The 2008 Wrangler Unlimited came with the 3.8L V6 (not 3.6L), paired with either a 6-speed manual or 4-speed automatic. This generation is known for bulletproof drivetrain reliability but the 3.8L burns oil and lacks power, while the automatic transmission runs hot and benefits from external cooler upgrades.
3.8L V6 Excessive Oil Consumption
Common · medium severity
Typical onset: 80,000-150,000 mi
Symptoms: Blue smoke on startup or acceleration, Low oil light between changes, burning 1+ quart per 1,000 miles, Carbon buildup on spark plugs
Fix: Piston ring wear and valve seals are the culprits. Minor cases limp along with frequent top-ups; severe cases need engine rebuild or short block replacement (18-24 labor hours for full rebuild, 12-16 for short block swap).
Estimated cost: $3,500-6,500
42RLE Automatic Transmission Overheating and Failure
Common · high severity
Typical onset: 100,000-140,000 mi
Symptoms: Harsh or delayed shifts, especially 2-3 upshift, Burning smell or dark fluid, Slipping under load or when hot, Check engine light with transmission codes
Fix: The factory transmission cooler is undersized, especially for towing or highway use. Overheating cooks clutches and solenoids. Proactive external cooler install (2-3 hours) prevents damage; failed units need rebuild or replacement (8-12 hours labor).
Estimated cost: $2,800-4,200
Exhaust Manifold Cracking
Occasional · low severity
Typical onset: 60,000-120,000 mi
Symptoms: Ticking or tapping noise from engine bay, especially cold start, Exhaust leak smell in cabin, Visible cracks on manifold casting
Fix: Cast iron manifolds crack due to heat cycling. Dorman replacements are common; job requires removing heat shields and dealing with seized studs. 3-5 hours per side, often both sides eventually fail.
Estimated cost: $600-1,200
Death Wobble from Worn Track Bar and Steering Components
Common · high severity
Typical onset: 70,000-110,000 mi
Symptoms: Violent shaking of entire front end at 45-55 mph after hitting bump, Loose or clunking feeling in steering, Uneven tire wear
Fix: Track bar bushings, ball joints, tie rod ends, and drag link wear create play that triggers resonance. Requires systematic replacement of worn components plus alignment (4-6 hours for full front end refresh). Not truly dangerous but terrifying and hard to diagnose piecemeal.
Estimated cost: $800-1,500
TIPM (Totally Integrated Power Module) Failure
Occasional · high severity
Symptoms: Fuel pump not priming, no-start condition, Intermittent electrical gremlins (wipers, windows, gauges), Multiple warning lights with no stored codes
Fix: The TIPM controls most electrical functions and internal relays fail, especially fuel pump relay. Dealer-only part (~$800-1,200), replacement is 1-2 hours but diagnosis can be maddening. Some repair services re-solder relays for less.
Estimated cost: $1,000-1,800
Transmission Mount Collapse
Common · low severity
Typical onset: 80,000-120,000 mi
Symptoms: Clunk when shifting from park to drive/reverse, Vibration at idle in gear, Visible sagging or torn rubber on mount
Fix: Factory mount is rubber and fatigues. Polyurethane aftermarket replacements last longer but transmit more vibration. Simple 1-hour job with a jack and basic tools.
