Steve83 > 1983 Ford Bronco > open folder NP-435 Swap

I wore out my first trans when I lived in Louisiana, and I swapped in a used one from a ~'78 F250 4W...
Trans79a.JPG
3702 hits | 107.64 KB | Posted: 7/13/03
I wore out my first trans when I lived in Louisiana, and I swapped in a used one from a ~'78 F250 4W...
It had ~1/2" of mud caked on all over the case, so I scraped most of it off. The pile on the ground...
Trans79b.JPG
2935 hits | 85.83 KB | Posted: 7/13/03
It had ~1/2" of mud caked on all over the case, so I scraped most of it off. The pile on the ground...
This is the 3rd one going in. See this image for decoding: [url=http://www.supermotors.net/registr...
Trans79tag.JPG
2967 hits | 91.2 KB | Posted: 7/13/03
This is the 3rd one going in. See this image for decoding:
[url=http://www.supermotors.net/registr...
This is the 2nd one coming out. It replaced the 1st one when I lived in Louisiana, and it came fro...
Trans78Tag.jpg
2813 hits | 65.1 KB | Posted: 7/13/03
This is the 2nd one coming out. It replaced the 1st one when I lived in Louisiana, and it came fro...
Trans79c.JPG
Trans79c.JPG
3089 hits | 110.56 KB | Posted: 7/13/03
Service part number E4TA-7003-RA Transmission NP-435, 4WD remanThe switch is for the reverse light...
Trans79d.JPG
3179 hits | 91.25 KB | Posted: 7/13/03
Service part number E4TA-7003-RA Transmission NP-435, 4WD reman

The switch is for the reverse light...
My first step was to pull the boot. Just 4 screws. The floor cover is butchered because it's fro...
Boot.JPG
3093 hits | 79.14 KB | Posted: 7/13/03
My first step was to pull the boot. Just 4 screws.

The floor cover is butchered because it's fro...
Push down HARD on the retainer and turn it CCW to release.
Retainer.JPG
3261 hits | 75.58 KB | Posted: 7/13/03
Push down HARD on the retainer and turn it CCW to release.
Then let it pop up and the shifter can come out.
Released.jpg
3418 hits | 82.86 KB | Posted: 7/13/03
Then let it pop up and the shifter can come out.
Make SURE the trans is in N before doing this, or it'll be tricky getting the shifter back in later.
Removed.JPG
3116 hits | 80.76 KB | Posted: 7/13/03
Make SURE the trans is in N before doing this, or it'll be tricky getting the shifter back in later.
I pounded this cap onto the transmission to keep any dirt from falling in as I removed it.
Capped.JPG
3076 hits | 82.13 KB | Posted: 7/13/03
I pounded this cap onto the transmission to keep any dirt from falling in as I removed it.
I didn't want a bunch of jack stands in my way, so I only used 2 to lift the truck ~6". Since ...
Lift Kit.JPG
3029 hits | 86.74 KB | Posted: 7/13/03
I didn't want a bunch of jack stands in my way, so I only used 2 to lift the truck ~6". Since ...
Next, I dropped the skid plate, t-case shift linkage, & driveshafts.
Shafts Skid.JPG
3152 hits | 101.83 KB | Posted: 7/13/03
Next, I dropped the skid plate, t-case shift linkage, & driveshafts.
When the t-case separates from the transmission extension, oil will dump out, so be prepared with a ...
T-case.JPG
3875 hits | 97.91 KB | Posted: 7/13/03
When the t-case separates from the transmission extension, oil will dump out, so be prepared with a ...
NP-208F The stud just to the R of the yoke is the shifter shaft, and the single post above it is ...
NP-208 F.JPG
5024 hits | 115.53 KB | Posted: 7/13/03
NP-208F

The stud just to the R of the yoke is the shifter shaft, and the single post above it is ...
NP-208F
NP-208 R.JPG
4494 hits | 106.41 KB | Posted: 7/13/03
NP-208F
I jammed the shifter up throught the boot to keep it out of the way.
Shifter.JPG
3202 hits | 97.2 KB | Posted: 7/13/03
I jammed the shifter up throught the boot to keep it out of the way.
The upper 2 bolts (yellow) only need to be loosened. There's not enough room to remove them anyway.
Xmbr Bolts.JPG
2907 hits | 85.7 KB | Posted: 7/13/03
The upper 2 bolts (yellow) only need to be loosened. There's not enough room to remove them anyway.
With the weight off the crossmember and the two 3/4" transmission bolts removed, the crossmember can...
Heft.JPG
2953 hits | 79.73 KB | Posted: 7/13/03
With the weight off the crossmember and the two 3/4" transmission bolts removed, the crossmember can...
Since it was about to rain anyway and I needed a break, I decided to wash it before handling it. I ...
Wash.JPG
3040 hits | 88.63 KB | Posted: 7/13/03
Since it was about to rain anyway and I needed a break, I decided to wash it before handling it. I ...
Soak.JPG
Soak.JPG
3003 hits | 82.67 KB | Posted: 7/13/03
I bought these before I started. Prices are written on the boxes.
New Parts.JPG
2920 hits | 65.38 KB | Posted: 7/13/03
I bought these before I started. Prices are written on the boxes.
After rinsing, I let it dry and then removed the 4 mounting bolts. It's easier & lighter without th...
Jacked.JPG
2951 hits | 85.91 KB | Posted: 7/13/03
After rinsing, I let it dry and then removed the 4 mounting bolts. It's easier & lighter without th...
After a deep breath, I lifted the transmission, pulled the jack out, pulled the transmission backwar...
Knees.JPG
3063 hits | 79.13 KB | Posted: 7/13/03
After a deep breath, I lifted the transmission, pulled the jack out, pulled the transmission backwar...
Ya gotta be REAL careful!Putting it back up there without a trans jack is even LESS fun...
Down.JPG
3341 hits | 80.61 KB | Posted: 7/13/03
Ya gotta be REAL careful!

