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2007 Jeep Wrangler

Posted in Features on May 1, 2006
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Most automakers have one: an iconic model that historically, or currently, embodies the spirit and essence of their brand. BMW has its 3-series, Porsche has the 911, and Jeep has the Wrangler. With so much symbolically riding on this single model, it was imperative for Jeep not to screw it up - especially considering how much the introduction of the front-wheel-drive, unibody Compass cute-ute has irked the Jeep faithful.

But Jeep made it adamantly clear that the new Wrangler is no watered-down, sissified pretender. Whereas all the other current Jeep models have abandoned solid front axles, the Wrangler still proudly rides on front and rear Dana axles, a Dana 30 front and Dana 35 rear. The Rubicon model sports Dana 44s front and rear, as do any models with the tow package.

Incorporating a version of the system first showcased on the Dodge Ram Power Wagon, the Wrangler offers an electronically disconnecting front stabilizer bar - Active Sway Bar System (ASBS) - delivering additional wheel travel for traversing the toughest trails. Thanks to this bit of techno-wizardry, the new '07 Jeep Wrangler boasts a 652 ramp travel index with the front stabilizer bar engaged and an 832 RTI with the front stabilizer bar disconnected - a 28-percent increase. Jeep claims an approach angle of 44.3 degrees and a breakover angle of 25.4 degrees, along with a 40.4-degree departure angle.

For the (few) fans of the four-cylinder Wrangler, there is some bad news for 2007. The four-banger is discontinued, at least for now. Though many expected the venerable 4.0L inline-six to be replaced with the 3.7 SOHC 90-degree V-6 widely used in the Dakota and Liberty, the new Wrangler will have a version of the 60-degree, 3.8L pushrod V-6 out of the minivans. In the Jeep application, the engine produces 205 hp at 5,200 rpm, and 240 lb-ft of torque at 4,000 rpm, an increase of 15 hp and 5 lb-ft, respectively.

The Rubicon model features a 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 and 32-inch BFGoodrich Mud Terrains. The X and Sahara models feature the second-generation Command-Trac NV241 part-time, two-speed transfer case with a 2.72:1 Low-range gear ratio. In addition, a Trac-Lok limited-slip rear differential provides extra torque and grip during low-traction situations, such as driving over sand, gravel, snow, or ice.

Much to the chagrin of hardcore Jeepers, some electronic nannery has made its way onto the Wrangler but may actually be of some benefit off-road. Standard on the new Wrangler is an Electronic Stability Program (ESP), which aids the driver in maintaining vehicle directional stability in severe driving maneuvers on any type of surface. Thankfully, the ESP features three modes: Full On, Full Off, and Partial On. Also making its debut on the Wrangler is Electronic Roll Mitigation - a system that observes and monitors the vehicle roll attitude and lateral force to estimate the potential for a rollover situation. If necessary, the engine torque is reduced, and a short burst of full braking is applied to the appropriate wheel to help stabilize the vehicle attitude and reduce the vehicle's lateral force.

New four-wheel-disc antilock brakes are standard on all new Wrangler models. An off-road antilock braking feature enables sustained wheel lockup for improved performance on plowable surfaces, including loose dirt, gravel, sand, and mud.

Although Jeep heavily emphasized the increased capabilities of the new Wrangler, it did not neglect upgrading the comfort and convenience features, traditionally a weak point for the Wrangler.

A 2-inch-longer wheelbase, 3.5-inch-wider track, and 5.5 inches more overall width allowed for 4.6 inches more hip and 5.1 inches more shoulder room, as well as an additional inch in rear-seat legroom and 2 inches more cargo storage length behind the rear seat. Addressing what's long been a shortcoming of the Wrangler, the new model features a lockable underfloor storage area behind the rear seat.

Much to the delight of cheerleaders and sorority girls everywhere (ironically another strong constituency of Wrangler owners), an all-new, three-piece modular hardtop system features three configurable panels - left- and right-front passenger panels and a rear panel - providing more options for open-air driving in the all-new '07 Jeep Wrangler. Jeep claims removing the left- and right-front passenger panels is simple and can be accomplished quickly by one person.

Sure to delight backcountry rockhounds and ditzy blondes alike is the availability of an optional full-screen navigation system and Sirius satellite radio. Also a Wrangler first, power windows and door locks are available. But fear not, the doors are still removable, and yes, you can still get optional half doors.

So, does Jeep's new icon have the trail moxie to run with its predecessors? Jeep certainly thinks so. As soon as we get a chance to get behind the wheel of one, we'll let you know what we think. Look for the new Wrangler to roll into dealerships in the fall of '06.

