transfer case question

[HammsBoy]

the light on my dash stays on that says "PART TIME". My transfer case lever says it's in 2H. What could it be and How do I fix it? thanks, John

[red91]

231 or 242 ?

[HammsBoy]

i think a 231, has 2h, N, 4h, 4l

[Yucca-Man]

That's a 231.

What Year? I don't recall, but won't a disconnected vacuum line do that on the early D30?

[HammsBoy]

It's a 91, just lifted and new motor installed so it is probably something simple just haven't had time to look into it........

[Yucca-Man]

Crawl up underneath the passenger side of the front axle and look for a large bulgish assembly on the back near the control arm. There *should* be a vacuum line coming down the lower control arm from the t-case that attaches to the bulge on the axle. That's your vaccum shift assembly that fortunately was deleted soon after...but if it's loose or disconnected at either end you won't get 4wd. I also think that will cause the light to come on, but that's an odd tidbit that may be misremembered from years ago...

[HammsBoy]

I'll go out and check that out at lunch time. Is there an inexpensive way to go to a manual type switch and do away with the vacuum lines?

[Eagle]

I thought '91 was the first year they didn't use the disconnect with the 231. In any event, my experience has been that with a vacuum leak the light won't go on because the disconnect won't engage. If the light stays on, I don't know if that's an indication that the disconnect is engaged and won't disengage due to lack of vacuum, or if it indicates a different problem.

If there's no vacuum disconnect on the axle, look for a switch to control the light right on the transfer case.

[HammsBoy]

here is what I have on the axle............could the lines just be reversed?

http://img321.imageshack.us/img321/5194/vacuum4jq.jpg (http://www.imageshack.us)

[Mercenary]

I think 92 was the first year for the non-disco axles. If you want a system that eliminates the vacuum disconnect, check out...

www.4x4posi-lok.com

I don't know if its cheap, but it will do the trick.