JeepWrangler20112.8L/jeep/wrangler/2011/2-8l/
JK platform

2011 Jeep Wrangler — 2.8L

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2011 Wrangler 2.8L.

Body SUVEngine 2.8LTransmission Automatic 4-spd

The 2011 Jeep Wrangler 2.8L is a body-on-frame SUV riding on the JK platform, powered by a 2.8-liter engine paired with a four-speed automatic transmission and rated at 15/19/17 mpg city/highway/combined. Owner feedback for this model year totals 482 complaints, with the most frequent issues centered on the air bags, alongside 11 recalls. Within the Wrangler’s complaint history spanning 1990 to 2023, this year sits in the middle of the range—far from the low of 5 complaints for 1996 but well below the peak of 1,793 for 2018—indicating a moderate reliability standing for the generation.

Model year2013201220112010200920082007

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Lug nut torque95 ft-lbsOEM · verified
EPA fuel economy15/19/17 mpgEPA · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses a BCI 34 · 600 CCA battery, OE oil filter 04105409AE. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Battery groupBCI 34 · 600 CCAOEM · verified
Tire sizeLT255-75R17OEM · verified
Wheel / rim7.5 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter04105409AE
Engine air filter68257791AB
Spark plugSP303917AC
BatteryBB34F101AA
Front wiper blades68002390AA alt 68002393AA
Thermostat68273161AA
Cabin air filter68535613AA

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 4-spd

Dimensions & weight NHTSA vPIC

Overall length152.8 in
Overall width73.6 in
Overall height72.4 in
Wheelbase95.3 in
Curb weight4165 lb
Track (front / rear)62.6 / 62.6 in
Weight distribution (front / rear)50/50

Ratings & economy EPA / vPIC

EPA city / highway / combined15 / 19 / 17 mpg
Drivetrain4-Wheel Drive
Recommended fuelRegular Gasoline

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine 80W-90 · GL-5 in the differential, DOT 3 brake fluid. Torque lug nuts to 95 ft-lbs. The firing order is 1-2-3-4-5-6.

Lubricants & capacities

Automatic Transmission FluidATF+4
Automatic Transmission Fluid Capacity4
Automatic Transmission FluidATF+4
Automatic Transmission Fluid Capacity5.3
Brake FluidDOT 3
Differential Gear Oil80W-90 · GL-5
Differential Gear Oil Capacity2 Pints,
Differential Gear Oil80W-90 · GL-5

Engine torques

Crankshaft Pulley and/or Damper Bolts129 ft-lbs
Engine Flywheel Bolts65 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs9 ft-lbs

Chassis torques

Lug Nuts95 ft-lbs
Front Wheel Hub100 ft-lbs

Ignition

Cylinder Firing Order1-2-3-4-5-6

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.13 lbs
Oil GroupPAG
Oil Type46
Oil Capacity5.00 oz
Standard BCI Group Number34
Standard BCI Cranking Performance600 cca

Service checks

Pressure Test18 psi
Radiator Cap Pressure Relief18-21 psi
Thermostat Opening Temperature195 °F
Injector Primary Resistance11.4-12.6 @ 68 degreesF ohms
Engine Compression100 Minimum psi
Engine Oil Pressure30-80 psi
Engine Oil Pressure RPM3000 rpm
Intake Valve LashHydraulic in

Brakes

Torque Caliper to Bracket26 ft-lbs
Torque to Knuckle77 ft-lbs / 100 ft-lbs
Minimum Pad Thickness0.040 in
Minimum Shoe Thickness0.040 in
Rotor Max Parallel Variation0.00035 in
Rotor Runout Limit0.0008 in
Rotor Minimum Machining1.049 in / 0.409 in
Rotor Discard at or Under1.048 in / 0.408 in

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
15 ft. lbs., Step 2: 21 ft. lbs., Step 3: 905 ft. lbs
Exhaust Manifold to Cylinder Head Bolts — tightening sequence 1 stages
12 ft. lbs., step 2: 72 ft. lbs

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 8,000 mi; spark plugs every 96,000 mi; coolant at 104,000 mi. The big-interval services (at 104,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

Every 8,000 miEngine Oil (drain & refill) · Engine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
At 16,000 miCV Joint Boot (inspect) · Exhaust System (Complete) (inspect)
Every 16,000 miBrake Linings (inspect) · Suspension System (inspect)
Every 24,000 miCV Joint Boot (inspect) · Exhaust System (Complete) (inspect)
Every 32,000 miEngine Air Filter Element (replace) · Parking Brake System (adjust) · Transfer Case Assembly (inspect fluid level)
At 48,000 miCV Joint Boot (inspect) · Exhaust System (Complete) (inspect)
Every 96,000 miPCV Valve (inspect) · Spark Plug Wires (replace) · Spark Plugs (replace)
At 104,000 miEngine Coolant System (drain, flush & refill)
At 120,000 miDrive Belt (replace)

Owner how-tos

Condensed service procedures for routine maintenance. Procedures that require dealer diagnostic equipment are identified and summarized only.

