potential Number Of Units Affected: 6656

Report Initiator: MFR MFR Report

Summary

A MANUFACTURING CONDITION IN THE THROTTLE BODY INJECTOR "TBI" UNIT MIGHT OCCUR TO ALLOW THE THROTTLE CAM LEVER TO DISENGAGE FROM THE THROTTLE DRIVE SHAFT.

Consequence

IF THE THROTTLE CAM LEVER DISENGAGES FROM THE THROTTLEDRIVE SHAFT, THE ENGINE COULD GO TO WIDE OPEN THROTTLE WITHOUT PRIOR WARNING.THIS LOSS OF VEHICLE ACCELERATOR CONTROL COULD RESULT IN A VEHICLE CRASH.

Remedy

REPLACE THE THROTTLE DRIVE COVER ASSEMBLY.

Notes

SYSTEM: FUEL SYSTEM; THROTTLE LINKAGE.VEHICLE DESCRIPTION: SCHOOL BUSES WITH 6.0 LITER ENGINES.