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...

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...

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...

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
3089 hits | 110.56 KB | Posted: 7/13/03

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...

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...

Retainer.JPG
3261 hits | 75.58 KB | Posted: 7/13/03
Push down HARD on the retainer and turn it CCW to release.

Released.jpg
3418 hits | 82.86 KB | Posted: 7/13/03
Then let it pop up and the shifter can come out.

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.

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.

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 ...

Shafts Skid.JPG
3152 hits | 101.83 KB | Posted: 7/13/03
Next, I dropped the skid plate, t-case shift linkage, & driveshafts.

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-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-208 R.JPG
4494 hits | 106.41 KB | Posted: 7/13/03
NP-208F

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.

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.

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...

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
3003 hits | 82.67 KB | Posted: 7/13/03

New Parts.JPG
2920 hits | 65.38 KB | Posted: 7/13/03
I bought these before I started. Prices are written on the boxes.

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...

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...

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...

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.

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...

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
3102 hits | 110.27 KB | Posted: 7/13/03

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...

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 ...

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...

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...

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...

Pilot Out.JPG
3161 hits | 74.25 KB | Posted: 7/13/03
After a few tries, it was out.

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 ...

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.

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.JPG
4972 hits | 116.93 KB | Posted: 7/13/03
Neutral

Reverse.JPG
3413 hits | 111.37 KB | Posted: 7/13/03
Reverse

First.JPG
3425 hits | 110.06 KB | Posted: 7/13/03
1st gear

Second.JPG
3498 hits | 111.8 KB | Posted: 7/13/03
2nd gear

Third.JPG
3231 hits | 122.19 KB | Posted: 7/13/03
3rd gear

Fourth.JPG
3431 hits | 116.73 KB | Posted: 7/13/03
4th gear

NP435.jpg
5295 hits | 59.16 KB | Posted: 7/14/03
NP 435 Identification

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...

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...

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...

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 ...

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...

Trans Manuals.jpg
5191 hits | 48.35 KB | Posted: 7/10/03
Old Manual Transmissions