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1999 Jeep Grand Cherokee WJ Easy Suspension Upgrade

Front View
Christian Lee | Writer
Posted February 1, 2012

Installing the Rough Country X-Series Grand Cherokee WJ System

Not all suspension upgrades have to be difficult. When exploring lift options for our daily driver, a 1999 Jeep Grand Cherokee WJ, we simply wanted to fit a slightly larger tire while improving the ride on both the highway and the trail. We also wanted to accomplish this task using our stock wheels and with minimal vehicle down time.

We’ve used Rough Country Suspension products in the past and have been impressed with what’s included in the package for the price, as well as with the performance of the products. These experiences led us to Rough Country’s 4-inch X-Series Grand Cherokee WJ System, which is equipped with Rough Country’s front lower adjustable control arms with X-Flex joints and Performance 2.2 Series shocks.

The Rough Country system includes everything needed to properly raise 1999-to-2004 Grand Cherokees. Front components include coil springs, lower adjustable control arms with X-flex joints, extended sway-bar quick disconnects, bumpstop spacers, an adjustable track bar, transmission crossmember spacers, and installation hardware. The rear also gets coil springs, along with an upper control arm bracket, bumpstop extensions, sway-bar drop brackets, a rear shock relocation kit, and installation hardware. Rough Country’s Performance 2.2 Series shocks for the front and rear are also included with the kit.

We really like the new ride provided by the Rough Country X-Series system. The spring rates are ideal for daily driver rigs that like to weekend in the dirt, offering a nice highway ride that remains controlled on the trail. We also really like the Rough Country Performance 2.2 Series shocks that are application-tuned for the X-Series system. The kit is designed to fit 265/75 size tires on factory wheels. Rough Country includes rear lower shock relocation brackets so the shocks won’t rub the rear tires.

Grand Cherokee models equipped with the factory CV-style front driveshaft may result in some driveshaft vibration. If this occurs, replacing the front driveshaft and axle and transfer case yokes/pinion flanges is recommended in order to alleviate the issue. We are experiencing this vibration and will fix the problem with new front and rear driveshafts and yokes from Tom Wood’s Custom Drive Shafts.

During the suspension installation we also noticed a heavy leak from the transfer case front seal and the driver’s side front axle seal. Since we have more than 125,000 miles on the dial, we’ll also explore a transfer case rebuild and address some of the weaker points of the front and rear axles. Look forward to these articles and more as we outfit our Grand Cherokee WJ to be used as a family adventure vehicle.

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Sources

Off-Road Evolution
Fullerton, CA 92833
714-870-5515
www.offroadevolution.com
Falken Tire
Fontana, CA 92335
800-723-2553
www.falkentire.com
Rough Country Suspension
Dyersburg, TN 38024
800-222-7023
www.roughcountry.com
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