04 grand cherokee quadatrac only has 2 wheel drive

http://www.barnesandnoble.com/w/auto-repair-for-dummies-deanna-sclar/1100321754

read a book? first. see all ways to do it right and wrong?
or watch youtubers mess up.... 1/2 do...
question is which are the good TUBES.????
or
try google. see like 1million posts on this.
its infinite that.
better ! yes !
or read the FSM book,
here it is posted 100+ times.
again.
the real McCoy....
WJ jeep, 04

http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service

see chapter called Brakes.

that is because you have Part time 4wd? (what do you have)?
and must not drive on pavement free of ice.
its now winding up the drive train, bad for it too.

drive, to dirt, sand, gavel or grass and shift out of 4wd.
or jack up 1 tire, and same,
one tire must be on slippery surface. at least.

http://www.rubicon-trail.com/4WD101/driveline-bind.html

this happens on all PT 4wd
or using LOCK on AWD. dont.

sounds like the transfer case is broken.

I hope so, it shouldn't be in 4 wheel drive unless you need it, 2 wheel high is where it should be when driving habit are on city streets or highway driving.

on the 04 every 20k or u will lose mpg

If your in 4 low be sure to shift into nuetral first. Otherwise try backing up while shifting to 2 wheel drive

petrol or diesel

You can't put the transfercase in nuetral the car won't move its prolly a all time 4-wheel drive if there isn't a 2-wheel sign on the gear shifer then it's a all the time 4- wheel drive

No, not with out a lot of work. Electronics are most likely different on the 2 also.

That is up to your preference in my opinion. 4 wheel may give you a little more traction, but it can also lead you into a false sense of security. If heavy snow, and you need to get through it, you can only go as fast as the guy ahead of you anyway right? Up here in Ontario Canada, I passed by many a 4 wheel drive in the ditch, because they assumed they would have a better chance on icy roads than me, with 2 wheel drive. Remember this, no matter what you decide, you may be able to go a little faster in 4 wheel, compared to 2 wheel, but when you have to hit the brakes, or go into a spin, 2 wheel or 4 wheel drive, your not going to be able to stop it any faster. Your going to use more gas in 4 wheel too. Yes there will be times when you need to use it, but like I said, when it goes sideways or you have to lock up the brakes, because you were pushing the envelope too much,? At least with 2 wheel, you feel the back end break loose, to warn you how slippery it is, and you may not feel that soon enough, with 4 wheel. Just my opinion, but maybe some 4 wheelers have a different opinion. It's just like the experts from the skid school said up here about mandatory snow tires being talked about. If putting snow tires on your car is going to make you drive a little faster, your defeating the purpose.