Which of the following is a recommended action if a valve keep grooves are damaged?

Study for the Automotive Service Technician (310S) Engines Exam. Explore multiple choice questions with hints and explanations to prepare effectively for your exam! Get ready to excel in your automotive career!

Multiple Choice

Which of the following is a recommended action if a valve keep grooves are damaged?

Explanation:
Damaged valve keep grooves can't reliably hold the keepers, so the retainer could come loose and the valve could fail to seal or even cause valve and piston contact at high RPM. Reworking the stem or trying to use a valve with supposedly new grooves doesn’t guarantee proper retention or dimensions, and continuing to run with damaged grooves is unsafe. The correct course is to discard the valve and replace it with a serviceable one, inspecting and replacing related hardware as needed.

Damaged valve keep grooves can't reliably hold the keepers, so the retainer could come loose and the valve could fail to seal or even cause valve and piston contact at high RPM. Reworking the stem or trying to use a valve with supposedly new grooves doesn’t guarantee proper retention or dimensions, and continuing to run with damaged grooves is unsafe. The correct course is to discard the valve and replace it with a serviceable one, inspecting and replacing related hardware as needed.

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