Cause | Correction | ||||||||||||
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Low oil pressure |
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Loose and/or worn valve rocker arm attachments |
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Worn valve rocker arm | Replace the valve rocker arm. | ||||||||||||
Bent or damaged push rod | Inspect the following components, and replace as required:
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Improper lubrication to the valve rocker arms | Inspect the following components, and repair or replace as required:
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Broken valve spring | Replace the valve spring. | ||||||||||||
Worn and/or damaged valve rotators | Replace the valve rotators as required. | ||||||||||||
Worn or dirty valve lifters | Replace the valve lifters. | ||||||||||||
Stretched or broken timing chain and/or damaged sprocket teeth | Replace the timing chain and sprockets. | ||||||||||||
Worn timing chain tensioner if applicable | Replace the timing chain tensioners as required. | ||||||||||||
Worn engine camshaft lobes |
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Damaged, broken, or dirty, balance shaft sprocket teeth if applicable | Inspect the following components, and repair as required:
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Worn valve guides or valve stems | Inspect the following components, and repair as required:
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Stuck Valves Carbon on the valve stem or valve seat may cause the valve to stay open | Inspect the following components, and repair as required:
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