 Splitting the Stubborn Case |
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| bkrantz |
 Jul 3 2020, 09:22 PM
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#1
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914 Guru  Group: Members Posts: 7,724 Joined: 3-August 19 From: SW Colorado Member No.: 23,343 Region Association: Rocky Mountains 
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I have removed all case fasteners (20 smaller nuts and/or bolts plus 6 large bolts)--and I have checked at least a dozen times--and compared to various guides. At this point only sealant should be holding the case halves together.
But my gentle and careful efforts have not budged things. And even some slightly more aggressive tapping with a hammer and hardwood dowel has not worked. What to try next? Any good methods besides the tool that wedges the oil strainer hole open? |
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| bdstone914 |
Jul 3 2020, 10:49 PM
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#2
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bdstone914 Group: Members Posts: 4,508 Joined: 8-November 03 From: Riverside CA Member No.: 1,319 |
Yes on the tool that inserts into the oil pump cavity.
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| IronHillRestorations |
Jul 4 2020, 06:12 AM
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#3
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I. I. R. C. Group: Members Posts: 6,714 Joined: 18-March 03 From: West TN Member No.: 439 Region Association: None
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There's one nut on the lower front of the case that's easy to miss. I'm with Bruce on the oil pump bore splitter. You can gently use a brass drift on the studs. Just don't pry it apart, you'll create an oil leak.
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| iankarr |
Jul 4 2020, 06:16 AM
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#4
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The wrencher formerly known as Cuddy_K Group: Members Posts: 2,471 Joined: 22-May 15 From: Heber City, UT Member No.: 18,749 Region Association: Intermountain Region
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Try Jake Raby's method...make sure the front main seal and fan hub are still on the engine, then use a prybar between them, making sure that the edge of the bar is definitely pressing on the seal (not the case). If all your bolts are out, the case will split really easy this way....
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| Mark Henry |
Jul 4 2020, 04:11 PM
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#5
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
Also make sure all the washers are off, they catch on the threads.
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| Jake Raby |
Jul 4 2020, 06:25 PM
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#6
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Engine Surgeon Group: Members Posts: 9,394 Joined: 31-August 03 From: Lost Member No.: 1,095 Region Association: South East States |
If its fighting you, either the case is being held up by a locating dowel pin, or you’ve left a fastener behind.. My engine rebuild video is a real life saver, here. I show each fastener.
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| iankarr |
Jul 4 2020, 06:45 PM
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#7
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The wrencher formerly known as Cuddy_K Group: Members Posts: 2,471 Joined: 22-May 15 From: Heber City, UT Member No.: 18,749 Region Association: Intermountain Region
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| bkrantz |
Jul 4 2020, 06:58 PM
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#8
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914 Guru Group: Members Posts: 7,724 Joined: 3-August 19 From: SW Colorado Member No.: 23,343 Region Association: Rocky Mountains
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Thanks, everyone. Cuddy (and Jake) are the winners. I did some gentle prying on the input shaft seal, and the seam opened along the front the middle. But the rear seam by the flywheel was not cooperating. I resorted to some plastic wedges (door shims) and that did the trick.
Attached thumbnail(s) 
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| Robarabian |
Jul 4 2020, 10:18 PM
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#9
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914 A Roo Group: Members Posts: 590 Joined: 11-February 19 From: Simi Valley, Kalifornia Member No.: 22,865 Region Association: Southern California
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Thats how I did it yesterday.. worked like a charm against the seal..
QUOTE(cuddy_k @ Jul 4 2020, 05:16 AM)  Try Jake Raby's method...make sure the front main seal and fan hub are still on the engine, then use a prybar between them, making sure that the edge of the bar is definitely pressing on the seal (not the case). If all your bolts are out, the case will split really easy this way.... |
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