Second Generation: 2007+ Jeep Wrangler Unlimited

7 Jan 2015 | Author: | Comments Off on Second Generation: 2007+ Jeep Wrangler Unlimited
Jeep Wrangler

Second Generation: 2007-2010 Jeep Wrangler Unlimited

The Jeep Wrangler Unlimited had:

46 cubic feet of cargo space, beating Hummer H3, FJ Cruiser, and Nissan Xterra

Quick open-air (and doorless) driving

Four doors, 37 inches of rear legroom

Enhanced axles, transfer cases, axle lockers, and disconnecting front sway bar; better clearance

Frame with double the stiffness as the original Unlimited

Electronic Stability Program (ESP), electronic roll mitigation and Occupant Classification System (OCS); optional seat-mounted side air bags

2011 Jeep Wrangler changes

An “all new interior” debuted; numberous option and package changes were made. Rubicon got “Rock-Trac®” 4×4 which uses a Dana 44 axle, Tru-Lok locking differentials (front and rear), and NV2410R transfer case with 73:1 crawl ratio, electronic sway bar disconnect, 4:1 gear ratio.

Standard Wrangler 4x4s got Command-Trac IВ®, with shift-on-the-fly 4WD (at speeds under 60 mph), low gear, and neutral setting for towing without uncoupling the driveshafts. In low gear, torque is multiplied by 2.72:1. The front axle is a Dana 30, the rear axle is a corporate 8.25 axle; a Trac-Lok differential is available.

Jeep Wrangler Unlimited (general)

The 2007-2010 Jeep® Wrangler Unlimited had room for five adult passengers a Wrangler first and the most cargo space ever offered in a Wrangler.

“Combining four-door convenience with Wrangler’s unique open-air design and unmatched off-road capability, the 2007 Jeep Wrangler Unlimited is the only four-door convertible on the market,” said George Murphy, Senior Vice President Global Brand Marketing, Chrysler Group.

The Wrangler Unlimited added a full 20.6 inches to the standard 2007 Wrangler’s 95.4-inch wheelbase. The additional length allowed for a larger rear seat with three positions, as well as more hip, leg and shoulder room, as well as nearly triple the rear cargo space.

In both two-wheel drive and four-wheel drive, Jeep Wrangler Unlimited utilized the same five-link solid-axle suspension configuration as the standard 2007 Jeep Wrangler. The Unlimited also retained Wrangler’s removable full-framed or half doors, exposed hinges, fold-down windshield and innovative removable and convertible tops.

There were three models: Wrangler Unlimited X, Sahara and Rubicon, with hundreds of different top, door and windshield combinations. In addition, nine exterior colors and available 16-, 17-, or 18-inch wheels were available.

“No other vehicle in the world can replicate the 2007 Jeep Wrangler Unlimited’s unique combination of best-in-class off-road capability, open-air fun and everyday convenience and versatility,” said Mike Donoughe, Vice President Body-on-frame Product Team. “Whether it’s used as a daily driver or for extreme rock crawling, Jeep Wrangler Unlimited has the ability to turn mountains into mole hills, while comfortably carrying passengers and gear.”

Providing easy entry and exit, all four doors on the 2007 Jeep Wrangler Unlimited were front-hinged, with inside and outside handles, and windows that traveled all the way down. Rear doors featured exposed forged hinges, open a full 90 degrees, and provided a 26.5-inch wide opening. Rear seat passengers had a 33-inch front-to-rear couple distance and 37.2 inches of legroom.

Rear seats split 60/40, and easily folded flat, creating 83 cu. ft. of total storage volume.

With rear seats in the upright position, Jeep Wrangler Unlimited featured 46.4 cu. ft. of cargo space behind the rear seat, providing more cargo space than the 2007 Toyota FJ Cruiser, 2006 Hummer H3, or 2006 Nissan Xterra. A new lockable underfloor storage area secured personal items out of sight.

Identical to the standard 2007 Jeep Wrangler, Jeep Wrangler Unlimited featured an instrument panel, center stack and high-back front bucket seats. The front-seat area provided 54.6 cu. ft. of space, providing 5.1 inches more shoulder room and 4.6 inches more hip room compared to 2006 Jeep Wrangler models.

SEMA Jeep Wranglers for 2008 and 2009: Lower Forty and Overland Camper

The Jeep Wrangler Overland concept replaced the 2009 Jeep Wrangler Unlimited Rubicon’s rear seats with a large, flat, rubberized utility floor. A new ARB two-person Simpson II rooftop-mounted tent and touring awning was mounted to the back. The interior of the Jeep Wrangler Overland featured water-resistant Mopar front-seat covers, rugged Mopar slush mats, a Daystar dash bin and lower switch panel that powers added accessories.

