C 3500 Truck 2WD V8-454 7.4L (1990)
Idle Speed: Technical Service Bulletins
Fuel System - Controlled Idle Speed Updated Chart
Number:
90-2O6-6C
Section:
6C
Date:
April 1990
Corporate Bulletin:
036504
Subject:
CONTROLLED IDLE SPEED UPDATED CHART
Model and Year:
1990 ALL TRUCKS (EXCEPT TRACKER)
TO:
ALL CHEVROLET DEALERS
This bulletin updates the chart shown on Page 4-43 in the Fuel Control Section of the 1990 Shop Manual. This information is for all 1990 Light-duty
trucks (except Tracker) with gas engines.
