JeepWrangler20133.6L/jeep/wrangler/2013/3-6l/
JK platform

2013 Jeep Wrangler — 3.6L

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2013 Wrangler 3.6L.

Body SUVEngine 3.6LTransmission Automatic 5-spd

The 2013 Jeep Wrangler 3.6L is a JK-platform SUV powered by a 3.6L engine and five-speed automatic transmission, carrying an EPA rating of 17/21/18 mpg and calling for 6.0 quarts of 5W-20 API engine oil. Within the 1990–2023 Wrangler complaint record, this model year sits between the extremes: its 647 owner complaints are well below the 1,793 reported for the 2018 model yet far above the 5 logged for 1996. Those complaints cluster most heavily in steering and powertrain, and the model carries seven recalls, a profile that positions the 2013 Wrangler as a mid-pack year rather than a standout problem or problem-free entry in the model's documented history.

Model year20192018201720162015201420132012

Quick specs

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

Engine oil capacity6.0 qtOEM · verified
Engine oil type5W-20 APIOEM · verified
Lug nut torque95 ft-lbsOEM · verified
EPA fuel economy17/21/18 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI 48 · 600 CCA battery, OE oil filter 68079744AD. 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 48 · 600 CCAOEM · verified
Tire sizeP225-75R16OEM · verified
Wheel / rim7.5 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter68079744AD
Engine air filter68257791AB
Spark plugSP149125AF
BatteryBBH6F001AA
Front wiper blades1BP00670AA alt 68002390AA
Thermostat05184894AA alt 05184651AI
Cabin air filter68535613AA

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 5-spd

Dimensions & weight NHTSA vPIC

Overall length152.8 in
Overall width73.6 in
Overall height72.4 in
Wheelbase95.3 in
Curb weight4131 lb
Track (front / rear)62.6 / 62.6 in
Weight distribution (front / rear)50/50

Ratings & economy EPA / vPIC

EPA city / highway / combined17 / 21 / 18 mpg
Drivetrain4-Wheel Drive
Recommended fuelRegular Gasoline

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

No 2013 road test on record; the results below are same-engine tests from nearby model years, each shown under its own year.

6.1–8.8 sec0–60 mph (tested)quickest 6.10 sec — 2018 Sport 2-door
YearTrim / engine0–60¼ mileHPDrivetrain
2012Sport 2-door 3.6L V66.70 sec15.20 sec285 hp4x4
2012Sahara 2-door 3.6L V66.80 sec15.30 sec285 hp4x4
2012Unlimited Rubicon 4-door 3.6L V67.60 sec16.10 sec285 hp4x4
2012Sahara 2-door 3.6L V67.80 sec15.50 sec285 hp4x4
2012Unlimited Rubicon 4-door 3.6L V67.80 sec16.30 sec285 hp4x4
2012Unlimited Rubicon Xplore 4-door 3.6L V68.80 sec16.80 sec285 hp4x4
2014Willys Trail Rated 2-door 3.6L V66.60 sec15.30 sec285 hp4x4
2014Unlimited Willys Wheeler Edition 4-door 3.6L V67.80 sec16.10 sec285 hp4x4

Service quick specs OEM factory data

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

This engine holds 6.0 qt of 5W-20 API engine oil, 75W-85 · 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. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.

Lubricants & capacities

Automatic Transmission FluidATF+4
Automatic Transmission Fluid Capacity5.3
Brake FluidDOT 3
Differential Gear Oil75W-85 · GL-5
Differential Gear Oil Capacity3 Pints
Engine Oil5W-20 · API · MS-6395
Engine Oil Capacity6.0 qt
Manual Transmission FluidMS9224

Engine torques

Camshaft Bearing/Carrier Cap Bolts or Studs7 ft-lbs
Engine Flywheel Bolts70 ft-lbs
Exhaust Manifold to Cylinder Head Bolts17 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 Capacity1.38 lbs
Oil GroupPAG
Oil Type46
Oil Capacity5.00 oz
Standard BCI Group Number48
Standard BCI Cranking Performance600 cca

