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420A Nasty Oil Leak Need Help FIguring Out What it could be?

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2GEffect6

10+ Year Contributor
180
0
Jul 21, 2011
Alliance, Ohio
I have a nasty oil leak and I dont know where its coming from all I know is that theres oil on top of the alternator and its on the back passenger side of the engine. I have some pictures of where its at so any idea where this could be coming from? its a terrible leak and im losing about a quart a week I have to keep refilling so it needs fixed fast.

http://s1177.photobucket.com/albums/x359/RMB6/?action=view&current=100_1632.jpg

http://s1177.photobucket.com/albums...s/x359/RMB6/?action=view&current=100_1630.jpg
 
Last edited by a moderator:
It's hard to tell from the pictures. Have you looked to make sure it's not leaking out of the valve cover seal or something?
 
Valve cover gasket leaking possibly, like the post above me stated.
Crack in the block maybe, any knocking noise? When you drive the car, and stop, do you notice any oil pooling under the car? Does your exhaust smell oily or, blow blue smoke? How about your coolant, milkshake like?
 
Valve cover gasket leaking possibly, like the post above me stated.
Crack in the block maybe, any knocking noise? When you drive the car, and stop, do you notice any oil pooling under the car? Does your exhaust smell oily or, blow blue smoke? How about your coolant, milkshake like?


no coolant is fine and it only spits smoke on the start up but I already know its from the valve seal that wasnt properly installed when my head was rebuilt but could it be that bad of a leak from the valve cover? its leaking like crazy

I'm thinking either Oil Pressure sensor or leaky valve cover. Those two things would put oil in that general area on a 420a.



could it be a cam seal? where is the oil pressure sensor located?
 
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