2007 Jeep Wrangler SpecificationsDimensions Are In Inches (Millimeters) Unless Otherwise Noted.

Body Style Two-door sport utility
Assembly Plant Toledo, OH
EPA Vehicle Class Multipurpose vehicle
Type and Description Six-cylinder, 60-degree V-type, liquid-cooled
Displacement 230.5 ci (3778 cc)
Bore x Stroke 3.78x3.43 (96x87)
Valve System OHV, 12 valves, roller followers, hydraulic lifters
Fuel Injection Sequential, multiport, electronic
Construction Cast-iron block, aluminum alloy heads
Compression Ratio 9.6:1
Power (SAE net) 205 hp (153 kW) at 5,{{{200}}} rpm (53.9 hp/L)
Torque (SAE net) {{{240}}} lb-ft (325 N*m) at 4,000 rpm
Fuel Recommendation Unleaded regular, 87 octane
Oil Capacity 6 qt (5.7L) plus filter
Coolant Capacity 13.36 qt (12.64L) std.
Emission Controls Three-way catalytic converter, heated oxygen sensors, electronic
EGR, and internal engine features; meets Tier 2
Bin 5 (federal) and LEV 2 (CA) emission requirements
Alternator 160A
Battery {{{600}}} CCA, maintenance-free
Description Synchronized in all forward gears and Reverse,
multirail shift system with top-mounted shift lever
Clutch Hydraulic actuation
Gear Ratios:
First 4.46
Second 2.61
Third 1.72
Fourth 1.25
Fifth 1.00
Sixth 0.84
Reverse 4.06
Axle Ratio 3.21 (std.), 4.10 (opt.; std. on Rubicon)
Overall Top Gear 2.69 (std.), 3.44 (opt.; std. on Rubicon)
Availability Optional
Description Electronic governor, electronically controlled converter clutch
Gear Ratios:
First 2.84
Second 1.{{{57}}}
Third 1.0
Fourth 0.69
Reverse 2.21
Axle Ratio 4.10
Overall Top Gear 2.83
Type Part-time
Operating Modes 2WD High, 4WD High, Neutral, 4WD Low
Low Range Ratio 2.72:1
Type Part-time, heavy-duty
Operating Modes 2WD High, 4WD High, Neutral, 4WD Low
Low Range Ratio 4.0:1 116 32.971W
Overall Length 152.8 (3881.1)
Overall Width (w/o mirrors) 73.7 (1,872.0)
Overall Height, Hardtop 70.9 (1,800.9)
Rubicon 72.3 (1,836.4)
Wheelbase 95.4 (2,423.2)
Track, Front 61.9 (1,572.3)
Track, Rear 61.9 (1,572.3)
Overhang, Front 26.7 (678.2)
Overhang, Rear 30.6 (777.2)
Maximum Payload (includes occupants and cargo) 1,000 lbs (454 kg)
{{{Wrangler}}} X, Man. Trans 3,{{{760}}} lbs (1706 kg)
Wrangler X, Auto. Trans 3,785 lbs (1717 kg)
Wrangler Sahara, Man. Trans 3,951 lbs (1,792 kg)
Wrangler Sahara, Auto. Trans 3,976 lbs (1,804 kg)
Wrangler Rubicon, Man. Trans 4,104 lbs (1,862 kg)
Wrangler Rubicon, Auto. Trans 4,129 lbs (1,873 kg)
Seating Capacity, F/R 2/2
Front Headroom 41.3 (1,049.0)
Legroom 41.0 (1,041.4)
Shoulder Room 55.8 (1,417.3)
Hip Room 55.6 (1,412.2)
Seat Travel, Driver 9.4 (238.8)
Passenger 9.4 (238.8)
Front Volume Index 54.6 cu. ft. (1.545 cu. m)
Rear Headroom 40.3 (1,023.6)
Leg Room 35.6 (904.2)
Shoulder Room 61.6 (1,564.6)
Hip Room 44.7 (1,135.4)
Rear Seat Volume Index 48.3 cu. ft. (1.367 cu. m)
Cargo Liftover Height 27.8 (706.1)
Maximum Cargo Width at Swing Gate Opening 58.7 (1,491.0)
Minimum Cargo Height at Swing Gate Opening 37.0 (939.8)
Maximum Cargo Height at Swing Gate Opening 37.1 (942.3)
Minimum Cargo Height at Swing Gate Opening 37.0 (939.8)
Distance Between Wheelhouses 44.7 (1135.4)
Cargo Volume:
Rear Seat Installed 56.5 cu. ft. (1.60 cu. m)
Rear Seat Removed 61.2 cu. ft. (1.73 cu. m)
Behind Rear Seat 17.15 cu. ft. (0.49 cu. m)
Layout Longitudinal front engine, four-wheel drive
Construction Ladder-type frame, open steel body
Front Live axle, leading arms, track bar, coil springs, stabilizer bar, low-pressure (on
16-inch wheel packages) gas-charged shock absorbers — std.; monotube high-pressure (on 17- and 18-inch wheel packages) gas-charged shock absorbers — std.; Electronic Sway Bar Disconnect System (ASDS) — opt.
Rear Live axle, trailing arms, track bar, coil springs, stabilizer bar, low-pressure (on
16-inch wheel packages) gas-charged shock absorbers — std.; monotube high-pressure (on 17- and 18-inch wheel packages) gas-charged shock absorbers— std.
Type Power, recirculating ball with damper
Overall Ratio 16.7:1 overall
Turning Diameter (curb-to-curb) 34.9 ft (10.64 m)
Steering Turns (lock-to-lock) 3.5
Power Assist Type 10 (254) single-diaphragm vacuum four-wheel anti-lock with on- and off-road calibrations
Electronic Stability
Program (ESP)
Parking Brake Type Drum-in-hat
Front Size and Type 11.9x1.1 (302x28) vented rotor with 2.6 (66) single-piston floating caliper Swept Area (total front); 234.3 sq. in. (1,511.6 sq. cm)
Rear Size and Type 12.44x0.47 (316x12) solid rotor with 1.9 (48) single-piston floating caliper swept area (total rear); 202.6 sq. in. (1,307.1 sq. cm)
X Standard 16x7.0 painted steel with 225/75R16 on/off-road
Goodyear {{{Wrangler}}} STs
X Optional 16x7.0 painted cast aluminum with 245/75R16 on/off-
road Goodyear Wrangler SRAs
Sahara Standard 17x7.5 painted cast aluminum with 255/75R17 on/off-
road Goodyear Wrangler SRAs
Sahara Optional 18x7.5 painted cast aluminum with 255/70R18 on/off-
road Bridgestone Dueler 693s
Rubicon Standard 17x7.5 machined cast aluminum with LT255/75R17 off-
road BFGoodrich Mud Terrains

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