  2013 Jeep Wrangler Sahara. Click image to enlarge |
Thanks to something that Jeep Wrangler owners call the Death Wobble, shoppers are advised to budget for a full front-end and steering-system inspection and alignment. A number of factors can contribute to this well-documented issue has shocked many owners and ruined many pairs of shorts when an extremely violent vibration throughout the entire vehicle occurs at speed as the front wheels fight one another. According to Jeep Wrangler owners’ forums, a number of factors, mainly relating to improperly adjusted or worn-out front-end components, are key causes of this problem.
  Jeep Wrangler, 2007-2014. Click image to enlarge |
A full check of the Wrangler’s electronics is also advised. Check everything that runs on electricity, confirm proper operation of the alarm system, windows, locks, remotes, lights, signals, climate control and the like. Owners have reported a wide range of annoying electrical problems – some of which result from a battery that’s on its way out. Others result from ground-points that have rusted, or wiring and sensors that have become wet or submerged in an off-road setting. Here’s some more reading. And a great article from www.fourwheeler.com on how to track down some Jeep-related electrical issues.
Also, check the engine oil for proper level and condition in models with the 3.8L engine, as some owners report excessive oil consumption.
In any model with a manual transmission, be sure to kill the audio system and climate control fan and listen closely for any grinding or scraping sounds from beneath the shifter area when the vehicle is in neutral, idling, with the clutch pedal up. A little noise is considered normal, a lot could indicate a damaged or worn-out clutch release bearing or other issue. Have a mechanic check out any unwelcome sounds for maximum peace of mind. Further transmission investigation is warranted if the transmission clashes while shifting or ‘pops’ out of gear,
Confirm that the model shifts into and out of all four-wheel-drive modes as outlined in the owner’s manual too, just to be safe.
Be weary of modifications on your potential used Wrangler. Though intake and exhaust systems are typically considered safe, a mechanic should have a look to confirm that the ‘upgrades’ were carried out with high-quality parts and workmanship. Suspension lifts or ‘lift kits’, done improperly, can ruin chassis components, fuel mileage and even tires – so skip a used Wrangler with this sort of upgrade where possible.
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The Verdict: Uniquely styled and highly capable, a Wrangler with a mechanical two thumbs up should prove a rewarding way to access weekend adventure and one of the largest owner communities on the road. Most issues should be easy to identify on a test drive, though a full inspection of the suspension, steering and front-end is strongly advised ahead of your purchase for maximum safety.
Some more reading on the Wrangler from your pals at autos.ca
Here’s a lengthy list of recalls, including some that deal with factors relating to the Death Wobble. Take the VIN number of the model you’re considering to a Jeep dealer and ask the service counter to see if any recall work is outstanding.
Crash Test Results
IIHS Jeep Wrangler 2-Door
IIHS Jeep Wrangler Unlimited
NHTSA Crash Test Results
