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#1
01-30-2012, 05:08 PM
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722.303 trans leak
The trans in my 617.951 powered 53 F100 has sprung a significant leak. On the RH side, toward the rear, there is a small cover held in by a snap ring. What seals this cover? And if there is a spring, how strong is it?
Any help appreciated, tired of buying fluid 
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1971 R600 Mack toterhome (SuperDawg)  99 NU-WA Snowbird 34+2 SE 102 5er  If it's not diesel, it's not in my stable! 53 F100 617.951/auto  95 Dodge 3500 Cummins/5 speed service truck 
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#2
01-30-2012, 05:12 PM
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Sounds like the round cover to the B2 piston. I believe there is an O-ring seal. If you look up B2 repair -it should have details/pics.
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81 300D Turbo 190K sold 83 300sd 319K best $500 I ever spent-daily driverw/ 2 tank WVO set up
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#4
01-30-2012, 05:21 PM
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The small cover to the far left, just above the kickdown solenoid.
__________________
1971 R600 Mack toterhome (SuperDawg) 99 NU-WA Snowbird 34+2 SE 102 5er If it's not diesel, it's not in my stable! 53 F100 617.951/auto 95 Dodge 3500 Cummins/5 speed service truck
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#5
01-30-2012, 05:54 PM
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Secondary pump? There's an o-ring to replace after removing the 3 bolts. I'm 90% sure the part number is 016 997 32 48. I don't know what the adjustment screw is for exactly but it has to do with the centrifugal governor. Best to leave it alone, I guess.
Or is it leaking from the middle cover held on by a circlip? There is a secondary pump delete kit available from Peter Schmid. The secondary pump wan't included in transmissions from late '91 or '92. Sixto 87 300D
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#6
01-30-2012, 06:43 PM
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It's leaking from the small cover held in by the snap ring.
I have 3 of these trans, from 81, 82, and 85 model years. The 81 and 85 have this small cover, the 82 doesn't  If it is an O-ring seal, any idea of the dimensions?
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1971 R600 Mack toterhome (SuperDawg) 99 NU-WA Snowbird 34+2 SE 102 5er If it's not diesel, it's not in my stable! 53 F100 617.951/auto 95 Dodge 3500 Cummins/5 speed service truck
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#8
01-30-2012, 08:02 PM
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Quote:
__________________
1971 R600 Mack toterhome (SuperDawg) 99 NU-WA Snowbird 34+2 SE 102 5er If it's not diesel, it's not in my stable! 53 F100 617.951/auto 95 Dodge 3500 Cummins/5 speed service truck
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#10
01-30-2012, 09:06 PM
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Quote:
__________________
1971 R600 Mack toterhome (SuperDawg) 99 NU-WA Snowbird 34+2 SE 102 5er If it's not diesel, it's not in my stable! 53 F100 617.951/auto 95 Dodge 3500 Cummins/5 speed service truck
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