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02-19-2012, 08:26 PM
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#1 |
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Registered User
Join Date: Jan 2012
Location: grand forks, nd
Posts: 9
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front crank seal leaking 350crate
Has anyone ever dealt with a front crank seal leaking on a gm 350 crate motor i have done lots of research on it and am completely stumped, here is what i am working with, 350 crate motor normal breathers, pcv all hooked up, is it possible the blow by from a new motor is making this happen and it will go away? thanks in advance
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02-19-2012, 08:30 PM
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#2 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,313
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Re: front crank seal leaking 350crate
if a crank seal is leaking its got nothing to do with anything but bad rubber in the seal..prolly assembled wrong it needs to be taken apart and the seal replaced
__________________
Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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02-19-2012, 08:34 PM
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#3 |
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Registered User
Join Date: Jan 2012
Location: grand forks, nd
Posts: 9
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Re: front crank seal leaking 350crate
sorry forgot to mention tried that twice now and polished the harmonic last time just in case...
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02-19-2012, 09:38 PM
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#4 |
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Registered User
Join Date: Feb 2011
Location: Cold Canada
Posts: 310
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Re: front crank seal leaking 350crate
maybe the harmonic is a bit too small hey at least its not the back crank seal!
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02-20-2012, 01:39 AM
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#5 |
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18 Till I Die
Join Date: Mar 2005
Location: Alberta, Canada
Posts: 1,522
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Re: front crank seal leaking 350crate
I have an 07 Duramax with a front seal leak and in the first year GM had replaces the front seal 3 times...I finally got fed up and took it to another dealer...The oil was actually coming from the crank bolt hole due to a Porous Crank...Just a thought.
__________________
2011 GMC Acadia 1969 GMC BBC LS7 2007 GMC Crew Duramax 1987 Camaro Iroc 350 Tuned Port Injection 42000Km 1987 Chevrolet Silverado 350 TBI 1987 Chevrolet Silverado 350 TBI(yes 2) Take me drunk, I'm too home... 
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02-20-2012, 01:47 AM
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#6 | |
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Registered User
Join Date: Jul 2009
Location: cleburne texas
Posts: 174
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Re: front crank seal leaking 350crate
Quote:
If its a true crate they sell it in longblock and you use youre old balancer old balancer may have a groove in it pull balancer use a repair sleeve and a new seal |
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02-20-2012, 09:36 AM
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#7 | |
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Registered User
Join Date: Jan 2012
Location: grand forks, nd
Posts: 9
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Re: front crank seal leaking 350crate
Quote:
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02-20-2012, 09:37 AM
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#8 | |
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Registered User
Join Date: Jan 2012
Location: grand forks, nd
Posts: 9
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Re: front crank seal leaking 350crate
Quote:
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