Transfer case question

[Awest623]

Got it under control

Also, welcome to the forum! There's a lot of good info here. I recommend reading the stickies in each section. Don't be afraid to reach out to us, we're glad to help, we just need to know what's wrong!

 

[Erik the Awful]

1) Many of us don't bother to memorize what the options were for each year.
2) These truck are all more than twenty years old. Many of them are bastardized.
3) Being snarky or "being an A Hole" doesn't earn you any street cred here.

Yes, Schurkey started off in all caps. When he doesn't, people skip right over that important question. He capitalized it because it's an important piece of information we need to start helping you.

 

[Phr0stByte]

I'm glad you got it worked out. @Schurkey was just trying to get the specifics so he didn't give you wrong information. That said, there's still a lot of variabilities in regards to transmissions. For example there's 4l60e, 4l80e, 700r4, NV4500, NV3500, etc... 1994 came with 4 transmission options: 4l60e, 4l80e, nv3500, and nv4500. It helps to be descriptive, for example I personally don't know what year they switched from 700r4 to 4l60e.

Biggest difference for transfer cases: "light duty" automatic transmissions (4l60e) used a 27 spline input shaft on the transfer case, "heavy duty" autos (4l80e) and all manuals use a 32 spline.

There's 3 different transfer cases I know of for these trucks: NP241 - manual floor shift; NP243 - push button 4x4; NP246 - push button 4x4 PLUS automatic 4wd

As long as the spline count is correct any of them should bolt up. However, the electronics are not compatible.

They switched to 4l60e in 1993, 1992 was the last 700r4 in k1500’s. 4l80e’s were only in c2500 and k2500. NV series only came in the 3500’s and up i believe, but definitely they didnt come in c & k1500s. Yes the transfer cases in any 1500s series are NP241 for the manual floor shift. 95 i think or 96, cant remember now, is when they started the pushbutton 4x4 switching. Regardless, i already knew the answers to the questions i was asking.. i just wanted confirmation honestly. But if the specific things i mentioned werent enough to understand, there no reason to yell at me… a few “…???” Of them would have driven the point home much better in my opinion i believe.. that or a direct message ask me to clarify. Oh also, the only difference between a 700r4 and a 4l60e, is the “e”, its the same tranny, but the 4l60e is an electronic shift aspect. Its a 700r4 with electronic shift basically.

 

[Erik the Awful]

NV series only came in the 3500’s and up i believe, but definitely they didnt come in c & k1500s... Oh also, the only difference between a 700r4 and a 4l60e, is the “e”, its the same tranny, but the 4l60e is an electronic shift aspect. Its a 700r4 with electronic shift basically.

The 1500s had the NV3500 while the 2500s and 3500s had the NV4500. I have an NV3500 from a C1500 in my shop.

The 700R4 and 4L60 are the same transmission. The 4L60e is related and uses many of the same parts, but they have a different case. You are correct that it moved from being hydraulically controlled to being electronically controlled.

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[pandatruck]

Dude needs a hug not info apparently....

 

[Phr0stByte]

Dude needs a hug not info apparently....

 

[Idntfknkno]

I'm glad you got it worked out. @Schurkey was just trying to get the specifics so he didn't give you wrong information. That said, there's still a lot of variabilities in regards to transmissions. For example there's 4l60e, 4l80e, 700r4, NV4500, NV3500, etc... 1994 came with 4 transmission options: 4l60e, 4l80e, nv3500, and nv4500. It helps to be descriptive, for example I personally don't know what year they switched from 700r4 to 4l60e.

Biggest difference for transfer cases: "light duty" automatic transmissions (4l60e) used a 27 spline input shaft on the transfer case, "heavy duty" autos (4l80e) and all manuals use a 32 spline.

There's 3 different transfer cases I know of for these trucks: NP241 - manual floor shift; NP243 - push button 4x4; NP246 - push button 4x4 PLUS automatic 4wd

As long as the spline count is correct any of them should bolt up. However, the electronics are not compatible.

I have a similar question about the transfer cases, im looking at a 99 (obs) k3500 4x4 454tbi truck with, i think, a 4l80e or 85e idk, they tore the trans apart and are selling it like that. I was thinking about doing a relatively cheap 5 speed swap. I know ill have to flash the ecm/pcm, idk, but my Question is, can i use the transfer case (manual shift) and gear vendors overdrive (electric) unit it has with the nv4500 and if so will i also need different length driveshafts?

 

[JPVortex]

Dude needs a hug not info apparently....

Factual, that dude comes on here for the first time acting like he's owed something. Straight up throwing shade at one of the top members of this forum.

Like have some humility and act like a decent human being. 99% of us on this forum can do that. Why would he expect people to help him with such a bad attitude?

Just my 2 cents from scrolling on the forum

 

[MIHELA]

Schurkey was right to ask. There are 3 different NP241 variations in 1993-4. 4L60E 27 spline, 4l80E 32 spline with 3 pin switch, and manual 32 spline with 2 pin switch.

 

[Sean Buick 76]

How dare you lol