Automotive Systems

Formerly Automotive Systems I

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ENGINE ADJUSTMENT AND TESTING: Introduction

ENGINE ADJUSTMENT AND TESTING

LEARNING OBJECTIVE: Describe The techniques used in adjusting engine valves. Recognize basic engine testing procedures and required tools.

Proper and uniform valve adjustments are required for a smooth running engine. Unless the clearance between the valve stems and rocker arms or valve lifters is adjusted according to the manufacturer’s specifications, a valve does not open and close at the proper time, and engine performance is affected.

A good auto shop provides accurate and dependable testing equipment. But having the testing equipment in the shop is not enough. The supervisor and technicians must know how to use this equipment properly since it provides the quickest and surest means of determining what is wrong and where the fault lies.

Published by SweetHaven Publishing Services
Based upon a text provided by the U.S. Navy

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