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Quadra drive transfer case - Cars & Trucks

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Posted on Jan 02, 2017

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BCally1
  • 133 Answers

SOURCE: How Does Quadra Drive Work?

Under normal driving conditions, the system operates conventionally, and the majority of available torque is applied to the rear wheels. However, when front-to-rear wheel speed variations exist, the progressive differential transfers torque to the axle with the better traction, thus minimizing wheel spin and maximizing control.
The key to this design is a progressive coupling Progressive Coupling , which is supplied with pressurized oil by a gerotor style pump. The pump rotor and case are driven by the front and rear driveshafts respectively, and deliver pressurized oil flow to the coupling in proportion to their speed difference. The progressive coupling contains a multi-disc clutch pack that is alternately splined to the front and rear driveshafts, and controls torque variation between the front and rear driveshafts as dictated by the pump.
A set of orifices and valves control the speed-differential starting point and rate of torque transfer rise in the clutch. This allows the system to disregard the normal speed differences between axles that result from variations in front-to-rear loading and typical cornering.
Transfer case operating ranges are selected with a floor mounted shift lever. The shift lever is connected to the transfer case range lever by an adjustable cable. Range positions are marked on the shifter bezel plate

Posted on Jan 10, 2009

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BCally1
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SOURCE: Jeep grand cherokee 247 Transfer case Interchange ?

if the shifter is the same and they have the same front driveshaft then yes

Posted on Jan 10, 2009

  • 6982 Answers

SOURCE: i have a 1997 jeep grand cherokee. it has quadra

Possibly, but there may be a difference in the spline count on the coupler you'd need to deal with. There is a lot of info on swaps at jeepforums.com that may be helpful to you in that regard.

Posted on Apr 30, 2010

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1 Answer

My 4 wheel drive no longer works.


WJ jeeps.
what mode? 4h, 2l lock >?
why not just drive it and get it all loose and happy first.
get the gearlube hot, see if it wakes up, i bet it does.
there is no vacuum hose. that is part time. used long ago.
vacuum ended in 1995 with command trac.
the newer cars the front axle is cut out, inside the transfer case front end. ending vacuum and now electric.

Select track (stay off dry pavement in 4wd)
Quadra-Trac-II NV 247 Gerodisc system 1999+
Quadra-Drive NV247
if quada stay out of low or lock.

read this page,. and discover what you have.
or go under car, see that transfer case, see that silver and red tag
that is the NV number. what is yours>?
we can not guess options. ever.

http://en.wikipedia.org/wiki/Jeep_four-wheel-drive_systems

which one of 4.
http://www.wjjeeps.com/tcases.htm



Mar 08, 2015 | 1999 Jeep Grand Cherokee Limited

2 Answers

What type fluid goes in transfer case of 96 grand cherokee


SELECT TRAC USES MOPAR PLUS 4 OR EQUIVALENT. THE QUADRA TRAC USES MOPAR TRANSFER CASE FLUID OR EQUIVALENT.

Aug 08, 2010 | 1996 Jeep Grand Cherokee

1 Answer

What fluid goes in the transfer case of my 94 jeep grand cherokee larado?


on a select trac---mopar plus 4 atf or equivalent, quadra trac----mopar transfer case fluid or equivalent,

Jan 23, 2010 | 1994 Jeep Grand Cherokee

1 Answer

How to shift into 4 LO in 2004 jeep grand cherokee


The correct procedure should be described in detail in your owner/operation manual.
For a 2004, 90 % sure that if it's a quadra trac you have to immobilize the vehicule, put your transmission shifter to neutral keeping foot on the brake obviously, engage the low on transfer case pulling the transfer case shifter, engage the transmission to drive
If it's a select track, normally you have to keep the vehicule moving very slowly (2 mph), move the transmission shifter to neutral, push the transfer case shifter to the right and pull it firmly. Once transfer case engaged, put back the transmission shifter to drive.
It could take few seconds to engage and disengage depending on the temperature and road condition. Do not try it on dry surface (preferable on mud, snow and wet surface). Drive at low speed because you will feel that it's very low geared.
By the way, follow the reverse process to reestablish normal mode

Hope it will help
Dan

Dec 21, 2009 | 2004 Jeep Grand Cherokee

2 Answers

What kind of ATF goes in my 1992 cherokee?


Use ATF+4

Do not use Dexron or Mercon

Aug 08, 2009 | 1992 Jeep Cherokee Sport

1 Answer

Quadra Trac II 4 wheel drive problem


Oil is added to transfer case through a plug usually located about half way up the back of the case.
When making a diagnosis, a good tech relies upon previous experience matching that to known symptoms, then upon teardown to verify his ideas. A good working knowledge is essential so the tech can picture in his mind what is happening inside the unit.(i once knew an old tech who could sit in the shop office and make a correct diagnosis as another tech drove a vehicle into the shop) That's rare, but there are good people out there! Your coupler may have to be removed, but that largely depends upon what the shop sees and feels.
Good luck

Apr 20, 2009 | 2000 Jeep Grand Cherokee

2 Answers

How Does Quadra Drive Work?


Under normal driving conditions, the system operates conventionally, and the majority of available torque is applied to the rear wheels. However, when front-to-rear wheel speed variations exist, the progressive differential transfers torque to the axle with the better traction, thus minimizing wheel spin and maximizing control.
The key to this design is a progressive coupling Progressive Coupling , which is supplied with pressurized oil by a gerotor style pump. The pump rotor and case are driven by the front and rear driveshafts respectively, and deliver pressurized oil flow to the coupling in proportion to their speed difference. The progressive coupling contains a multi-disc clutch pack that is alternately splined to the front and rear driveshafts, and controls torque variation between the front and rear driveshafts as dictated by the pump.
A set of orifices and valves control the speed-differential starting point and rate of torque transfer rise in the clutch. This allows the system to disregard the normal speed differences between axles that result from variations in front-to-rear loading and typical cornering.
Transfer case operating ranges are selected with a floor mounted shift lever. The shift lever is connected to the transfer case range lever by an adjustable cable. Range positions are marked on the shifter bezel plate

Jan 08, 2009 | 2000 Jeep Grand Cherokee

1 Answer

Jeep grand cherokee 247 Transfer case Interchange ?


if the shifter is the same and they have the same front driveshaft then yes

Jan 07, 2009 | 2001 Jeep Grand Cherokee

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