An American Expedition Vehicles’ (AEV) Nth Degree, 3-inch suspension lift and a Full Traction rear sway bar increased off-road prowess. The lift allowed aggressive 35-inch tires mounted on 17-inch steel Mopar winter/off-road wheels to fit under the Jeep. Additional off-road protection at the front and rear was provided by AEV steel bumpers and for added security, a Warn 9.5ti winch.

An AEV Jeep Wrangler heat-reduction hood and snorkel kit provided desert resistance. Mopar windshield-mounted off-road lights and Daystar bumper-mounted lights provided additional lighting for nighttime and off-road driving.

Lower Forty

The Jeep “Lower Forty” had 40-inch x 13.5-inch tires mounted on Mopar’s 20-inch forged-aluminum wheels, on a stock Jeep Wrangler Rubicon without a suspension lift, adding ground clearance without dramatically altering the center of gravity. Body metal was removed to make room. Three inches were chopped from the windshield frame and a 10-degree rake was added.

Front and rear fender flares were 1-inch wider and higher than a stock Jeep Wrangler. A new one-piece carbon-fiber hood with a Jeep CJ-like power dome and a new drop-down tailgate completed the exterior design. The paint was Red Eye No.

3, a custom color.

Inside, a new roll cage was neatly tied directly into the frame rails. The spare tire was relocated to the cargo floor and a custom cargo rack held extra gear. Custom touches included a color-matched center console and instrument panel.

Seats were re-covered with Mopar’s Katzkin leather package. Replacing the carpet was a spray-in truck-bed liner.

Mechanical upgrades came directly out of the Mopar catalog. The Jeep “Lower Forty” had a new 5.7-liter HEMI® V8 engine and a Getrag 238 six-speed manual transmission. Powertrain installations were handled by Burnsville Off-Road using an AEV 5.7-liter HEMI V-8 conversion kit.

The Mopar-supplied Dana 44 front axle and a Dana 60 rear axle, fitted with 5.38 gears and ARB air lockers, were assembled by Dynatrac.

Sunrider and Freedom Tops

A new, three-piece modular hardtop Jeep’s Freedom Top™ featured three removable panels for a variety of open-air driving configurations. The left- and right-front passenger panels may be stored inside the vehicle, while the rear section remained in place or could be removed separately.

“Whether removing one of the Freedom Top panels or flipping back the Sunrider soft top, the 2007 Jeep Wrangler Unlimited provides owners the flexibility to conveniently experience open-air driving in less than 30 seconds,” said Donoughe.

The 2007 Jeep Wrangler Unlimited also featured a standard Sunrider™ soft top, which included a “sun roof” feature as well as the full top-down option. This soft top provided a second open-air option by folding the soft top back completely over the first- and second-row occupants, creating a 55×60-inch sun roof opening an opening 30 inches longer than the standard 2007 Jeep Wrangler Sunrider top.

Better Off-road Capability . Jeep Wrangler Unlimited for 2007

Even with the additional 20.6-inch wheelbase length, the 2007 Jeep Wrangler Unlimited achieved off-road leadership among all SUVs in its class. Superior ground clearance combined with short front and rear overhangs enabled Jeep Wrangler Unlimited to navigate the most rigorous off-road trails.

The 2007 Jeep Wrangler Unlimited featured a best-in-class approach angle of 44.4 degrees, breakover angle of 20.8 degrees, and best-in-class 40.5 degree departure angle all more than worthy of negotiating extreme obstacles. Additionally, Jeep Wrangler Unlimited offered an available electronic-disconnecting front stabilizer bar Active Sway Bar System (ASBS) delivering a 28-percent increase in wheel travel.

“A long list of proven 4×4 hardware essential components among off-road enthusiasts underscores the 2007 Jeep Wrangler Unlimited’s off-road capabilities,” said Donoughe. “From beefy axles and heavy-duty transfer cases with low gear ratios to locking differentials, Jeep Wrangler Unlimited has more mettle than any other vehicle, and more than enough to conquer a variety of off-road challenges, right out of the box.”

The highly capable underpinnings of Jeep Wrangler Unlimited X and Sahara models included an enhanced Dana 30 front axle and Dana 44 rear axle each featuring larger pinion shafts, pinion bearings and axle joints for increased durability compared to its predecessor. Engineered to take on the most demanding trails, the 2007 Jeep Wrangler Unlimited Rubicon model featured enhanced heavy-duty Dana 44 front and rear axles, which also featured larger pinion shafts, pinion bearings and axle joints.

Providing armor for the 2007 Jeep Wrangler Unlimited’s underbody components were three skid plates protecting the fuel tank, transfer case and automatic transmission oil pan. Two-wheel-drive Jeep Wrangler Unlimited models featured one skid plate to protect the fuel tank.

