1988 GMC Light Duty Truck Maintenance Schedule Booklet. Original.

This booklet covers the maintenance required by your General Motors vehicle. It is essential that your vehicle receive this maintenance to retain the safety, dependability and emission control performance originally built into your vehicle.
Maintenance service should be done by your authorized General Motors Truck Dealer or any other qualified automotive service or repair establishment which is able to provide such services and which can be relied upon to use proper parts and practices.
In addition to the in-shop type services detailed in the schedule, this folder also includes owner inspections and services which you or a qualified technician should perform periodically.

Contents:

Selecting Your Vehicles Maintenance

Determining Vehicle Emissions Classification
Selecting the Proper Maintenance Chart
Selecting the Proper Maintenance Schedule

Section A - Scheduled Maintenance Services

Light Duty Emissions - Gasoline Engines
Heavy Duty Emissions - Gasoline Engines
6.2L Diesel

Section B - Explanation of Scheduled Maintenance Service
Section C - Owner Inspections and Services
Section D - Maintenance Record
Section E - Recommended Fluids and Lubricants