 fan housing stud oil leak, hole opens into crankcase |
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| davesprinkle |
 Oct 30 2016, 11:04 AM
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Senior Member  Group: Members Posts: 720 Joined: 13-October 04 From: Berkeley, CA Member No.: 2,943 Region Association: None 
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OK. Big leak from the front of the engine. My theorized culprit was the oil pump. So I pulled the engine and fan housing. Not the oil pump. Rather, the source of the leak was via the threads of one of the top fan housing studs. Its threaded hole opens into the crankcase breather cavity. It's clear that this will leak unless the threads are sealed somehow. What kind of sealant should I use?
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| McMark |
Oct 30 2016, 11:32 AM
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
The one on the upper drivers side opens to the oil fill tower. Never heard of those leaking, but I could see how. It's not a pressure zone, so anything should work fine. I would put Loctite 518 on it, since I have that here. But Loctite 565 (liquid teflon) would work. Gasgacinch would work. Loctite threadlocker would work as well. Just not RTV/Silicone style sealants.
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| davesprinkle |
Oct 30 2016, 11:40 AM
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#3
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Senior Member Group: Members Posts: 720 Joined: 13-October 04 From: Berkeley, CA Member No.: 2,943 Region Association: None
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QUOTE(McMark @ Oct 30 2016, 10:32 AM)  The one on the upper drivers side opens to the oil fill tower. Never heard of those leaking, but I could see how. It's not a pressure zone, so anything should work fine. I would put Loctite 518 on it, since I have that here. But Loctite 565 (liquid teflon) would work. Gasgacinch would work. Loctite threadlocker would work as well. Just not RTV/Silicone style sealants. Thanks, McMark. I've got the blue Loctite here, so I think I'll use that. Loctite says it will work as a thread-sealant and is oil-tolerant. |
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Posts in this topic
davesprinkle fan housing stud oil leak Oct 30 2016, 11:04 AM
Valy I would be bothered by the "big leak" re... Oct 30 2016, 11:51 AM davesprinkle
I would be bothered by the "big leak" r... Oct 30 2016, 12:34 PM |
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