 oil leak from flywheel bolts, do I need thread sealant here? |
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| davesprinkle |
 Mar 15 2017, 01:30 PM
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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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My type 4 engine is leaking oil via the threads of the flywheel bolts. How does this leak-path get sealed?
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| Mark Henry |
Mar 15 2017, 03:13 PM
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#2
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
The RMS is under direct pressure from the #1 main bearing, the slightest scratch in the flywheel or crank mating surfaces will act like an oil galley.
One of the reasons not to use too much sealant on case halves is so you won't clog the RMS/rear main bearing oil drain notch. Clog that relief notch and the best seal in the world won't stop the oil coming out of the RMS. |
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| 6freak |
Mar 16 2017, 07:17 AM
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#3
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MR.C Group: Members Posts: 4,740 Joined: 19-March 08 From: Tacoma WA Member No.: 8,829 Region Association: Pacific Northwest |
QUOTE(Mark Henry @ Mar 15 2017, 02:13 PM)  The RMS is under direct pressure from the #1 main bearing, the slightest scratch in the flywheel or crank mating surfaces will act like an oil galley. One of the reasons not to use too much sealant on case halves is so you won't clog the RMS/rear main bearing oil drain notch. Clog that relief notch and the best seal in the world won't stop the oil coming out of the RMS. you learn something new everyday (IMG:style_emoticons/default/smile.gif) but that O ring has nothing to do with keeping the oil in the motor ...maybe I`m just missing it surprise (IMG:style_emoticons/default/laugh.gif) ...ill have to dig into the book more |
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Posts in this topic
davesprinkle oil leak from flywheel bolts Mar 15 2017, 01:30 PM
6freak
My type 4 engine is leaking oil via the threads o... Mar 15 2017, 02:26 PM Mark Henry There is an O-ring in the flywheel where it mates ... Mar 15 2017, 02:41 PM
6freak
There is an O-ring in the flywheel where it mates... Mar 15 2017, 02:52 PM Mark Henry This is a T1 flywheel but the O-ring is installed ... Mar 15 2017, 02:45 PM Mark Henry
[quote name='Mark Henry' post='2464509' date='Mar... Mar 16 2017, 10:37 AM 6freak
[quote name='Mark Henry' post='2464509' date='Ma... Mar 16 2017, 02:51 PM Montreal914 RMS seals around the neck of the flywheel, not on ... Mar 16 2017, 07:52 AM |
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