 not so lucky with my oil leak |
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| eyesright |
 Apr 23 2013, 06:28 AM
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Member  Group: Members Posts: 430 Joined: 8-January 12 From: OK Member No.: 13,979 Region Association: Southwest Region  |
Young 914 owner 's oil leak dried up. Im not so lucky.
I recently built my '76 2.0 engine. It runs fine but I am dripping a half quart of oil in 80 miles. I assembled the case with sealer ala Jakes video and installed seals according to video and Wilson. Oil pressure sender, oil pump, oil cooler, oil filter are all dry. Valve covers, pushrod tubes, head and jugs are dry. Sump is wet and tranny and rear bumper...I dried it off and ran it in place for a few minutes and shut it down. Case seams, oil strainer and drain plug are dry. Oil drips from the front and rear of the case so I assume the front and real seals are not doing their job. I'll got my crank from Rimco and I'll call them to see what's up. Off hand I don't recall if the seals are on a turned journal. Would that matter? And I suppose I got my seals from them but I'll have to check my stack of invoices. After 600 breakin miles, its still dripping. I've added some seal conditioner with no luck. Anybody have any similiar experience? I'll post the outcome but in the meantime I'd be glad to hear from anybody. |
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Replies(1 - 6)
| TheCabinetmaker |
Apr 23 2013, 06:40 AM
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I drive my car everyday Group: Members Posts: 8,300 Joined: 8-May 03 From: Tulsa, Ok. Member No.: 666 |
Use a couple of cans of brake cleaner to get all the oil off. Then get under it with a good light while its running. There could be more than one leak. I look for the oil at its forward most point. It might need to be at cruise rpm before the leaks show up. Ususal spots are the filter, pressure relief, drain plug, sump cover, oil temp cender cover, oil cooler, and pressure sender. Of course, there is, as you've mentioned, the front and rear seal.
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| JStroud |
Apr 23 2013, 07:33 AM
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Senior Member Group: Members Posts: 1,463 Joined: 15-January 11 From: Galt, California Member No.: 12,594 Region Association: Northern California |
Did you drill and tap the galley plugs during the rebuild, if not one or more of those could be leaking.
Good luck Jeff |
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| gothspeed |
Apr 23 2013, 08:03 AM
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Senior Member Group: Members Posts: 1,539 Joined: 3-February 09 From: SoCal Member No.: 10,019 Region Association: None |
After my very detailed 2056 build, i had a leak from one spot. It was from the bolt between the cylinders just above the sump. It was found after cleaning the engine as described above and looking around with a very good focused flashlight.
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| 76-914 |
Apr 23 2013, 08:08 AM
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#5
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,505 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California 
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did you forget the crank o-ring? like Curt says, check forward and work your way back.
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| rhcb914 |
Apr 23 2013, 05:43 PM
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member Group: Members Posts: 358 Joined: 3-February 04 From: Boston, MA Member No.: 1,626 |
"Off hand I don't recall if the seals are on a turned journal. "
The oil seals don't seal on a crank shaft journal. The rear main seals on the flywheel and the front seals on the fan hub. If you did not clean either of those up before assembly there is a very good chance that the seals are not on a fresh surface and can easily leak. |
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| jcd914 |
Apr 24 2013, 01:37 AM
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#7
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Advanced Member Group: Members Posts: 2,081 Joined: 7-February 08 From: Sacramento, CA Member No.: 8,684 Region Association: Northern California |
QUOTE(rhcb914 @ Apr 23 2013, 04:43 PM)  "Off hand I don't recall if the seals are on a turned journal. " The oil seals don't seal on a crank shaft journal. The rear main seals on the flywheel and the front seals on the fan hub. If you did not clean either of those up before assembly there is a very good chance that the seals are not on a fresh surface and can easily leak. The flywheel has an o-ring inside it that seals to the crank and fan hub has an o-ring to seal it to nose of the crank. |
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