Estimated cost: $150-300
Owner tips
Install auxiliary transmission cooler if you have the automatic—heat is the killer for the 42RLE
Check oil level every fuel fill-up on the 3.8L; keep a quart in the Jeep and don't let it run low
Grease all steering and suspension components every oil change to extend life and catch wear early
Upgrade to better shocks (Bilstein, Fox) to reduce death wobble susceptibility and improve handling
Buy it for off-road capability and simplicity, but budget for oil top-ups and eventual transmission work—skip automatics if possible, the manual is far more durable.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
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Fitment notes: Standard engine bay location; 3.6L V6 not available in 2008 model year - verify engine specification
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Every control module on the 2008-2018 Jeep Wrangler Unlimited — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
📍 Integrated into BCM/TIPM or separate receiver behind dashboard
🔧 TPMS relearn tool or drive cycle
⚠️ Sensor ID relearn required after tire rotation or sensor replacement. Can be done with TPMS tool or specific drive cycle procedure.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 16V352000
2016-05-24 · EA15001
Chrysler (FCA US LLC) expanded the affected population to include 73,712 2005-2009 RAM 2500 trucks produced at the St. Louis North Assembly Plant. With this change, Chrysler is recalling certain model year 2004-2008 RAM 1500, 2005-2009 RAM 2500, 2006-2009 RAM 3500, 2007-2010 RAM 3500 Cab Chassis, 2008-2010 RAM 4500 and 5500 Cab Chassis, 2004-2009 Dodge Durango, 2007-2009 Chrysler Aspen, 2007-2012 Jeep Wrangler, 2008-2012 Dodge Challenger, 2005-2008 Dodge Magnum, 2005-2012 Chrysler 300, 2006-2012 Dodge Charger, 2005-2011 Dodge Dakota, and 2006-2009 Mitsubishi Raider vehicles originally sold, or ever registered, in AL, CA, FL, GA, HI, LA, MS, SC, TX, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A."
Additionally, unless included in "Zone A" above, Chrysler is also recalling 2004-2008 RAM 1500, 2005-2009 RAM 2500, 2006-2009 RAM 3500, 2007-2009 RAM 3500 Cab Chassis, 2008-2009 RAM 4500 and 5500 Cab Chassis, 2004-2009 Dodge Durango, 2007-2009 Chrysler Aspen, 2007-2009 Jeep Wrangler, 2008-2009 Dodge Challenger, 2005-2008 Dodge Magnum, 2005-2009 Chrysler 300, 2006-2009 Dodge Charger, 2005-2009 Dodge Dakota and 2006-2009 Mitsubishi Raider vehicles originally sold, or ever registered, in AZ, AR, DE, Washington D.C., IL, IN, KS, KY, MD, MO, NE, NV, NJ, NM, NC, OH, OK, PA, TN, VA, and WV, or "Zone B."
Lastly, unless included in "Zone A" or "Zone B" above, Chrysler is recalling certain 2005-2008 RAM 2500, 2006-2008 RAM 3500, 2007-2008 RAM 3500 Cab Chassis, 2008 RAM 4500 and 5500 Cab Chassis, 2004-2008 Dodge Durango, 2007-2008 Chrysler Aspen, 2007-2008 Jeep Wrangler, 2008 Dodge Challenger, 2005-2008 Dodge Magnum, 2005-2008 Chrysler 300, 2006-2008 Dodge Charger, 2005-2008 Dodge Dakota, and 2006-2008 Mitsubishi Raider vehicles originally sold, or registered, in AK, CO, CT, ID, IA, ME, MA, MI, MN, MT, NH, NY, ND, OR, RI, SD, UT, VT, WA, WI, and WY.
Consequence: These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. These inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.
An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.
Remedy: Owners are advised not to drive their vehicle until the recall repair is complete. Chrysler will notify the Chrysler, Dodge, Jeep and RAM owners. Mitsubishi owners will be notified by their company. Dealers will replace the passenger frontal air bag inflator, free of charge. The recall began on March 27, 2017. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is S43. Note: This recall supersedes recall 14V-7700.
AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE · 16V290000
2016-05-11 · EA15007
Chrysler (FCA US LLC) is recalling certain model year 2007-2010 Jeep Wrangler JK vehicles manufactured March 2, 2006, to August 13, 2010. The clockspring assembly may become contaminated with dust and cause the air bag circuit to fail.
Consequence: Failure of the air bag circuit may prevent the driver's frontal air bag from deploying in the event of a crash, increasing the risk of injury.
Remedy: Chrysler will notify owners, and dealers will replace the clockspring, wheel back cover, and column shroud, free of charge. The recall began on December 14, 2016. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is S33.
