1991 GMC Light Duty Truck Maintenance Schedule Booklet. Original.
This booklet covers the maintenance required for your General Motors vehicle. Your vehicle needs these services to retain its safety, dependability, and emission control performance.
Contents:
Introduction
Section A - Scheduled Maintenance Services
Selecting Your Vehicle's Maintenance Services
Light Duty Emissions - Gasoline Engine
Heavy Duty Emissions - Gasoline Engines
6.2L Diesel Engine
Explanation of Scheduled Maintenance Services
Section B - Owner Checks and Services
At Least Once a Month
At Least Once a Year
Section C - Periodic Maintenance Inspections
Section D - Recommended Fluids & Lubricants
Section E - Maintenance Record
Section F - Service Station Checks
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