Mechanics

WHY DO THE ROCKER ARM BOLTS KEEP COMING LOOSE?

2000 Pontiac Bonneville

2000 pontiac bonneville that I changed the cylinder heads on and now the rocker arm bolts keep coming loose why is that? I have already tried lock tight
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Armandocampa
August 21, 2012.



The threads may be worn out. And the spring pressure from the valves make them do that. They may have come out hard ans trippedthe aluminum away

Hmac300
Aug 21, 2012.