fluid leak 351w
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Junior User
Joined: Nov 2004
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fluid leak 351w
i have this leak I can not figure where it is coming from . I have a 351w that is in a 87 bronco. ther leak apears to be from the front right of the motor. I thought it was the valve cover gasket so I replaced it. but the leak is still there. so my next thought was it is the power stering fluid. I cant find out where it is coming from but the power stearing res always has stuff on it. I looked at the leavel and it was a little high so I took some out but there is still the fluid on the it and it gets on the motor and burns. I ran the motor and I cant see any oil leaking from the valve cover. So I have no clue can some one give me some other things to check. thanks
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Junior User
Joined: Nov 2004
Posts: 99
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i think its comeing from the front center right by the intake man and its spraying on to the power stearing res. the wierd thing is I put a qt of oil in it and forgot to put the cap back on and it didnt do it. I repaced the cap and it did it. I have no clue wher it is really coming from. I can sit there and rev the motor up and no leak it only does it when I drive it.
Senior User
Joined: Sep 2003
Posts: 132
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From: N.W. OHIO
My vote is for the intake, I've had several small blocks over the years and that seems to the most problematic area I've seen. Also make sure the valve covers and oil pan are tight,I don't know about anyone else but I've noticed that they can tend to loosen up. 
