Transfer case leakage...
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Senior User
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From: Beldenville, WI
Transfer case leakage...
I just replaced the rear oil seal for the transfer case in my '66 4WD and it's still leaking like before. Any suggestions as to what else may be causing this to happen? TIA!
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Joined: Jun 2008
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From: Nanaimo, BC
If the seal-rub surface of the yoke is grooved or scored then there is a good chance a new seal won't stop the leak. You would have to use a micrometer to measure the journal and see if you can get a speedy-sleeve if its bad. Otherwise it would have to be reworked, usually they are hard chromed and ground to dimension... pricey. Or, if you're lucky ND might do one of his magic tricks and find an NOS one somewhere.
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Senior User
Joined: Sep 2007
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From: Beldenville, WI
If the seal-rub surface of the yoke is grooved or scored then there is a good chance a new seal won't stop the leak. You would have to use a micrometer to measure the journal and see if you can get a speedy-sleeve if its bad. Otherwise it would have to be reworked, usually they are hard chromed and ground to dimension... pricey. Or, if you're lucky ND might do one of his magic tricks and find an NOS one somewhere.
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Joined: Nov 2006
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From: Simi Valley, CA
If the seal-rub surface of the yoke is grooved or scored then there is a good chance a new seal won't stop the leak.
Exactly, and this is a somewhat common problem.
You would have to use a micrometer to measure the journal and see if you can get a speedy-sleeve if its bad. Otherwise it would have to be reworked, usually they are hard chromed and ground to dimension... pricey.
Or, if you're lucky ND might do one of his magic tricks and find an NOS one somewhere.
Here's the only two I could find. No one else has any. 
Exactly, and this is a somewhat common problem.
You would have to use a micrometer to measure the journal and see if you can get a speedy-sleeve if its bad. Otherwise it would have to be reworked, usually they are hard chromed and ground to dimension... pricey.
Or, if you're lucky ND might do one of his magic tricks and find an NOS one somewhere.
Here's the only two I could find. No one else has any. Fits: 1966 F100 4WD only...IF the transfer case is the 1966 original.
1961/65 is different / 1967/72 is different / F250 is different, as is Bronco.
BOWMAN SALES & SERVICE in Bowman ND has ONE: 701-523-3257.
GREEN SALES CO. in Cincinnati OH has ONE: 800-543-4959.
My guess is...Bowman will be cheaper.
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From: Simi Valley, CA
Look for the Ford ID number (C6TA-7A195-B or C) on the T/C, or any other numbers you can find, and post them.
Your truck is 43 years old...so who knows if the T/C is the original...or not.
I do not want you to get the wrong part because some PO made changes.
Your truck is 43 years old...so who knows if the T/C is the original...or not.
I do not want you to get the wrong part because some PO made changes.
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From: Beldenville, WI
There is a Manufacturer's ID plate on the T/C that provides the serial #721427, model: 21 and B/M: 300530-2. Hope that helps.
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Ford Parts Specialist
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From: Simi Valley, CA
300530-3 = 1867/68 f100 4wd
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Ford Parts Specialist
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From: Simi Valley, CA
Even though the T/C is correct...one never knows if that's the original yoke.
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