Putting it back up there without a trans jack is even LESS fun...
With the truck up, it barely cleared the frame, but its (almost) flat bottom allows it to stand.
Out.JPG
2965 hits | 101.03 KB | Posted: 7/13/03
With the truck up, it barely cleared the frame, but its (almost) flat bottom allows it to stand.
The dirty one has been popping out of Reverse, so I'm swapping in the clean one temporarily, but I m...
Compare 2.JPG
3353 hits | 103.73 KB | Posted: 7/13/03
The dirty one has been popping out of Reverse, so I'm swapping in the clean one temporarily, but I m...
The main case of an NP435 is 10 13/16" front-to-back across the mounting surfaces; the 4WD exte...
Compare 3.JPG
3214 hits | 96.95 KB | Posted: 7/13/03
The main case of an NP435 is 10 13/16" front-to-back across the mounting surfaces; the 4WD exte...
Compare 5.JPG
Compare 5.JPG
3102 hits | 110.27 KB | Posted: 7/13/03
It's barely visible, but the 15795 extension incorporates a dam to keep most of the transmission oil...
Compare 6.JPG
3295 hits | 112.44 KB | Posted: 7/13/03
It's barely visible, but the 15795 extension incorporates a dam to keep most of the transmission oil...
While the transmission was down, I decided to inspect the clutch, which was worn down & starting to ...
Flywheel.JPG
3100 hits | 76.59 KB | Posted: 7/13/03
While the transmission was down, I decided to inspect the clutch, which was worn down & starting to ...
I also noticed some rust on the tip of the input shaft, and I discovered that I hadn't put any greas...
Pilot Dry.JPG
4195 hits | 81.96 KB | Posted: 7/13/03
I also noticed some rust on the tip of the input shaft, and I discovered that I hadn't put any greas...
Since I didn't have a pilot bearing puller, I removed the flywheel to keep the grease off of it. Th...
Bareback.JPG
9614 hits | 97.38 KB | Posted: 7/13/03
Since I didn't have a pilot bearing puller, I removed the flywheel to keep the grease off of it. Th...
After packing the old pilot with grease, I found a steel rod that barely fit and a LARGE hammer. Wh...
Pilot Hammer.JPG
3554 hits | 71.59 KB | Posted: 7/13/03
After packing the old pilot with grease, I found a steel rod that barely fit and a LARGE hammer. Wh...
After a few tries, it was out.
Pilot Out.JPG
3161 hits | 74.25 KB | Posted: 7/13/03
After a few tries, it was out.
The last thing is to pull the rear main, which can be done with a small flathead screwdriver. It's ...
RearMain Pull.JPG
5254 hits | 88.44 KB | Posted: 7/13/03
The last thing is to pull the rear main, which can be done with a small flathead screwdriver. It's ...
In the bellhousing, I found the remains of the last starter I had to replace.
Muck.JPG
3204 hits | 136.97 KB | Posted: 7/13/03
In the bellhousing, I found the remains of the last starter I had to replace.
I decided to keep the extension with the dam, and the gasket was shot, so I made a new one.
Gasket.JPG
3609 hits | 86.2 KB | Posted: 7/13/03
I decided to keep the extension with the dam, and the gasket was shot, so I made a new one.
Neutral
Neutral.JPG
4972 hits | 116.93 KB | Posted: 7/13/03
Neutral
Reverse
Reverse.JPG
3413 hits | 111.37 KB | Posted: 7/13/03
Reverse
1st gear
First.JPG
3425 hits | 110.06 KB | Posted: 7/13/03
1st gear
2nd gear
Second.JPG
3498 hits | 111.8 KB | Posted: 7/13/03
2nd gear
3rd gear
Third.JPG
3231 hits | 122.19 KB | Posted: 7/13/03
3rd gear
4th gear
Fourth.JPG
3431 hits | 116.73 KB | Posted: 7/13/03
4th gear
NP 435 Identification
NP435.jpg
5295 hits | 59.16 KB | Posted: 7/14/03
NP 435 Identification
Master Rebuild Kit AGP435 (BK127WS) Shortly after installing the 3rd trans, I realized I had take...
NP435Kit.JPG
3788 hits | 61.28 KB | Posted: 5/21/07
Master Rebuild Kit AGP435 (BK127WS)

Shortly after installing the 3rd trans, I realized I had take...
Rebuilding the New Process 435IF THE IMAGE IS TOO SMALL, click it.[url=http://www.supermotors.net...
NP435.jpg
17429 hits | 97.44 KB | Posted: 5/22/07
Rebuilding the New Process 435
IF THE IMAGE IS TOO SMALL, click it.

[url=http://www.supermotors.net...
I've decided to rebuild this one first since I know it needs a lot of work. I picked up another use...
2ndOut.JPG
3194 hits | 98.81 KB | Posted: 6/10/07
I've decided to rebuild this one first since I know it needs a lot of work. I picked up another use...
This is the 4th trans going in. The 2nd will get rebuilt first; then the 3rd. If this one has any ...
4thIn.JPG
3144 hits | 80.76 KB | Posted: 6/10/07
This is the 4th trans going in. The 2nd will get rebuilt first; then the 3rd. If this one has any ...
Powdercoated Shifter I still have to brush the coating out of the splines, and buy a new boot & r...
StickPowdered.JPG
2841 hits | 105.2 KB | Posted: 6/26/07
Powdercoated Shifter

I still have to brush the coating out of the splines, and buy a new boot & r...
Old Manual Transmissions
Trans Manuals.jpg
5191 hits | 48.35 KB | Posted: 7/10/03
Old Manual Transmissions