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roger.clark2 roger.clark2
wrote...
Posts: 25
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7 years ago
Technician A says that umbrella valve seals are installed in their operating position during cylinder head assembly.  Technician B says that positive valve seals are positioned by the valve.  Who is right?
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wrote...
Valued Member
10 months ago
Technician A is correct. Umbrella valve seals are installed in their operating position during cylinder head assembly. Positive valve seals are positioned by the valve stem.

 I hope this helps! Let me know if you have any other questions.
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