Four-wheel-drive Jeep Wrangler Unlimited X and Sahara models featured the second-generation Command-Trac® NV241, part-time, two-speed transfer case, featuring a 2.72:1 low-range gear ratio. An optional Trac-Lok® limited-slip rear differential provided extra torque and grip during low-traction situations.

The 2007 Jeep Wrangler Unlimited Rubicon model featured an Off-Road Rock-Trac™ NV241 two-speed transfer case with a 4.0:1 low-range gear ratio, as well as electric front- and rear-axle lockers, Active Sway Bar System and 32-inch B.F. Goodrich Off-road tires.

Model Year Changes

2010 Jeep Wranger: tow hooks, fog lamps, full-length center console, front floor mats, and premium cloth trim were standard on all models. Front seatback map pockets were included with the standard cloth seats. Sahara and Rubicon could be ordered with leather-faced trim. Metallic green, orange pearl, detantor yellow were replaced by surf blue pearl, dark charcoal pearl, and natural green pearl.

Islander and Mountain appearance packages available.

2009 Jeep Wrangler Unlimited. Aside from color changes, the main alterations for 2009 were switching right-hand-drive postal-unit models from two doors to four doors; making hill-start assist standard on all models, with all transmissions; and including trailer sway control with the Trailer Tow Group. Interior features we were told to expect, but have not confirmed, were a larger sun visor, another bin for the full center console, new storage nets, and a center dome lamp with switched directional lighting.

Wrangler Refinement ?

The 2007 Jeep Wrangler Unlimited featured an even more refined on-road experience courtesy of its 116-inch wheelbase, 100-percent stiffer frame, 50-percent stiffer body and refined five-link coil suspension. In addition, new steering and suspension geometry provided precise ride and handling characteristics, while new sound-deadening techniques reduced cabin noise by more than 20 percent.

Ride balance in the 2007 Jeep Wrangler Unlimited achieved minimal body lean when cornering and braking due to the five-link coil suspension’s new upper and lower control arms and full-width forged-steel track bars. Also, lower suspension spring rates provided a softer, more comfortable on-road ride.

Standard on the 2007 Jeep Wrangler Unlimited X model, low-pressure twin-tube shock absorbers were tuned to match softer coil rates, achieving optimum balance between advanced on-road handling and rugged off-road capability. Jeep Wrangler Unlimited Sahara and Rubicon models featured standard high-pressure monotube shocks, utilizing Low Speed Tunable (LST) valve technology.

The 2007 Jeep Wrangler Unlimited’s new recirculating-ball steering configuration featured a robust cross-car steering linkage system, providing the stiffest possible steering linkage in a solid-axle vehicle. A decreased scrub radius significantly reduced steering wheel inputs, such as bump steer from uneven road surfaces.

Standard on the 2007 Jeep Wrangler Unlimited was an Electronic Stability Program (ESP), which aided the driver in maintaining vehicle directional stability in severe driving maneuvers on any type of surface. ESP featured three modes “full on,” “full off” and “partial on.”

Even More Powerful and Fuel-efficient Engine

New on all 2007 Jeep Wrangler Unlimited models was a 3.8-liter overhead valve V-6 engine, with 202 horsepower and 237 lb.-ft. of torque producing more horsepower and torque than its predecessor with improved fuel economy. A standard six-speed manual transmission or an available four-speed automatic transmission was offered.

Jeep Wrangler Unlimited featured a towing capacity of 3,500 lbs. and an optional towing package that included a 4.10 axle ratio, class III trailer hitch and two front tow hooks.

For key diesel markets outside North America, a diesel engine would also be available for the first time in a Jeep Wrangler with a five-speed manual transmission.

Jeep design and styling

The 2007 Jeep Wrangler Unlimited took on a radical four-door open-air design with Jeep-signature design cues classic round headlamps, seven-slot grille, trapezoidal wheel flares and exposed forged hinges merged with Wrangler Unlimited’s longer wheelbase, front-hinged rear doors, exposed B-pillar and larger sport bar creating a stance that commanded attention like no other Wrangler in its 65-year history.

Jeep Wrangler

“The 2007 Jeep Wrangler Unlimited extends Jeep design cues into a four-door, open-air form that is unmistakably Jeep Wrangler and unmistakably new,” said Trevor Creed, Senior Vice President Design. “The Wrangler Unlimited’s appearance is simple and pure, yet signals a new design approach to this familiar icon. Every angle reflects its boldly expanded posture and adventurous spirit, constructed in a head-turning silhouette that is authentic Jeep.”

Several Jeep concept vehicles the 1997 Jeep Dakar, 2004 Jeep Rescue and 2005 Jeep Gladiator that explored the combination of added space and utility with Wrangler’s rugged off-road character, inspired the 2007 Jeep Wrangler Unlimited’s design.

