Quote:
Originally Posted by rich_mane
Well I'm fairly positive it's a rod bearing problem.
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Let's hope for your sake that it's not... if you can turn an engine over by hand then there is no reason it wont turn over with the starter. The "hard spots" are probably the peaks of the cam lobes that youre feeling push valves open.
Keep us updated. I've changed my ofhg so many times without issue it's just hard to believe. I did n oil cha ge yesterday and noted that the oil stays pooled in the housing and does not drain back to the pan. The oil pump holds oil. Changing oil/ gasket does not bleed an oil pump dry. The other issue I have with this air pocket theory is that how would the car not see the loss of oil pressure? The oil pressure sensor is literally right there on the ofh. The dome would've thrown a low oil pressure code and out you into limp mode.
The ofhg job does seem to be a common denominator in leading to bearing failure.