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Jeep Projects and Installs
BDS 3" JK Wrangler Lift
Mopar JK Rock Rails
Unichip JK Module Install
AEV Wrangler JK Bumper Install
Airaid JK CAI Install
2" BDS JK Wrangler Lift
4 Door Wrangler JK Freedom Top Hanger
TeraFlex 2.5" Budget Boost JK Lift Kit Install
BDS JK Rear Track Bar Drop Bracket Install
CJ-5 Frame Replacement
Powertrax No-Slip Locker Install
Detroit Locker Install
Dana 300 TeraLow
BDS 3.5" Wrangler Lift Kit Conversion
Replacing Your CJ Front Brakes
Wide Track CJ with ARB Air Lockers
T-18A Transmission Swap
T-18A Rebuild and Short Shaft Kit
Old Man Emu into a 47 CJ-2A
Painless Wiring Fuse Block
Brighten Your Light Headlight Relays
CJ Full Roll Bar install
Toe, Caster, and Camber
More Projects and Installs

 

Jeep Technical

Vehicles Tech
Stop JK Water Streaks
Jeep Patriot Review
Jeep JK Wrangler Review
JK Post First Trail Run Debrief
Introducing the all new 2008 Liberty
Jeep Vehicles Spotters Guide
Jeep VIN Reference Guide
Jeep CJ Frame Dimensions
Jeep YJ Frame Dimensions
Jeep Production Numbers
Jeep Production Numbers
Renegade Spotters Guide
The History of the Jeep
DiamlerChrysler Vehicle Order Codes

Jeep JK Wrangler Rubicon Locker Modifications, Hacks, Cheats
Changing the operation of the electric locks on the JK Wrangler
Jeep Tie Rod and Drag Link End Identification
JK Wrangler DIY Oil Change
Differentials Explained
Transmission and Transfer Case Tech
Transfer Case Upgrades, Modifications, and Options
Jeep Tech - Transfer Cases
Jeep Tech - Transmissions
What is and why you need a Slip Yoke Eliminator
T-18 Transmission Swap Tech Tip

Tire Tech
How-To Read a Tire
How to pick the right tires for your Jeep
Tire Size to Ratio Conversion Chart
Jeep Tire Sizes - What Fits?
Wheel Terminology
More Jeep Tech

 

Jeep JK Wrangler Review
An in-depth look at the new JK Wrangler,
both on the trail and on the road.

featuring the jeepfan.com JK Wrangler Unlimited Rubicon

-page 3-

Review Index

page 1 - Introduction, On the Road, Performance
page 2 - Interior space, nice features, and some room for improvement
page 3 - On the Trail - Handling, ride, features, and oddities
page 4 - Specifications
Trail Report - Wheeling in Rattlesnake Country

 

Related Articles

jeepfan.com 2007 JK Wrangler Unlimited Rubicon

JK Post First Trail Run Debrief
Impressions of the jeepfan.com JK Wrangler Unlimited Rubicon. Thoughts, likes, dislikes, and a review of the new Jeep's trail worthiness.

Mopar Rock Rails for Wrangler JK

Jeep Tire Size Guide

Christine's 2007 JK Wrangler Unlimited Sahara

AEV JK Wrangler Front Bumper Install

To the trail...

The jeepfan.com JK has seen trail use before and has been broken in so we already knew what to expect.  See the article Post First Trail Run Impressions of the jeepfan.com JK Wrangler Unlimited Rubicon.  But this area offered some different trails so we could gather more data to provide more feedback.  The trails were were running were old logging trails, not rocky but the washed out ravines, mud, and hill climbs made it interesting and relaxing. 

The above images show the JK in action.  The Jeep's off road manners are excellent.  Ride quality over the rough stuff is controlled and smooth.  The coil spring suspension provides almost effortless suspension movement and the Rubicon gas charged shocks absorb the bumps and provide control.  The Rubicon 4:1 Rock Trac transfer case provides the low crawl ratio key to keeping speed down.

VIDEO

 
through the slop, the audio in the background is a quad
 
hill climb

Lockers

The Rubicon version of the JK is factory equipped with front and rear electronic lockers.  The X model and Sahara can be ordered with a rear locker.  Locker operation in simple and at the push of a button.  The lockers only work in 4WD low and under 18 mph (see the article: Locker Hacks).  The locker engage/disengage button is a two direction button.  Pressing the lower button once turns on the rear, pressing the lower again turns on the front (keeping the rear on - the front will only work if the rear is on)  Pressing the lower button a third time will turn the front off while keeping the rear on.  Pressing the upper button will turn all off.

Sway Bar

The Rubicon version of the JK is factory equipped with a front electronic sway bar disconnect.  The X model and Sahara can be ordered with a sway bar disconnect option.  Sway bar operation in simple and at the push of a button.  The sway bar works in 4WD low and under 18 mph (see the article: Locker Hacks).

Trail annoyances and oddities

The Jeep tends to run on at 2000 rpm.  For example, say you are running along in low range 2nd gear at 2000 rpm.  Let off the accelerator and the Jeep just keeps on going like it's on cruise control.  A touch of the brake or clutch and the Jeep slows back down, weird!  The fuel gauge - we were going slowly down the side of a long hill, after 10 minutes or so on the hill the low fuel warning alarm and indicator came on.  When we started our day the Jeep had nearly 1/2 tank of gas!  It couldn't be out?  We stopped and checked outside the Jeep for a leak but found nothing.  We reached a level part and after a few minutes the gauge started climbing until it returned to it's original position.  It turns out the sender is susceptible to extended down hill slopes and will report the fuel level being lower than it really is.

 

 

Related Articles

jeepfan.com 2007 JK Wrangler Unlimited Rubicon

JK Post First Trail Run Debrief
Impressions of the jeepfan.com JK Wrangler Unlimited Rubicon. Thoughts, likes, dislikes, and a review of the new Jeep's trail worthiness.

Will 35's fit on my JK Wrangler with stock rims?

Jeep Tire Size Guide

BDS 3" Lift for Wrangler JK Rubicon

AEV JK Wrangler Front Bumper Install

Next - Specifications and Underneath
 

 

jeepfan.com JK Wrangler Unlimited Rubicon

OK Auto Grand Reopening and Rausch Creek Trail Ride

JK Post First Trail Run Debrief
 

Readers Jeeps
James' 1979 Golden Eagle
Kaiser Jeep FJ-3
jeepfan.com CJ-5
Mike's 77 CJ-7
Christine's 2007 JK Sahara
Sam's 84 CJ-7 - The rebuild
Dennis and Katy's 2007 JK Wrangler Unlimited
Steve's 2007 JK Wrangler Unlimited Sahara
Matt's 84 CJ-7
jeepfan.com JK Wrangler Unlimited Rubicon
Jim's 1951 Willy's 2 Door Station Wagon
Glenn's 85 CJ-7, 79 CJ-7
Shawn's 2007 JK Wrangler Unlimited Rubicon
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77 Jeep CJ-7 Renegade, Levi's Edition
Mike's 1950 CJ-3A
Keith's 2005 Liberty
EarthRoamer Xpedition Vehicles - EarthRoamer XV-JP
More Readers Jeeps

 

 

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