Leaky Primary Drain Plug?
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Seasoned HDF Member
Joined: Sep 2010
Posts: 10,237
Likes: 799
From: Indiana
Leaky Primary Drain Plug?
I am finding a spot of oil directly under my primary drain plug.
The underside of the primary was oily when I changed all 3 holes the other day and all of the drain plugs had some type of dope on the threads.
Of course, the warranty ran out the end of August so......
Do you all put dope on the threAds or just change the o rings?
The underside of the primary was oily when I changed all 3 holes the other day and all of the drain plugs had some type of dope on the threads.
Of course, the warranty ran out the end of August so......
Do you all put dope on the threAds or just change the o rings?
Grand HDF Member
Joined: May 2008
Posts: 4,585
Likes: 673
From: Rolla
No sealant of any type on any of mine.
The "O-Ring" is what seals it and keeps it from leaking.
Make sure the mating surface is good and clean, and there are no nicks or tears in the o-ring.
I've never had one leak on any of the three plugs.
The "O-Ring" is what seals it and keeps it from leaking.
Make sure the mating surface is good and clean, and there are no nicks or tears in the o-ring.
I've never had one leak on any of the three plugs.
Seasoned HDF Member
Joined: Mar 2009
Posts: 24,711
Likes: 9,214
From: Snow Hill, NC
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Road Captain
Joined: Aug 2013
Posts: 519
Likes: 83
From: NC
I just use a new O-ring every change and torque the plug to the proper spec. No pipe dope or thread tape. Mine never leaks.
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