The 2007 Jeep Wrangler Unlimited’s 20.6-inch longer wheelbase with full-framed or half rear doors was encompassed by taut lines, sharp angles and planar surfaces, appearing not so much styled as constructed. The result was a design that was simple, strong and purpose-built, giving Wrangler Unlimited a military quality: upright and rugged, and imposing without being intimidating.

The interior design of the 2007 Jeep Wrangler Unlimited drew from the exterior, with gray and khaki colors and new grain patterns delivering a technical appearance with geometric themes.

The instrument panel featured an analog instrument cluster, four round airflow registers, six speakers and a 32-percent-larger locking glove box. Jeep Wrangler Unlimited’s tweeter speakers were located on top of the instrument panel and faced each opposing occupant for optimal left- and right-channel clarity.

The center stack provided easy-to-reach controls for audio system, HVAC, power window and Electronic Stability Program (ESP) switches. An available 368-watt Alpine stereo with optional navigation system was located at the top of the center stack for better visibility. Radios featured an auxiliary jack for portable MP3 compatibility.

Jeep Wrangler Unlimited’s available navigation system provided real-time guidance and a virtual breadcrumb trail that showed where the vehicle had driven off-road, enabling the driver to retrace the route and return to the trailhead.

Safety and Security

Jeep Wrangler Unlimited included the highest level of safety features in the vehicle’s history:

Advanced Multi-stage Air Bag System . This system inflated with a force appropriate to the severity of an impact. It included the occupant classification system (OCS)

Anti-lock-braking System . Electronic sensors helped detect impending wheel lockup. The standard ABS system offered improved steering control under extreme braking and/or slippery conditions

Brake Assist . The vehicle sensed a panic brake condition and applied maximum braking power, providing the shortest possible stopping distance

Child Seat Anchor System . Lower Anchors and Tethers for Children (LATCH) made it easier to install compatible aftermarket child seats in the rear seat

Electronic Roll Mitigation . A system that observed and monitored the vehicle speed and steering rate to estimate the potential for a rollover situation. If necessary, the engine torque was reduced and a short burst of full braking was applied to the appropriate wheel to immediately limit lateral force, providing improved roll stability

Electronic Stability Program (ESP) . ESP aided the driver in maintaining vehicle directional stability, providing oversteer and understeer control to maintain vehicle behavior on various road surfaces. This standard feature had three settings, allowing the driver more control over the vehicle during spirited driving

Energy-absorbing Steering Column . Manual-adjust collapsing steering column included two hydroformed coaxial tubes that moved relative to each other, which allowed the column to move forward and provided more energy absorption during an impact

Occupant Classification System (OCS) . Measured conditions for activation or deactivation of the passenger-side front air bag based upon the weight of the occupant

Pretensioners . During an impact, the impact sensors initiated front seat belt pretensioners to immediately remove slack from seat belts, which reduced the forward movement of the occupant’s head and torso

Seat-mounted Side Air Bags . Available seat-mounted side air bags extended protection to driver and front passenger

Side-impact Door Beams . Door beams were made of high-strength steel mounted in the vehicle’s doors to help prevent passenger compartment intrusion

Hot on the trails of the 2007 Jeep Compass, 2007 Jeep Wrangler and 2007 Jeep Patriot, the 2007 Jeep Wrangler Unlimited again underscored the brand’s commitment to its core attributes of freedom, adventure, mastery, authenticity and capability with its first-ever four-door convertible.

The Jeep Wrangler customer was truly unique in that many wanted a Wrangler for years. “I’ve always wanted one” was a commonly expressed sentiment. The 2007 Jeep Wrangler Unlimited effectively grew Jeep Wrangler’s appeal by offering authentic off-road capability to those who desire more space and versatility.

Jeep’s global lineup now included Jeep Commander, Jeep Grand Cherokee, Jeep Liberty (Cherokee outside North America), Jeep Compass, Jeep Patriot and the legendary Jeep Wrangler and Jeep Wrangler Unlimited.

The Jeep brand continued to gain momentum, with 2005 sales up 12 percent over 2004. More than 400,000 Jeep SUVs were sold in the U.S. last year.

The Jeep Trail Rated badge on the 2007 Jeep Wrangler Unlimited verified that the vehicle was designed to perform in a variety of challenging off-road conditions identified by five key off-road performance categories: traction, ground clearance, maneuverability, articulation and water fording.

Jeep Trail Rated was an industry-leading methodology that objectively measured and consistently predicted off-road performance for all Jeep vehicles. Through a combination of natural and controlled field tests, as well as computer-simulated environments, Jeep Trail Rated provided a repeatable and consistent measurement of off-road performance for Jeep vehicles. Only Jeep vehicles were Trail Rated.

Worldwide Availability

The 2007 Jeep Wrangler Unlimited was sold in more than 100 countries throughout the world, in both left- and right-hand-drive models.

2007 Jeep Wrangle specifications and such

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