[Healeys] 6-cylinder Rear Crankshaft Oil Seal Conversion Kit

warthodson at aol.com warthodson at aol.com
Fri Mar 26 17:16:08 MDT 2021


I had what appeared to be a very similar rear seal failure experience  with a TR3 engine. The mechanic that did the engine rebuild diagnosed the leak to be his failure to correctly seal the rear bearing cap. After he sealed the rear bearing cap correctly, I never had any oi leak issues with that engine.Gary
-----Original Message-----
From: jpaynepbr at cox.net
To: 'David Nock' <healeydoc at gmail.com>; rfbegani at gmail.com; 'Healeys' <healeys at autox.team.net>
Sent: Fri, Mar 26, 2021 5:40 pm
Subject: Re: [Healeys] 6-cylinder Rear Crankshaft Oil Seal Conversion Kit

#yiv5250022913 #yiv5250022913 -- _filtered {} _filtered {} _filtered {} _filtered {}#yiv5250022913 #yiv5250022913 p.yiv5250022913MsoNormal, #yiv5250022913 li.yiv5250022913MsoNormal, #yiv5250022913 div.yiv5250022913MsoNormal {margin:0in;font-size:11.0pt;font-family:sans-serif;}#yiv5250022913 a:link, #yiv5250022913 span.yiv5250022913MsoHyperlink {color:#0563C1;text-decoration:underline;}#yiv5250022913 span.yiv5250022913EmailStyle18 {font-family:sans-serif;color:windowtext;}#yiv5250022913 .yiv5250022913MsoChpDefault {font-size:10.0pt;} _filtered {}#yiv5250022913 div.yiv5250022913WordSection1 {}#yiv5250022913 Is it possible that is the flex line going to the oil pressure gauge that has failed and it is simply running down?  I have had / seen this fail at least 3 times.  Additionally, is it the crush washer up on the rocker arm oil feed causing a leak behind the valve cover gasket and running down behind?  Seen this at least 3 times as well.    From: Healeys <healeys-bounces at autox.team.net> On Behalf Of David Nock via Healeys
Sent: Friday, March 26, 2021 3:21 PM
To: rfbegani at gmail.com; Austin Healey list <healeys at autox.team.net>
Subject: Re: [Healeys] 6-cylinder Rear Crankshaft Oil Seal Conversion Kit  These seals on the 6 cylinder cars are acutally a secondary rear main seal. The original scroll seal is still there. Usually if there is a leak after installing the aftermarket rubber seal it is not the main seal. It is usually something else.   To leak 2.5 quarts of oil  in 100 miles is major. I would be looking at other places first. Get some UV oil dye from the local parts store and put in the oil. Then look to see where it is actually coming from. Oil flex hose to gauge, rear of valve cover, etc.  Also have seen them leak along the side of the rear main cap to the block, if they are not sealed up correctly. If it is the rear main leaking that much oil the seal will never stop it. You probably had to little clearance on the rear scroll and the seal surface is damaged.  David Nock
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www.britishsportscarhalloffame.org From: Bob Begani via Healeys Sent: Friday, March 26, 2021 2:40 PMTo: Austin Healey list Subject: [Healeys] 6-cylinder Rear Crankshaft Oil Seal Conversion Kit When we rebuilt my BJ8 Engine I bought the Oil Seal from Moss and my machinist friend installed it. I am confident he did a good job drilling and tapping holes etc.  I had hoped that I would not have rear crankshaft oil leaks.  In the past year I have driven the car a little over 1,000 miles 25 miles at I time and recently noticed those infamous oil spots on the driveway.  Today I visited my British Car friends at Tech Central in Bonita Springs a 100-mile round trip on I-75 nonstop at 65-75 mph.  Fortunately, I carried 2.5 quarts of oil because I had to use it to fill the crankcase when I got there and had to add 2.5 quarts when I got home.  In addition, I notice the clutch slipping in 4th gear in overdrive if I accelerated.  No doubt caused by oil on surface of the friction plate. When I got home the weep hole in the transmission bell housing was producing one oil drop every three seconds and when running the engine at fast idle one drop of oil every second. Has anyone had a failure using this seal conversion kit? Bob Begani  _______________________________________________
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