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Rear main seal instalation 1937 120
Just can't stay away
Joined:
2014/10/7 11:48
From Ocala, FL
Posts: 92
I'm going back together with my engine. I have a Motors Repair manual I'm working with. It leaves a lot to be desired.
In reference to the rear main seal. Does the "ring" on the crank, just aft of the bearing, cut into the rope seal? I don't see how the rope seal could fit on either side of the ring. It will be a tight fit and I don't see how the crank will rotate freely.

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jpg  seal.jpg (324.90 KB)
72388_5d6ec52ca9170.jpg 1079X1049 px

Posted on: 9/3 12:55:30
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Bilbo
1937 120C Sport Coupe

Continuously snatching defeat from the jaws of victory.
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Re: Rear main seal instalation 1937 120
Forum Ambassador
Joined:
2007/3/14 16:01
From New Jersey
Posts: 15597
My Motors spells it out quite clearly; you don't have a conventional rear seal, just a simple and effective crankshaft oil slinger which is an intergral part of the crankshaft (a typical arrangement of the era). Whatever someone erroneously stuffed into the slinger cavity should be removed. Make sure the slinger groove drain hole back to the oil pan is clear.

It wasn't until postwar that Packard eliminated the slinger and went to a graphited cord rear crankshaft seal.

Posted on: 9/3 13:10:57
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Re: Rear main seal instalation 1937 120
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Joined:
2008/1/8 20:15
From Fort Worth, TX
Posts: 3615
No seal.

Posted on: 9/3 19:25:55
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1937 Packard 138-CD Deluxe Touring Limousine
Maroon/Black 1090-1021
1955 Packard Clipper Custom Constellation
Citrine/Onyx 5567-2948 VP 57

link to my project blogs:
Henry's 37 Limousine Project Blog
Henry's 55 Constellation Project Blog

In memory of Henry Lee Greene Jr.
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Re: Rear main seal instalation 1937 120
Just can't stay away
Joined:
2014/10/7 11:48
From Ocala, FL
Posts: 92
Well folks once again that "readin" thing has sucked me in. I got a rebuild kit from one of our Packard suppliers and in it I found a rope type rear seal along with the two little pieces of wood that are part of the rear seal. While looking for the directions for installing a rear seal I skipped the paragraph that preceded the procedure which VERY CLEARLY stated there is no rear seal in the 1935-47 Six and Eight. Instead I read the procedure which in bold print identified it as the 1940-50 Super8, All 1951-53.
Damn!!
Doing my best to snatch defeat from the jaws of victory.

Thanks for the polite help.

Posted on: 9/4 5:53:21
_________________
Bilbo
1937 120C Sport Coupe

Continuously snatching defeat from the jaws of victory.
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