Quote:
Originally Posted by marty351
Filling the oil without the sump plug.
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Could be worse. When my cousin was an apprentice mechanic, he sent a car out for a test drive. He had put the sump plug back in, oil cap back on, but forgot to put oil in it. So obviously the test driver said there was some top end noise. With oil in it it quietened down. Needless to say, the car came back a few weeks later knocking due to rod bearings.