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Major Oil Leak

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5150

15+ Year Contributor
167
2
Nov 21, 2004
Vacaville, California
Just rebuilt motor put it in and started it up, started right up ran for about 5 - 10 minutes then it sprung an oil leak and the timing belt shot it everywhere before i could figure out were it was coming from, pulled the timing cover off to try and see were it was but the tensioner went out. The only thing i do know is that it was coming from thr front of the motor around the oil pump area. If anyone has any suggestions of what it might be please let me know.
 
Check your front main seal and balance shaft seal. When I did my timing belt, my front main seal was pretty bad and leaking oil onto the timing belt.
 
This may sound stupid, but make sure your filter is on tightly. Mine some how got oil all over the engine bay and the floor before falling off completely.
 
guess i should of mentioned i replaced the main seal when i did the rebuild but i didn't change the balance shaft seal, and the filter is tight that was the first thing i checked.
 
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