Description

This manual contains on-the-vehicle maintenance, light repair information, and unit replacement on all truck series listed on page iv. Overhaul procedures for major units will be published in separate “Unit Overhaul” manuals. Important information on the arrangement and use of this manual will be found on page v. Operation of the vehicles from the standpoint of the driver is contained in a separate Owner’s and Driver’s manual which is furnished with every new GMC Truck.

Every effort has been made to include timely and adequate information on the various units and systems used on GMC Trucks. The general maintenance and light repair procedures in the various manual sections are the result of extensive service experience. This information should serve not only as a reference for the experienced mechanical force, but also as a comprehensive text for training purposes.

In some cases, considerable space is devoted to describing the operation of a unit or system. The use of this space is justified by the presumption that in order for a mechanic to maintain a unit or system in a serviceable condition, he must first understand how the unit or system should function.

All information contained in this manual is based on the latest product information available at the time of publication approval. GMC Truck and Coach Division reserves the right to make changes in design or add improvements at any time without incurring any obligation to install same on vehicles previously purchased.

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