JeepLiberty20093.7L/jeep/liberty/2009/3-7l/
KK platform

2009 Jeep Liberty — 3.7L

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2009 Liberty 3.7L.

Body SUVEngine 3.7LTransmission Automatic 4-spd

The 2009 Jeep Liberty 3.7L is a mid‑size SUV built on the KK platform and powered by a 3.7‑liter engine that requires a 5‑quart oil change with filter using 5W‑20 API viscosity oil. Its automatic four‑speed transmission delivers fuel‑economy ratings of 16 mpg city, 22 mpg highway, and a combined 18 mpg, which stand out among its contemporaries. In the broader 2000‑2012 Liberty reliability record, the 2009 model falls well after the peak complaint year of 2002 (1,807 complaints) and near the low end of the range, with only 108 owner complaints overall and a single recall, indicating a relatively stable position in the model’s history.

Model year201220112010200920082007200620052004

Quick specs

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

Engine oil capacity5 qt w/ filterOEM · verified
Engine oil type5W-20 APIOEM · verified
Lug nut torque95 ft-lbsOEM · verified
EPA fuel economy16/22/18 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI 34 · 600 CCA battery, OE oil filter 05184231AB. 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 sizeP225-75R16OEM · verified
Wheel / rim7 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter05184231AB
Engine air filter68037059AA
Spark plugSPZFR6F11G
BatteryBB34F101AA
Front wiper blades68003937AB alt 68003941AB
Thermostat68174083AA
Cabin air filter68535612AA

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 4-spd

Dimensions & weight NHTSA vPIC

Overall length176.8 in
Overall width72.4 in
Overall height71.3 in
Wheelbase105.9 in
Curb weight4127 lb
Track (front / rear)61 / 60.2 in
Weight distribution (front / rear)52/48

Ratings & economy EPA / vPIC

EPA city / highway / combined16 / 22 / 18 mpg
DrivetrainRear-Wheel Drive
Recommended fuelRegular Gasoline

Performance & power Independent road tests

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

No 2009 road test on record; the results below are same-engine tests from nearby model years, each shown under its own year.

9.3 sec0–60 mph (tested)quickest 9.30 sec — 2008 Limited
210 hpHorsepower (as tested)
235 lb-ftTorque (as tested)
YearTrim / engine0–60¼ mileHPDrivetrain
2008Limited 3.7L V69.30 sec17.00 sec210 hp4x4

Service quick specs OEM factory data

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

This engine holds 5 qt w/ filter of 5W-20 API engine oil, Front: 80W- in the differential, DOT 3 brake fluid. Torque lug nuts to 95 ft-lbs. The firing order is 1-6-5-4-3-2.

Lubricants & capacities

Automatic Transmission FluidATF+4
Automatic Transmission Fluid Capacity4
Brake FluidDOT 3
Differential Gear OilFront: 80W-
Differential Gear Oil Capacity3.8 Pints
Engine CoolantHOAT · MS9769
Engine Oil5W-20 · API · MS-6395
Engine Oil Capacity5 qt w/ filter

Engine torques

Crankshaft Pulley and/or Damper Bolts130 ft-lbs
Crankshaft Pulley and/or Damper Bolts129 ft-lbs
Engine Flywheel Bolts70 ft-lbs
Intake Manifold to Engine Bolts8.8 ft-lbs
Exhaust Manifold to Cylinder Head Bolts18 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs21 ft-lbs

Chassis torques

Lug Nuts95 ft-lbs
Front Wheel Hub100 ft-lbs

Ignition

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

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.12 lbs
Oil GroupPAG
Oil Type46
Oil Capacity5.00 oz
Standard BCI Group Number34
Standard BCI Cranking Performance600 cca

Service checks

Pressure Test16, Pressure should not exceed 18 psi.
Radiator Cap Pressure Relief14-18 psi
Thermostat Opening Temperature195 °F
Regulated Fuel System Pressure (With Vacuum)56-60 psi
Injector Primary Resistance11.4-12.6 @ 68 degreesF ohms
Engine Compression170-225 psi
Engine Oil Pressure25 psi
Engine Oil Pressure RPM3000 rpm

Brakes

Torque Caliper to Bracket28 ft-lbs
Torque to Knuckle100 ft-lbs / 75 ft-lbs
Minimum Pad Thickness0.040 in
Minimum Shoe Thickness0.040 in
Rotor Max Parallel Variation0.00035 in / 0.000035 in
Rotor Runout Limit0.0008 in
Rotor Minimum Machining1.039 in / 0.409 in
Rotor Discard at or Under1.038 in / 0.408 in

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
120 ft. lbs., Step 2: 9020 ft. lbs
Main Bearings — tightening sequence 5 stages

Prep Install the bedplate retaining bolts, making sure to place the stud bolts in the correct location, Torque the bolts in the sequence shown.

