Transfer case help
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Mountain Pass
Joined: Sep 2019
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Transfer case help
So I have a 1986 f150 5.0 4x4 with the AOD and np208 T-case. The np208 has decided to retire himself without my permission. lol. My local yard has 2 95 f150’s witch both have BW1356 T-cases. Are those a direct swap? If not is there a way to make it work? As always thanks for y’all’s hep.
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From: Virginia
It may swap. The later case will bolt up to the tranny you have. The shaft will fit and all that. First thing you need to figure out, do you have a slip yoke on the output of your transfer case or is it a fixed flange with the slip yoke in the driveshaft. They made both through all the years. Next is the shifter. I would try and get the shifter with the later transfer case. They can be different. Hopefully the overall length is the same as your old transfer case. If not, driveshaft modifications will be needed unless they are very close in length.
More Turbo
Joined: Dec 2021
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The 1356 is always a slip yoke when in a pickup truck, only Broncos got a fixed yoke. So that part will match up.
The 92-up shifter is a stupid design, bit illogical to operate and likes to stick and make neutral and low 4x4 inaccessible. The shifter also comes into the cab thru the side of the trans tunnel, whereas the '86-down trucks usually have in come in thru the top (right next to the transmission shifter if manual). Best to keep your shifter and modify your factory linkage bar to work with the 1356, or modify the 1356 bar to work with your shifter, or judt make yourself a new linkage bar to the length you need out of thick flat stock.
Main issue is those 95 cases have no speedometer cable provisions as the 92-up trucks have electronic speedometer that run of the sensor in the rear axle. So you lose your speedometer if you use them.
The 92-up shifter is a stupid design, bit illogical to operate and likes to stick and make neutral and low 4x4 inaccessible. The shifter also comes into the cab thru the side of the trans tunnel, whereas the '86-down trucks usually have in come in thru the top (right next to the transmission shifter if manual). Best to keep your shifter and modify your factory linkage bar to work with the 1356, or modify the 1356 bar to work with your shifter, or judt make yourself a new linkage bar to the length you need out of thick flat stock.
Main issue is those 95 cases have no speedometer cable provisions as the 92-up trucks have electronic speedometer that run of the sensor in the rear axle. So you lose your speedometer if you use them.
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From: Virginia
Could be a BW1356 1987-1997
Could be a NP208 1980-1986
I would try to keep the original 1356 shifter with the 1356 transfer case. Yes they stick and are a pain, but I had trouble with mine jumping out of low range when the gate on the shifter got stuck and I could just pull the shifter back from 2H to 4L without moving the lever toward my leg. Once I got that feature freed up, it locked it in 4L and it never jumped out anymore.
Mountain Pass
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More Turbo
Joined: Dec 2021
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Could be a BW1345 from 1980-1988
Could be a BW1356 1987-1997
Could be a NP208 1980-1986
I would try to keep the original 1356 shifter with the 1356 transfer case. Yes they stick and are a pain, but I had trouble with mine jumping out of low range when the gate on the shifter got stuck and I could just pull the shifter back from 2H to 4L without moving the lever toward my leg. Once I got that feature freed up, it locked it in 4L and it never jumped out anymore.
Could be a BW1356 1987-1997
Could be a NP208 1980-1986
I would try to keep the original 1356 shifter with the 1356 transfer case. Yes they stick and are a pain, but I had trouble with mine jumping out of low range when the gate on the shifter got stuck and I could just pull the shifter back from 2H to 4L without moving the lever toward my leg. Once I got that feature freed up, it locked it in 4L and it never jumped out anymore.
If your shifter needs to move sideways to clear the low range gate that's an 88-91 shifter end those are good. It's the 92-97 where you gotta push down while pulling back (and kinda up), them are the stupid ones I was referring to (the OP asked about a t-case from a 95 truck).
Main problem is to put the factory 1356 shifter in a 86-down truck one needs to cut a hole in the driver's side of the transmission tunnel and plate the factory one on top of the hump cover closed. Then obviously cutting the carpet or mat, and again closing its factory hole somehow. That last bit would annoy me extremely.
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More Turbo
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The 1345 is very rounded on its rear wall and has like a million ribs cast in it, no red gear ID tag but a rectangular one attached to one of the bolts that hold the front and c rear halves of the case together.
Tuned
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From: MD
Moderator
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From: Virginia
Fixed yoke in a pickup truck I've only seen 208s and 1345s, never a 1356 (and because I hate slip yokes I put a Bronco end on a F350-specific 1356 so I get a PTO and a fixed yoke). The cab-chassis trucks, especially the long wheelbase DRWs, I wonder what those got?
If your shifter needs to move sideways to clear the low range gate that's an 88-91 shifter end those are good. It's the 92-97 where you gotta push down while pulling back (and kinda up), them are the stupid ones I was referring to (the OP asked about a t-case from a 95 truck).
Main problem is to put the factory 1356 shifter in a 86-down truck one needs to cut a hole in the driver's side of the transmission tunnel and plate the factory one on top of the hump cover closed. Then obviously cutting the carpet or mat, and again closing its factory hole somehow. That last bit would annoy me extremely.
If your shifter needs to move sideways to clear the low range gate that's an 88-91 shifter end those are good. It's the 92-97 where you gotta push down while pulling back (and kinda up), them are the stupid ones I was referring to (the OP asked about a t-case from a 95 truck).
Main problem is to put the factory 1356 shifter in a 86-down truck one needs to cut a hole in the driver's side of the transmission tunnel and plate the factory one on top of the hump cover closed. Then obviously cutting the carpet or mat, and again closing its factory hole somehow. That last bit would annoy me extremely.
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