Questions tagged [general-concept]

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Understanding "torque-to-yield" concept

Can you help me understand the general "torque-to-yield" concept, which is often used for head bolts. In the case of my Tacoma, the head bolts are specified to be torqued to a spec of 27 ft/...
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2 answers
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What keeps valve stem seals from dislodging from valve guides?

A valve stem seal, which prevents oil from the camshaft case from penetrating into the combustion chamber, is mounted on its valve guide simply by fitting it on with tension. Yet it endures probably ...
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-1 votes
3 answers
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Can pistons ever be extracted from underneath?

This is a very high level, conceptual question: it seems to me like every engine is designed so that pistons are extracted from the top, which requires removing cylinder heads, a huuuge pain in the ...
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