Question about 1995 Jeep Grand Cherokee

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How to replace front joint at diff. on quadra- trac 4x4?

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  • Jeep Master
  • 20,706 Answers

Is this as spindle
or the front prop shaft.
why not read all steps in the FSM for this car.
posted like 200 times now, ever search?

jeep, zj, post 201

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

2nd page shows prop shafts.
RTM
then ask questions not clear there.
or at alldata.com
or at real FSM page here.

https://www.techauthority.com/en-US/Pages/Home.aspx


FSM means real OEM factory service manual.

Posted on Mar 30, 2015

  •  johnny rebel
    johnny rebel Mar 31, 2015

    what a freakin jerk this cadaver is,he expects everyone that posts a question to be smart as him,because he is BOOK smart,he got an edjumacation!!!,yeah,cadaver,stop treating ppl like cra p!!

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1 Answer

1996 Ford f150 4x4 passenger front u-joint replacement


remove the stub axle and pull the axle out of the diff housing. "U" removal/replacement is the same as if doing a drive shaft joint.

Aug 10, 2014 | Cars & Trucks

1 Answer

Why can't my 2006 jeep go into 4 wheel drive?


are you on dirt? or pavement...????????????????????????
we cant answer until you answer what 4wd option you have.
if that makes no sense, then read the operators guide,
it tells you what's there and how to use it.
read that first, then ask questions,?
and if Part time 4wd?, it';s not to be used on dry pavement only ICE.

eg:

4WD: Select-Trac (or older Select-Drive has a slip coupling too, NP129/229) is AWD in that, "the "4Hi" setting the drive shafts were coupled together using a viscous-type coupler " this anti wind up slipper"
Watch out for exception 1: Select-Trac NP228 based jeeps, it does not have a viscous-type limited-slip coupling. It was used briefly in 1986.
Quada-Trac is full time 4WD (not in lock mode) has a real center differential to shift torque between front and rear. This is the best system , not just a slip clutch as above. Then went BACK to the slipper in 1980. (odd huh?) Up to 1998.
Quadra-Trac-II "4-All Time", "N" or neutral, and "4-Lo". In "4-All Time", torque is applied to the rear wheels under normal driving conditions.
If the rear axle starts rotating at a significantly higher rate than the front axle, hydraulic pressure builds up in the gerotor oil pump and causes the clutch pack, to progressively transfer torque to the front axle, until both axles return to the same speed
Quadra-Trac I was introduced in 2004-10, same as above but is automatic with no driver controls ,like above.
The Quadra-Drive system was introduced in 1999 and is based on the Quadra-Trac II system but adds limited slip differentials (the best full time system ,with great traction to all wheels all the time) 1999 to 04.
Quadra-Drive-II has electronic limited slip differentials or ELSDs 2005 up.

Aug 01, 2014 | 2006 Jeep Grand Cherokee

1 Answer

Why wont my jep go into 4 wheel drive when I pull th lever?


which system?
we cant guess what is In YOUR CAR, ever.
you must SAY. or RTM, in the glove box.
and why are you using 4wd on dry pavement, now>?


4WD: Select-Trac (or older Select-Drive has a slip coupling too, NP129/229) is AWD in that, "the "4Hi" setting the drive shafts were coupled together using a viscous-type coupler " this anti wind up slipper"
Watch out for exception 1: Select-Trac NP228 based jeeps, it does not have a viscous-type limited-slip coupling. It was used briefly in 1986.
Quada-Trac is full time 4WD (not in lock mode) has a real center differential to shift torque between front and rear. This is the best system , not just a slip clutch as above. Then went BACK to the slipper in 1980. (odd huh?) Up to 1998.
Quadra-Trac-II "4-All Time", "N" or neutral, and "4-Lo". In "4-All Time", torque is applied to the rear wheels under normal driving conditions.
If the rear axle starts rotating at a significantly higher rate than the front axle, hydraulic pressure builds up in the gerotor oil pump and causes the clutch pack, to progressively transfer torque to the front axle, until both axles return to the same speed
Quadra-Trac I was introduced in 2004-10, same as above but is automatic with no driver controls ,like above.
The Quadra-Drive system was introduced in 1999 and is based on the Quadra-Trac II system but adds limited slip differentials (the best full time system ,with great traction to all wheels all the time) 1999 to 04.
Quadra-Drive-II has electronic limited slip differentials or ELSDs 2005 up.