AIR BAGS · 13V176000
2013-05-07 · PE11019
Chrysler Group LLC (Chrysler) is recalling certain model year 2008-2012 Jeep Wrangler right-hand drive vehicles manufactured February 1, 2007, through October 10, 2011. The affected vehicles have airbag clockspring assemblies that could experience broken airbag circuits.
Consequence: In the event of a crash necessitating airbag deployment, a broken electrical circuit in the airbag clockspring wiring assembly can lead to non-deployment of the driver-side frontal airbag and will not be able to properly protect the driver, increasing the risk of injuries.
Remedy: Chrysler will notify owners, and dealers will replace the clockspring and add a steering wheel dust shield, free of charge. The recall began on June 10, 2013. Owners may contact Chrysler at 1-800-247-9753. This recall supercedes NHTSA recall 11V-528. Chrysler's recall campaign number is M31.
EQUIPMENT · 13E010000
2013-02-25
Quadratec, Inc. is recalling certain aftermarket accessory, driver-side, Ultimate Floor Liners part numbers 14254.0301 07, 14254.0301 08, 14254.0301Q, 14254.0302 07, 14254.0302 08, 14254.0302Q, 14254.0303 07, 14254.0303 08, 14254.0303Q, 14254.0309 07, 14254.0309 08, and 14254.0309Q sold from May 1, 2012, through February 14, 2013. The liners are for use in 2007-2013 Jeep Wranglers. The anchor point for the affected floor liners may tear during use, particularly when exposed to high temperatures. The tearing may allow the floor liner to shift forward.
Consequence: If the liner shifts forward it may impede the operation of the accelerator and possibly lead to unintended acceleration, which may increase the risk of a crash.
Remedy: Quadratec will notify owners and either exchange the liners or provide them with a hook guard kit to help secure the driver-side mat, free of charge. The recall began on April 4, 2013. Owners may contact Quadratec at 1-800-463-2998 or [email protected].
AIR BAGS:FRONTAL · 11V528000
2011-11-02 · PE11019
CHRYSLER IS RECALLING CERTAIN MODEL YEAR 2008-2012 RIGHT HAND DRIVE (RHD) JEEP WRANGLER VEHICLES MANUFACTURED FROM FEBRUARY 1, 2007, THROUGH OCTOBER 10, 2011. SOME VEHICLES MAY BE EQUIPPED WITH DRIVER'S AIRBAG CLOCKSPRING ASSEMBLIES THAT COULD EXPERIENCE A COMPROMISED AIRBAG CIRCUIT RESULTING IN AN AIRBAG LAMP ILLUMINATION, WHICH INDICATES THAT THE AIRBAG MAY NOT DEPLOY.
Consequence: A BROKEN ELECTRICAL CIRCUIT IN THE AIRBAG CLOCKSPRING WIRING ASSEMBLY CAN LEAD TO NON-DEPLOYMENT OF THE DRIVER FRONTAL AIRBAG AND WILL NOT BE ABLE TO PROPERLY PROTECT THE DRIVER IN THE EVENT OF A CRASH, INCREASING THE RISK OF INJURIES.
Remedy: CHRYSLER WILL NOTIFY OWNERS AND REMEDY THE VEHICLES AS NECESSARY FREE OF CHARGE. CHRYSLER WILL MAIL TO OWNERS AN INTERIM NOTIFICATION DURING MARCH 2012. OWNERS MAY CONTACT CHRYSLER AT 1-800-853-1403.
SERVICE BRAKES, HYDRAULIC · 10V236000
2010-06-03
CHRYSLER IS RECALLING CERTAIN MODEL YEAR 2007 THROUGH 2010 JEEP WRANGLER LEFT AND RIGHT HAND DRIVE PASSENGER VEHICLES MANUFACTURED FROM MAY 15, 2006 THROUGH APRIL 22, 2010. THERE MAY BE CONTACT BETWEEN THE RIGHT AND LEFT FRONT INNER FENDER LINERS AND THE RIGHT FRONT AND LEFT REAR BRAKE TUBES WHICH COULD CAUSE WEAR OF THE TUBES CAUSING A BRAKE FLUID LEAK.