Common procedures

Key fob — remote (RKE) programming programming new fob buttons Dealer tool OEM · verified
Tool requiredDRBIII scan tool (dealer / locksmith)
WhyTransmitter codes are written into the receiver in the passenger door module
Anti-theft (SKIS) — module initialization after immobilizer module replacement Dealer tool OEM · verified
When neededAfter Sentry Key Immobilizer Module (SKIM) replacement
Tool requiredDRBIII scan tool
Also requiredThe vehicle's four-digit PIN code

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The 2011 Jeep Wrangler sits within a generation that peaked in complaint and investigation volume during 20072008 (1,056–1,255 complaints, 8–10 investigations per year) before entering a gradual decline through 2011. Compared to the preceding and following model years, the target year presents a notably lower complaint count of 482—down significantly from 684 in 2010 and well below the 828 recorded for 2012—suggesting a temporary stabilization rather than a fundamental improvement in the model's reliability profile. The 11 recalls tied to the 2011 model matches 2010's level and remains elevated by historical standards, while the 158 TSBs issued for this year, though substantial, represent the beginning of an escalating trend that reached 244 by 2012 and 236 by 2013. The top complaint areas—Air Bags (102), Fuel/Propulsion System (75), Electrical System (27), and Power Train (26)—indicate persistent issues in safety-critical and drivetrain domains, with 13 crash-related complaints and 20 fire-related complaints further flagging serious potential hazards. The data does not specify whether the reduction in 2011 complaints reflects corrective action or merely cyclical variation. The concrete takeaway is that the 2011 model offers a relative improvement in complaint volume over its generation-mates, but the elevated recall count, high TSB volume, and continued Air Bag and Fuel/Propulsion System complaints mean it should be purchased with thorough pre-purchase inspection and documentation of all recall completion status.

11
Open recalls
NHTSA campaigns
158
Service bulletins
Manufacturer communications
6
ODI investigations
Office of Defects Investigation
482
Owner complaints
13 involved a crash · 20 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Rollover★★★★★

Owner complaints filed with NHTSA, by component

All 482 complaints on record, top 8 components.

Air Bags102
Fuel/Propulsion System75
Electrical System27
Power Train26
Engine19
Structure15
Service Brakes14
Steering14

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 11 campaigns on record for this vehicle.

19V018000Air Bags:Frontal:Passenger Side:Inflator ModuleReported 15/01/2019

Chrysler (FCA US LLC) is recalling certain 2010 Dodge Ram 3500, Ram 4500/5500, 2010-2011 Dodge Dakota, 2010-2014 Dodge Challenger, 2010-2015 Dodge Challenger, Chrysler 300, and 2010-2016 Jeep Wrangler vehicles. Upon… Remedy: Owners are advised not to drive their vehicle until the recall repair is complete. Chrysler will notify owners, and dealers will replace the passenger frontal air bag inflator…

19V680000Seat Belts:Front:AnchorageReported 26/09/2019

Chrysler (FCA US LLC) is recalling certain 2011-2018 Jeep Wrangler right hand drive vehicles. The driver's seat belt buckle mounting strap may fracture and separate from the seat frame. Remedy: FCA US will notify owners, and dealers will replace the driver's seat belt buckle, free of charge. Interim notices informing owners of the safety risk were mailed November 19…

Technical service bulletins NHTSA · verified

Showing 5 of 158 bulletins on record with NHTSA.

BulletinDateComponentSummary
1074182025-09-18Service BrakesSWITCH - CLUTCH STARTER INTERLOCK & MASTER CYLINDER ASSEMBLY - CLUTCH
91006452025-08-15Unknown Or OtherVerify Reman part number availability. Order the "R" part number for all orders…
91006532025-08-15Unknown Or OtherVerify Reman part number availability. Order the "R" part number for all orders…
1039542025-04-02Unknown Or OtherACTUATOR - A/C AND HEATER
1040872025-04-02Unknown Or OtherACTUATOR - A/C AND HEATER

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific Wrangler. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

Does the 2011 Wrangler have open recalls?

NHTSA lists 11 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the 2.8L get?

EPA figures are 15 city / 19 highway / 17 combined mpg.