Aug 01, 2014 | 2006 Jeep Grand Cherokee

1 Answer

Jeep grand cherokee quadra drive


Differentials.

The Jeep Quadra Drive systems have a limited slip differential in the transfer case as well as the front and rear axles - which allows you to run all wheel drive on all surfaces. This matters because without limited slip capability your transfer case & axles would break.

Have your transfer case and axles serviced by a dealer, really a real dealer for Chrysler Jeep. These diffs and transfer cases can use unique gear oils that you don\'t want to mix up with regular gear oil.

That howling, clunking, grinding noise is your dog-clutches slipping (as designed) as you go around the corner.



Additional Details below:

So what\'s the Diff?



All differentials are is a way to allow for different wheels to travel different distances on the same vehicle. What-he-say? Yep, when we turn a corner all 4 wheels go a different distance around that corner... oh yeah well everybody knows that. Think about it, your making that hard left turn at your favorite Fast-Food joint; your left front wheel is 2 feet away from the curb, but the back left wheel rubs the curb... why?

As you make that 90 degree turn, your left back wheel travels 4 feet, your left front wheel travels 6 feet, your right rear wheel travels 7 feet, and your right front wheel travels 8 feet.



Ok you say, what\'s the big deal? A couple feet slip here a couple of feet slip there... Well remember your sticky rubber tires on dry asphalt don\'t really give very much and u-joints, axles shafts, and even pinion and ring gear damage can occur. Fortunately for us, Leonardo DaVinci (yeah really) saw this problem coming and designed the Open Differential. There are mini-gears inside your open differential that allow for that slippage, these mini-gears are called spider gears. Problem is when your in snow, ice, mud the spider gears of the open diff allow all your power to go to the wheel with the least traction (and your stuck).

Ok let\'s put another powered axle up front and call it 4x4. Umm no.

A normal 4x4 is not really true four wheel drive. At best it\'s the worst 2 wheels you\'ve got - driving you forward. Until both wheels on the same side are in a ditch, and your stuck.



Well what the heck Leonardo? I want something better than stuck!



The old-time dragster dudes of the 50\'s & 60\'s agreed with you and they welded those little spider gears together for true positraction across both wheels. Ever been close to a big monster truck in a parking lot and heard its tires chirping around the corner? Or an old Jeep crow-hopping it\'s way around a corner - Letting out little tire noises (like "erp" "erp" "erp")?

That\'s because these 4x4\'s have been modified to not have any differential action. None. This is great in a 1/4 mile dragster race or a mountain climbing rally car. A locked front differential can (and most likely will) cause you to crash... not good for daily drivers.



You\'re in luck, the Limited Slip Differential (LSD) has clutches instead of spider gears, which engage as wheel slippage increases. Subaru and Audi are 2 companies that really brought this to market with All Wheel Drive decades ago. Jeep and other SUV/Pickup manufacturers have utilized clutch-based LSD\'s as well. Clutch-based LSD\'s however, have a limited lifespan and can require special gear oils. When Clutch-based LSD\'s fail, they basically become an Open Diff.



Automatic locking differentials were brought to market in the 70\'s & 80\'s by companies like Detroit Locker, and these engage a fully locked set of gears as soon as any slippage occurs. Problem is it can become very difficult to steer, at all. Forget about U-turns, just go around the block. And while your at it, stop and pick up another set of tires because it will feel like you are dragging your outside tires around every corner.



Jeep and Daimler-Chrysler developed another type of LSD that utilizes a small hydraulic pump to engage a set of clutches and gears, which lasts much longer than traditional LSD\'s. It was called a Gerodisc differential, and it worked fairly well. Not as much traction as a full locker, but good LSD performance. The problem was the Gerodisc couldn\'t control itself in the car-washes, and would build-up pressure as the tires slipped over the soapy rollers, and launch the Grand Cherokee across the car wash. Yeah, it was freaky. So freaky that the National Car Wash Association of America (yeah they have an association, who knew?) prohibited all Grand Cherokees. Look it up.



