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PostPosted: Thu Dec 10, 2009 7:04 pm 
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Joined: Sat Oct 18, 2008 5:31 pm
Posts: 7
Location: Minneapolis, MN
O.K. I have an oil leak from the crank sensor, but there's no gasket on it. Is there a seal or something else furrther inside that's leaking?


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PostPosted: Thu Dec 10, 2009 7:58 pm 
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Joined: Thu Jul 20, 2006 7:17 pm
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Location: Alberta, Canada
its most often the front crankshaft seal if you see oil in that area. Often mistaken for oil pan leak as well. I would recomend starting with the crank seal first, its by far the most likely culprit.

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PostPosted: Thu Dec 10, 2009 10:08 pm 
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Joined: Tue Oct 03, 2006 10:43 pm
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Location: Texas 75150
I had what looked like a leaking crank sensor. It was the cam shaft front seal. While I was there I replaced the crank seal as well. After removing both seals the old crankshaft seal was still in good shape, but the cam shaft seal was as hard as a rock and had radial cracks throught the lip of the seal. FYI, the thicker seal is for the cam shaft, if you use it on your crank shaft you will be resealing the crankshaft again, soon.

Been there, done it, got the t-shirt to prove it!

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PostPosted: Thu Dec 10, 2009 10:34 pm 
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Joined: Tue Apr 08, 2008 9:08 pm
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Location: Ashtabula, Ohio
The best way to find this leak is to remove the timing cover. Belt wet? Replace it to. Here is a guide for getting to the timing belt and seals......
http://geometroforum.com/topic/2232748/

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PostPosted: Tue Feb 15, 2011 9:53 pm 
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Joined: Thu Jan 20, 2011 3:15 am
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Location: United States
fainya wrote:
I had what looked like a leaking crank position sensor. It was the cam shaft front seal. While I was there I replaced the crank seal as well. After removing both seals the old crankshaft seal was still in good shape, but the cam shaft seal was as hard as a rock and had radial cracks throught the lip of the seal. FYI, the thicker seal is for the cam shaft, if you use it on your crank shaft you will be resealing the crankshaft again, soon.

Been there, done it, got the t-shirt to prove it!


This leaking issue is quite intriguing. Well, I had a friend who is having a similar leak on his car. It was just the other day while my friend is doing a maintenance, he noticed some leak on his crank sensor. He thought that the sensors are leaking which is kinda confusing to look at. But having read your post, we never thought the crank seal would be a possible cause of the leak. Anyway, I'm gonna let my friend know about this so he could check out the seal before the leak becomes a bigger problem. Thanks for sharing this info. :idea:


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PostPosted: Mon Feb 28, 2011 4:02 pm 
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Joined: Sat Oct 18, 2008 5:31 pm
Posts: 7
Location: Minneapolis, MN
Thanks for all the help! It was the crank seal so i replaced the timing belt, tensioner, crank and cam seals and water pump.


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