Consequence: A BRAKE FLUID LEAK CAN CAUSE PARTIAL LOSS OF SERVICE BRAKES AT THE AFFECTED WHEEL INCREASING THE RISK OF A CRASH.
Remedy: CHRYSLER WILL NOTIFY OWNERS AND DEALERS WILL REPAIR THE VEHICLES FREE OF CHARGE. OWNERS MAY CONTACT CHRYSLER TOLL-FREE AT 1-800-853-1403.
POWER TRAIN:AUTOMATIC TRANSMISSION · 09V436000
2009-11-05 · PE09037
CHRYSLER IS RECALLING CERTAIN MODEL YEAR 2007 THROUGH 2008 JEEP WRANGLER VEHICLES MANUFACTURED FROM JUNE 2006 THROUGH JULY 2008, EQUIPPED WITH AUTOMATIC TRANSMISSIONS. THESE VEHICLES WERE NOT EQUIPPED WITH A TRANSMISSION FLUID TEMPERATURE WARNING SYSTEM.
Consequence: FLUID COULD BOIL OVER AND MAY COME INTO CONTACT WITH A HOT ENGINE OR EXHAUST COMPONENT AND CAUSE A FIRE.
Remedy: DEALERS WILL INSPECT AND INSTALL A "HOTOIL" MESSAGE IN THE INSTRUMENT CLUSTER AND A CHIME INDICATING AN ELEVATED TRANSMISSION FLUID CONDITION. THE RECALL BEGAN ON FEBRUARY 22, 2010. OWNERS MAY CONTACT CHRYSLER AT 1-800-835-1403.
TRAILER HITCHES · 09E044000
2009-07-09
CHRYSLER IS RECALLING 308 AFTERMARKET MOPAR TOW BAR ASSEMBLIES, P/N 82209758, SOLD DURING 2007 AND 2008 CALENDAR YEAR WHICH ARE USED TO TOW MODEL YEAR 2007 AND 2008 JEEP WRANGLER VEHICLES.
Consequence: THE TOW BAR CAN FAIL UNDER CERTAIN DRIVING CONDITIONS. THIS CAN RESULT IN THE TOWED VEHICLE SEPARATING FROM THE TOWING VEHICLE, POSSIBLY RESULTING IN A CRASH.
Remedy: CHRYSLER WILL NOTIFY THE OWNERS OF ALL 2007 AND 2008 MODEL YEAR JEEP WRANGLER VEHICLES WHO COULD HAVE PURCHASED A RECALLED TOW BAR AND WILL REPLACE THE TOW BARS FREE OF CHARGE. THE SAFETY RECALL BEGAN ON NOVEMBER 23, 2009. OWNERS MAY CONTACT CHRYSLER AT 1-800-853-1403.
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS · 08V202000
2008-05-06
CHRYSLER IS RECALLING 1,585 MY 2007-2008 JEEP WRANGLER, RIGHT HAND DRIVE ONLY, VEHICLES. SOME VEHICLES MAY HAVE INSUFFICIENT CLEARANCE BETWEEN THE STEERING INTERMEDIATE SHAFT AND REAR BRAKE TUBES.
Consequence: PROLONGED BRAKE TUBE CONTACT COULD WEAR A HOLE IN THE TUBE AND CAUSE A PARTIAL BRAKE SYSTEM LOSS. THIS COULD CAUSE A CRASH WITHOUT WARNING.
Remedy: DEALERS WILL INSTALL A REVISED BRAKE TUBE CLIP TO RETAIN THE TUBES, INSPECT THE BRAKE TUBES FOR DAMAGE DUE TO POTENTIAL CONTACT WITH THE STEERING INTERMEDIATE SHAFT, AND REPLACE THE BRAKE TUBES IF NECESSARY. THE RECALL BEGAN ON JUNE 30, 2008. OWNERS MAY CONTACT CHRYSLER AT 1-800-853-1403.
Wiper blades
JK generation Wrangler Unlimited (4-door). Rear wiper is 12 inches with hook attachment.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2008 Jeep Wrangler Unlimited 3.6L V6 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.