The King Daddy of differentials is the selectable locker. These little gems are very expensive, but you get all the benefits of both the open diff for maneuvering, and lockers for traction only when needed.



So that noise, while it may not spell imminent doom, surely ain\'t good.

Jan 02, 2014 | Cars & Trucks

1 Answer

2007 toyota hilux 4x4. Bad whining and vibrations in front end while driving. Feels like front diff trying to lock in. Any ideas. Taken to few 4x4 mechanics they say never heard of it before!!!


check the bushes / bearings that are in the end of the diff housing for shaft wear. Check the cv joints for wear. check shafts for bent . check front wheel bearings and adjustment. Check the drive shaft from the transmission to the front diff as they are prone to u-joint failure and excessive wear in the slip joint.

Dec 26, 2013 | Cars & Trucks

1 Answer

98 jeep grand cherokee limited 5.9 auto 160k miles quadra trac 1


if your front shafts are the u joint type i bet one of them is bad. it will cause a kind of twitching feeling and binding while turning if they fail.

May 12, 2017 | 1998 Jeep Grand Cherokee

2 Answers

1999 Jeep grand cherokee limited with Quadra trac only works as two wheel drive when all wheel is selected and will not go into 4-lo. Sounds like it isn't engaging fully and feels like the lever should go...


Could you tell me what selection you have on your 4x4 shifter?

You have 4 high (full time) N 4 Low and nothing else?

Quadra only sends power to the front axle when it is needed, it uses a hydraulic unit that senses slip then send power to the front.

You also need to make sure your getting it in to gear right, for me I found that getting to 4 low can be hard as they tend to bind, move the 4x4 shifter to N take your foot off the brake and pull it into 4 low, do the same getting back out.

I have owned every 4x4 Jeep T case in Grands from 93 to 02 they offer fantastic traction and options and are strong.

Make sure your T case fluid is full, if you have never changed it DO SO, as dirty fluid plays hell on them, if you do have Quadra trac you need to get the correct fluid for the case, go to your Jeep dealer and get it, DONT put trans fluid in as this dose not work right with the system.

If you want "Locked" run the system in 4 low, as heavy off road in 4high with Quadra is not the best for heavy off road, use 4 low to that.

If you need more help just ask, I hope this worked.

1993 2HI N 4LO, 1998 5.9 LX Quadra trac with limited slips 2000 2HI, 4HI full 4HI part N 4LO 2002 Limited with Quadra with Vari-Lok differentials.

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Nov 24, 2010 | 1999 Jeep Grand Cherokee

1 Answer

1999 Jeep G C Quadra Trac keeps getting stuck in 4 wheel drive.


universal joint on the driveshaft may do this !
check transmission fluide as well.
good luck

Mar 31, 2009 | 1999 Jeep Grand Cherokee

1 Answer

How do I activate the 4 wheel drive for snow highway driving?


They didn't make Grand Cherokees in '86, so I assume you mean '96?

I'm also assuming it is indeed a 4x4 and not a two wheel drive...sorry, I have to ask!

All the V8's GC's were Quadra-Trac. Please confirm this with what is label on your shifter. If so, it should say "4Hi, N, and 4Lo".

The Quadra Trac system has a viscous coupling. Meaning, that when the rear wheels start to slip, it heats the coupling up, and engages the front wheels.

This system typically put about 95% of the power to the rear wheels, and only about 5% goes to the front during normal driving, so it's essentially in 2wd mode.

When you put the transmission shifter into neutral, and pull your transfer case down to 4lo, then you have all four wheels locked. Do not drive like this on dry pavement.

To answer your questions, the 4x4 should automatically engage when the rear wheels start to slip. It is a seamless transition and you really won't be able to tell.

If you're in real bad snow, then pull it down to 4lo. That'll lock all four wheels in and give you greatest traction.

Drive safe.

Jan 21, 2009 | 1991 Jeep Wrangler

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