bugs in motor
Wasps in Hotlanta tried to nest in my mailbox. We battled for a week. I tore the nest out 3 times, they rebuilt within 24 hours. I squirted them with hydrogen peroxide, they rolled on the ground, and were back the next day. I tore out the nest and smeared petroleum grease on the spot. They never returned.
I seriously doubt dirt daubers nested inside an oily motor; but if they got inside the breather, the dirt may have gotten in the motor at startup, and fried it that way. But who knows? I've seen crazier things as a mechanic. As for stopping up all the drainholes in the head, again, very unlikely. Lotta dirt. But look at the pyramids. A family of daubers can fill a lot of space in a short time. I just don't see them liking the inside of an oily motor; but I guess if it sat long enough, those would be the least oily spots in the head...
But then we're back to how did they get in? air cleaner left open? mice chewing holes?
I left my 1993 Nissan minivan in Atlanta for years at a time at my mom's house when I live in Hawai'i. It always started right up, no questions.
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