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Briggs Intek Leaking Crankshaft Oil Seal #5329261 01/22/20 06:26 AM
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UncleNorby Offline OP
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I have a 20hp Briggs Intek engine that leaks at the shaft oil seal. I replaced it an seated the seal down to the inner shoulder, because that's where the old seal was. It began leaking again. I looked around on the internet and saw that the seal should not be seated that deep, so I replaced it again. This time I seated just below flush. I ran the engine a bit over the weekend, but noticed it leaking again last night. There is an oil re-circulation hole below the inner shoulder, so the seal was not interfering with that in either situation. Does anyone know what may be going on? I saw a product by Blue Devil that is supposed to fix leaky seals. Has anyone tried it? Thanks for any advice!

Re: Briggs Intek Leaking Crankshaft Oil Seal [Re: UncleNorby] #5329271 01/22/20 06:48 AM
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Eddie Offline
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Is the crankcase pressurizing because of the vent hose being plugged? Ed


2014 CX5 Touring 2.5L :-)
Re: Briggs Intek Leaking Crankshaft Oil Seal [Re: Eddie] #5329285 01/22/20 07:06 AM
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jeepman3071 Offline
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Originally Posted by Eddie
Is the crankcase pressurizing because of the vent hose being plugged? Ed



+1

Also these engines like to blow head gaskets, and it could be pressurizing the crankcase. Does it burn any oil?


1998 Jeep Wrangler Sahara 4.0L/5MT (156k) - PHM 10w30, Wix 51085
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Re: Briggs Intek Leaking Crankshaft Oil Seal [Re: Eddie] #5329289 01/22/20 07:12 AM
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supton Offline
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Originally Posted by Eddie
Is the crankcase pressurizing because of the vent hose being plugged? Ed

On a new-to-me snowblower I found it kept kicking out the seal under the flywheel. Some 179cc Briggs. After pushing the seal in a second time I poked around and found that the breather hose from engine to airbox didn't have a hole in the airbox. Like it was casting flash over the hole. I zipped in a hole and no more issues.


2011 Toyota Camry, base, 2.5L/6MT, 201k, hers
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Re: Briggs Intek Leaking Crankshaft Oil Seal [Re: UncleNorby] #5329319 01/22/20 08:15 AM
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edwardh1 Offline
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wonder who makes the airboxes- sounds like a manufacturing defect


These products are all new every year?? They are a revolution!!! Razor blades, mens shirts, TVs, wiper blades, gutter guards, hearing aids... according to the ads. But also all new last year
Re: Briggs Intek Leaking Crankshaft Oil Seal [Re: edwardh1] #5329437 01/22/20 10:56 AM
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SubieRubyRoo Offline
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Originally Posted by edwardh1
wonder who makes the airboxes- sounds like a manufacturing defect


Probably 5 letters long, starts with sea...


De omnibus dubitandum.
Re: Briggs Intek Leaking Crankshaft Oil Seal [Re: SubieRubyRoo] #5329611 01/22/20 02:41 PM
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Rand Offline
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Originally Posted by SubieRubyRoo
Originally Posted by edwardh1
wonder who makes the airboxes- sounds like a manufacturing defect


Probably 5 letters long, starts with sea...


did you mean 6 letters?


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Re: Briggs Intek Leaking Crankshaft Oil Seal [Re: UncleNorby] #5330179 01/23/20 10:08 AM
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UncleNorby Offline OP
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I will check the vent hose. Thanks!

Re: Briggs Intek Leaking Crankshaft Oil Seal [Re: Rand] #5330180 01/23/20 10:09 AM
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1978elcamino Offline
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Originally Posted by Rand
Originally Posted by SubieRubyRoo
Originally Posted by edwardh1
wonder who makes the airboxes- sounds like a manufacturing defect


Probably 5 letters long, starts with sea...


did you mean 6 letters?


C.H.I.N.A. I believe that is the direction subie was going. Some 8yr old may loose their job at the factory because of this post.


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