luke87 Posted November 12, 2007 Posted November 12, 2007 I just bought another Comanche. its an 89' sportruck 4x4. this is gonna sound stupid and I know I'm a noob, but i have no idea how to get it into 4x4. The lever on the center hump on the floor will only go to 4hi. the lever will not go past the 4hi spot. how do i engage to get to 4low and then how do i disengage? the only other truck I've driven with 4x4 was my dads truck but that was a 2003 silverado. i don't have a clue as to how to work this system. Please help!
JeepcoMJ Posted November 12, 2007 Posted November 12, 2007 to get it into 4 low, you pull it to 4 hi, then move it over to the right, then back again into 4 low
StevenH Posted November 13, 2007 Posted November 13, 2007 And also, with the 231 transfer case the truck has to be sitting still. It doesnt have shift-on-the-fly capabilities and you can't force the shifter or it will crack the case.
Pete M Posted November 13, 2007 Posted November 13, 2007 The 231 is shift-on-the-fly for 4wd-hi, but not for 4wd-lo. But with that being said, mine usually needs to be rolling at a couple mph to get it to engage into 4wd-lo.
JeepcoMJ Posted November 13, 2007 Posted November 13, 2007 And also, with the 231 transfer case the truck has to be sitting still. It doesnt have shift-on-the-fly capabilities and you can't force the shifter or it will crack the case. like this? :brows: you may have to be moving slowly to get into 4 hi, but will need to be stopped to get into 4 low.
89eliminator Posted November 13, 2007 Posted November 13, 2007 to get my 231 into low, it usually has to be in park. if it still doesn't go, i'll throw the tranny into Reverse then quickly into Neutral, then shift into low.
StevenH Posted November 13, 2007 Posted November 13, 2007 That is what could happen when the case cracks!! Most of the time it's just a small crack and the only way you know it's there is because it leaks fluid like a sifter. And also, with the 231 transfer case the truck has to be sitting still. It doesnt have shift-on-the-fly capabilities and you can't force the shifter or it will crack the case. like this? :brows: you may have to be moving slowly to get into 4 hi, but will need to be stopped to get into 4 low.
TNT Posted November 13, 2007 Posted November 13, 2007 About a 1-2mph roll with the transmission in neutral is the proper way to shift from 4wd-hi to 4wd-lo. The gears are slowly turning which allows them to mesh easily.
StevenH Posted November 13, 2007 Posted November 13, 2007 Another thing that we forgot is don't shift from 2HI to 4HI while the rear wheels are "spinning out" (spinning faster that the front wheels) that will cause you to hear popping sounds that are not good. :D Same way shifting back into 2wd, don't do it while the wheels are spinning out. Say if you are stuck in some mud and spinning your wheels, you cannot shift into 4wd while the rear wheels are spinning.
TNT Posted November 13, 2007 Posted November 13, 2007 That is what could happen when the case cracks!! Most of the time it's just a small crack and the only way you know it's there is because it leaks fluid like a sifter. And also, with the 231 transfer case the truck has to be sitting still. It doesnt have shift-on-the-fly capabilities and you can't force the shifter or it will crack the case. like this? :brows: You may have to be moving slowly to get into 4 hi, but will need to be stopped to get into 4 low. Thats what happens when you drive in 4wd-hi on dry pavement.... A properly functioning NP231 is meant shift from 2wd high to 4wd-hi on the fly. A NP242 case will shift on the fly from 2wd high to 4wd-fulltime to 4wd-hi at 85 mph+. :brows:
StevenH Posted November 13, 2007 Posted November 13, 2007 Yeah the shift on the fly I was referring to for him was the question he asked about shifting into low range. On my dana 300's twinsticked I could float it into low range while I was driving, you have to shift to a higher gear first on a manual transmission then float it into low. You may even have to shoot it a little throttle to get in there smooth. Just don't try that with the 231 case :D this is the first 4wd auto I have had, shifting it is a little different than a manual... I was the same way as he is about it not shifting into low.
Oizarod115 Posted November 13, 2007 Posted November 13, 2007 yeah, mine's a stick and i put her in nuetral, yank up 4hi at 50mph... its meant to, that way you can pull off the road onto a trail then slow to 2-3mph in N and C#*@ back ot 4lo
Pete M Posted November 13, 2007 Posted November 13, 2007 Neutral? Oh that's right. I didn't even think about the fact that I punch the clutch pedal when I go into lo. Shows you how long it's been since I've wheeled one of my MJs. :(
Oizarod115 Posted November 13, 2007 Posted November 13, 2007 Neutral? Oh that's right. I didn't even think about the fact that I punch the clutch pedal when I go into lo. Shows you how long it's been since I've wheeled one of my MJs. :( i just slip it into N to be safe, hitting the clutch works too though
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