Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
6th Edition
ISBN: 9780135257272
Author: James D. Halderman
Publisher: PEARSON
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Chapter 31, Problem 1CQ

In a normally operating engine, intake and exhaust valves are opened by a cam and closed by the _______.

  1. a. rocker arms or cam follower
  2. b. valve spring
  3. c. lifters (tappets)
  4. d. valve guide and/or pushrod
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