1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

BW 1345 Transfer Case Rebuild

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Old 12-28-2017, 08:35 PM
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BW 1345 Transfer Case Rebuild

Hi all, newbie here
im looking fo rebuild my transfer case for my 1984 F150. Does anyone have a shop manual for this?
 
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Old 12-28-2017, 09:53 PM
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Hey, I'm a fellow newbie on a quest to rebuild the same t-case for my 1986 F350. I found the manual here:

https://broncograveyard.com/rt-1277-...p-manuals.html

and pulled a junkyard t-case for parts. I've yet to really dig into the rebuild, but I'd be happy to swap info here.
 
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Old 12-29-2017, 07:45 AM
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Thank you, this looks exactly like what I’m looking for!
 
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Old 12-30-2017, 06:56 AM
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there is greater complication in brushing your teeth than there is in rebuilding these chain drive cases.
the 1345 is a fine case for normal power . i really like the output shaft yoke.

if your 400+ horsepower, the 1345 will hold up in 2wd
but the 4407 from the late nineties is a much stronger case, in every way comparable to the overpriced 271 series
 
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Old 12-30-2017, 01:15 PM
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On some of the old Borg Warner transfer cases is there a 1356? people do a case saver mod.
 
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Old 12-30-2017, 02:23 PM
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BW 1356 came along after the 1345 in 87/88 . it has the slip yoke output. a very good case virtually identiacal in all practical design parameters to the 1345. roughly the same low range and chain size etc.
a totally different design but the parameters are similar.
the pump locking plate can be "pinned" tokeep it from walking and wearing the case , causing a pin hole leak.

it happens on very high mile units but not to the degree that is so common on the newer 271 new venture cases.

the 1356 is no great improvement over the 1345 if a swap is being considered

the tonners and plow trk had a pto plate . that is the only added value to the 1356.

your big gain in swap will be the 4407 but only if your pulling or mud or whatever where massive big block torque is being pushed through the front drive train.
 
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Old 01-14-2018, 01:16 PM
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Can someone identify this bearing? I ordered 2 rebuild kits but it is not included in either of the kits I got. As you can see at the upper portion, all the material melted out the top. We used to call it a "spun" bearing when it looked like this with the connecting rods....do "we" still use that term?.

 
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Old 01-14-2018, 02:13 PM
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Last edited by truckertrav; 01-14-2018 at 02:20 PM. Reason: Moving text
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Old 01-15-2018, 09:10 PM
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ajzpop, is it 7120 in the above diagranm? My AllData calls that part "Input Shaft, Outer Bushing", OEM part no "EOTZ 7120B". Appears to be part of this kit:

https://shop.broncograveyard.com/BW-...uctinfo/31640/

Or this part matches description, though not the OEM part number:

https://cobratransmission.com/bw-134...a564b960ce4153
 
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Old 01-16-2018, 05:43 AM
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Part no longer available

Well, it seems that this part is no longer available. What are my options here? Finding a donor or swapping it out for something different? The local salvage yards don’t keep vehicles this old....
 
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Old 01-16-2018, 08:34 AM
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Originally Posted by ajzpop
Well, it seems that this part is no longer available. What are my options here? Finding a donor or swapping it out for something different? The local salvage yards don’t keep vehicles this old....
The previous poster gave you a option. This place also has it for $21.06.

Rebuild Kit 1345 Transfer Case Borg Warner and Parts Illustration and parts list! - Drivetrain
 
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Old 01-16-2018, 08:37 AM
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Originally Posted by Franklin2
The previous poster gave you a option. This place also has it for $21.06.

Rebuild Kit 1345 Transfer Case Borg Warner and Parts Illustration and parts list! - Drivetrain
Yeah, these are the people I had been dealing with. They are the ones who told me it is no longer available. They were very helpful and eager to help.
 
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Old 01-16-2018, 07:12 PM
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Originally Posted by ajzpop
Yeah, these are the people I had been dealing with. They are the ones who told me it is no longer available. They were very helpful and eager to help.
So Brad @ Drive Line and Gear called me back telling me that he had discussed my part issue with a friend and it turns out that he had a spare part that he would sell me. If anybody needs any parts for xfer cases or transmissions, check them out!!!
 
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Old 01-21-2018, 08:12 PM
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Originally Posted by sdiesel
there is greater complication in brushing your teeth than there is in rebuilding these chain drive cases.
the 1345 is a fine case for normal power . i really like the output shaft yoke.

if your 400+ horsepower, the 1345 will hold up in 2wd
but the 4407 from the late nineties is a much stronger case, in every way comparable to the overpriced 271 series
Ummmm, how does the detent spring and ball go back in? I do not have a replacement plug....surely there is a trick...
 
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Old 02-06-2018, 03:28 PM
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Originally Posted by ajzpop
Ummmm, how does the detent spring and ball go back in? I do not have a replacement plug....surely there is a trick...
I haven't gotten that far on mine yet, but are you talking about these?
https://www.ford-trucks.com/forums/2...-a-bw1345.html
 


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