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Originally Posted by wafrederick
The fulltime 4x4 is only in the ones with a V8.The ones with the 4.0 have the part time 4x4.
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I have a 98 Grand Cherokee Laredo with a 4.0L and I have the option of 2WD, Part-Time 4WD, Full-Time 4WD, and Part-Time 4WD Lo. The Quadra-Trac 4WD systems are on the Grand Cherokees with the V8 and the Selec-Trac is on the Grand Cherokees with the I6. However you can have the Selec-Trac on either the Laredo model or the Limited model. I have the Selec-Trac. I almost bought a Grand Cherokee Limited with the V8 and it had the Quadra-Trac, however I hear these have a lot of transmission problems. Even this one that I was about to buy had the transmission replaced and it only had 84,000 miles on it.
You are also not supposed to use Part-Time 4WD on dry surfaces. It says it in big bold letters in the Owner's Manual. Part-Time 4WD is only use in Low Traction situations such as mud and heavy snow. Full-Time 4WD can be used in any condition. If you want ALL the wheels to spin, then either A. Buy locking differentials and install them with the proper transmission and transfer case or B. Buy a vehicle that has ALL WHELL DRIVE (AWD). That is the difference between AWD and 4WD. AWD is where every tire receives 100% power ALL THE TIME and usually has a V8 engine (such as the Ford Explorer Limited/Eddie Bauer Edition). 4WD is where two wheels spin at the same time: either the REAR right wheel or FRONT left wheel or vice versa. Depending on which direction the front wheels are pointing or what gear you are in (reverse or drive) decides what wheels spin when.