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Joined: Jul 2014
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Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Jul 2014
Posts: 105 |
Advice needed for removal and replacement of the 207 cubic inch front crankshaft "cork" oil seal. I cannot find any detailed instruction and don't want to damage the cover. Does it pry out from the front of the cover similar to newer engines??? Any help is appreciated . thanks
Hainscou
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
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The cover has to be removed to install the seal. I would use a better material than cork. Removing the cover will give you a chance to see if the oil return holes are open,
Last edited by Chev Nut; 05/17/21 03:03 PM.
Gene Schneider
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Joined: Jul 2014
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Shade Tree Mechanic
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Shade Tree Mechanic
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Gene, thanks for the feedback. The cover is off, but I'm not sure how to remove the cork seal. Does the metal flange pry out from the back side of the cover? Also, any recommendations to replace the cork? I'm all for that. Thanks. Harry Ainscough. 35 truck
Hainscou
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Joined: Jul 2014
Posts: 105
Shade Tree Mechanic
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Shade Tree Mechanic
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Note. The oil drain hole is not plugged. The oil nozzle is open ask as was able to blow air back through the nozzle.. its at the correct angle pointing down an a little tower 7 o'clock. How is the nozzle fed oil?? Harry
Hainscou
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Joined: Jul 2014
Posts: 105
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Jul 2014
Posts: 105 |
Boy I need to preview my posts
Hainscou
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Joined: Jul 2014
Posts: 105
Shade Tree Mechanic
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OP
Shade Tree Mechanic
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Posts: 105 |
Does anyone know of a non-cork replacement front oil seal for the cam gear cover??
Hainscou
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Joined: Jan 2002
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ChatMaster - 25,000
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I would look for some graphited rope packing,
The metal parts are welded to the cover so do not mess with it.
Gene Schneider
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Joined: Aug 2003
Posts: 720
Oil Can Mechanic
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Oil Can Mechanic
Joined: Aug 2003
Posts: 720 |
my 35 front seal is a lip seal done before i got the vehicle looks like they found a seal to match the balancer and made a bushing to match the seal and the timing gear cover and pressed it in and it workes no problems you will have to go to the place that sells seals and match it as close as possible hope this helps bm
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Joined: Jul 2014
Posts: 105
Shade Tree Mechanic
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Shade Tree Mechanic
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I was able to get the old cork seal out. I bent up the three small tabs on the inside of the cover where the seal is. That gave me three small openings to tap the outer metal cork cover off/out . The seal metal cover removes from the front, with the cork, similar to current seals. I have measured the cork seal bore diameter and depth and, the balancer diameter in the cover. I came up with a 2.15 Dia.bore x .312 deep bore, and a 1.51 balancer dia (shaft dia).. Timken/National has a seal that is close, 1.5 shaft x2.125 die bore and .313 bore depth. will pick one up and see if it will work. I will post the results. The seal outer diameter may be too small at 2.125 Vice 2.15. We'll see.
Hainscou
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ChatMaster - 15,000
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You may be able to make a shim for the OD out of a beverage (your choice) can. Or some sealers might be tough enough to fill that small gap.
How Sweet the roar of a Chevy four!
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