1Hand tighten bolts 1D, 1G and 1F until the bedplate contacts the block.
2Tighten bolts 1A - 1J to 40 ft. lbs.40 ft. lbs
3Tighten bolts 1 - 8 to 5 ft. lbs.5 ft. lbs
4Turn bolts 1 - 8 an additional 90 degrees.90 degrees
5Tighten bolts A - E 20 to 20

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 6,000 mi; spark plugs every 30,000 mi; coolant at 102,000 mi. The big-interval services (at 102,000 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 6,000 miEngine Oil (drain & refill) · Engine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
At 12,000 miCV Joint Boot (inspect) · Exhaust System (Complete) (inspect)
Every 12,000 miBrake Linings (inspect)
Every 18,000 miDifferential (inspect fluid level)
Every 24,000 miCV Joint Boot (inspect) · Exhaust System (Complete) (inspect) · Steering Linkage (inspect) · Suspension System (inspect)
Every 30,000 miEngine Air Filter Element (replace) · Spark Plugs (replace) · Transfer Case Assembly (inspect fluid level)
Every 60,000 miSpark Plug Wires (replace)
Every 90,000 miPCV Valve (inspect)
At 102,000 miEngine Coolant System (drain, flush & refill)

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 2009 Jeep Liberty sits at the lowest point of a clear downward trend in complaints and recalls across the generation. The first-generation models (2002–2007) were plagued by high complaint volumes, peaking at 1,807 in 2002 and remaining above 1,100 through 2006, with recalls consistently in the double digits. A sharp decline began in 2007, and the second-generation 2008 model saw 540 complaints and 5 recalls, but the 2009 model year dropped further to just 108 complaints, 1 recall, and 1 investigation—the lowest figures in the entire dataset. While the top complaint areas for 2009 include fuel/propulsion system (14), structure (10), and electrical system (10), these numbers are modest compared to earlier years, and the single recall and investigation suggest no widespread systemic defects. The data indicates that 2009 represents the most refined and trouble-free model year in this generation, making it a strong candidate for a used purchase.

1
Open recalls
NHTSA campaigns
47
Service bulletins
Manufacturer communications
1
ODI investigations
Office of Defects Investigation
108
Owner complaints
2 involved a crash · 2 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Rollover★★★★★
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 108 complaints on record, top 8 components.

Fuel/Propulsion System14
Structure10
Electrical System10
Air Bags9
Fuel System, Gasoline6
Suspension5
Engine5
Structure,Unknown Or Other4

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

09E039000SuspensionReported 19/06/2009

ROCK KRAWLER IS RECALLING 44 PERFORMANCE SUSPENSION SYSTEMS SOLD AS AFTERMARKET EQUIPMENT FOR USE ON THE VEHICLE LISTED ABOVE. THESE SUSPENSION SYSTEMS WERE PRODUCED WITH GRADE 2 CARRIAGE BOLTS INSTEAD OF THE PROPER… Remedy: ROCK KRAWLER WILL NOTIFY OWNERS AND PROVIDE A FREE REMEDY. THE SAFETY RECALL BEGAN ON OCTOBER 15. 2008. ALL THE AFFECTED UNTITS HAVE BEEN REMEDIED. OWNERS MAY CONTACT ROCK KRAWLER…

Technical service bulletins NHTSA · verified

Showing 5 of 47 bulletins on record with NHTSA.

BulletinDateComponentSummary
1074182025-09-18Service BrakesSWITCH - CLUTCH STARTER INTERLOCK & MASTER CYLINDER ASSEMBLY - CLUTCH
91002262023-09-15Electrical SystemConnector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar…
91002262023-09-15Electrical SystemConnector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar…
90040092021-04-07Power TrainTransmission Kit with Torque Converter 1. All Promaster (VF) 3.6L/62TE equipped vehicles…
S1121000006RevA2020-08-19Power Train(Revision A) No Start No Crank ? Starter Will Not Engage And There Are No Related Codes…

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 Liberty. 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

How much oil does the 2009 Liberty 3.7L take?

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

Does the 2009 Liberty have open recalls?

NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the 3.7L get?

EPA figures are 16 city / 22 highway / 18 combined mpg.