Service checks

Pressure Test18 psi
Radiator Cap Pressure Relief18-21 psi
Thermostat Opening Temperature195 °F
Regulated Fuel System Pressure (With Vacuum)56-60 psi
Engine Compression100 Minimum psi
Engine Oil Pressure5
Intake Valve LashHydraulic in
Exhaust 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
115 ft. lbs., Step 2: 9015 ft. lbs
Crankshaft Pulley and/or Damper Bolts — tightening sequence 1 stages
130 ft. lbs., step 2: 10530 ft. lbs
Cylinder Head — tightening sequence 9 stages
122.0 ft. lbs.22 ft. lbs
233.0 ft. lbs.33 ft. lbs
375 degrees CAUTION: Do not use a torque wrench for this step.75 degrees
450 degrees CAUTION: Do not use a torque wrench for this step.50 degrees
5Loosen bolts in reverse sequence
622.0 ft. lbs.22 ft. lbs
733.0 ft. lbs.33 ft. lbs
870 degrees CAUTION: Do not use a torque wrench for this step.70 degrees
970 degrees CAUTION: Do not use a torque wrench for this step.; Bolts should be checked for stretching using a straight edge. Ay bolts that show stretching should be replaced.70 degrees

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 10,000 mi; spark plugs every 100,000 mi; coolant every 10,000 mi. The big-interval services (every 10,000 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 10,000 miBattery (inspect) · Body Latches, Locks & Hinges (inspect) · Brake System (inspect) · Engine Coolant System (inspect fluid level) · Engine Coolant System Hoses (inspect) · Engine Oil (drain & refill)
At 20,000 miBody Latches, Locks & Hinges (inspect) · Differential (inspect fluid level)
Every 20,000 miBrake Linings (inspect) · CV Joint Boot (inspect) · Parking Brake System (inspect) · Suspension System (inspect) · Tie Rod (inspect)
At 30,000 miTransfer Case Assembly (inspect fluid level)
Every 30,000 miEngine Air Filter Element (replace)
Every 40,000 miDifferential (inspect fluid level)
Every 60,000 miTransfer Case Assembly (inspect fluid level)
Every 100,000 miPCV Valve (inspect) · Spark Plug Wires (replace) · Spark Plugs (replace)
At 120,000 miTransmission Fluid & Filter (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.

From 1990 to 2023 the Jeep Wrangler’s federal complaint count rose sharply through the 2000s, reaching a peak of 1,255 in 2008. After that peak, complaints fell to 684 in 2010 and 482 in 2011 before rising again to 828 in 2012, then declined to 647 in 2013 and remained similar at 647 in 2014. Recalls in 2013 numbered 7 with 4 investigations, both below the 2010‑2012 highs (11 recalls, 6 investigations) but above the low‑recall years of the mid‑1990s. Technical service bulletins totaled 236 in 2013, a high figure relative to the 1990s‑early‑2000s but well under the 2018 peak of 704. The data do not specify any root cause for these complaints, recalls, or investigations. Because 2013’s complaint, recall, and investigation levels are modest compared with the surrounding years and the generation’s overall trend, it represents a comparatively favorable used‑Wrangler year, pending a thorough pre‑purchase inspection.

7
Open recalls
NHTSA campaigns
236
Service bulletins
Manufacturer communications
4
ODI investigations
Office of Defects Investigation
647
Owner complaints
14 involved a crash · 16 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Rollover★★★★★

Owner complaints filed with NHTSA, by component

All 647 complaints on record, top 8 components.

Steering,Power Train118
Engine65
Power Train62
Service Brakes42
Air Bags40
Unknown Or Other30
Electrical System26
Steering17

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 7 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 236 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

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VIN
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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

How much oil does the 2013 Wrangler 3.6L take?

6.0 qt of 5W-20 API MEETING CHRYSLER SPECIFICATION MS-6395, per the factory manual.

Does the 2013 Wrangler have open recalls?

NHTSA lists 7 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the 3.6L get?

EPA figures are 17 city / 21 highway / 18 combined mpg.