Jeep›Wrangler›2005›2.4L/jeep/wrangler/2005/2-4l/

TJ platform

2005 Jeep Wrangler — 2.4L

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2005 Wrangler 2.4L.

Body SUVEngine 2.4LTransmission Manual 6-spd

The 2005 Jeep Wrangler, built on the TJ platform, is a rugged SUV powered by a 2.4‑liter inline‑four that delivers a manageable 16/19/17 mpg in city/highway/combined EPA testing. Equipped with a 6‑speed manual transmission and a recommended 5‑quart oil change using a 5W‑30 API oil, it balances off‑road capability with everyday drivability. In the broader reliability picture, this model year sits within the typical range of owner complaints for the Wrangler, with 649 total complaints—though not the highest or lowest in the line’s history—suggesting a steady, if not exceptional, reliability record for researchers evaluating long‑term ownership.

Model year2006 2005 2004 2003

Quick specs

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

Engine oil capacity5 qt w/ filterOEM · verified

Engine oil type5W-30 APIOEM · verified

Lug nut torque95 ft-lbsOEM · verified

EPA fuel economy16/19/17 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 05281090AB. Note the factory front wiper blades is now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known. 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 sizeLT245-75R16EOEM · verified

Wheel / rim7 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter	05281090AB alt 04105409AE
Engine air filter	04797777AC alt 05019443AA
Spark plug	SP000ZFR5N alt S2LZTR4A11
Battery	BB34F101AA alt 04868999AB
Front wiper blades	55154762AF discontinued
Serpentine belt	04854033AC alt 53013209AD
Thermostat	52028186AC alt 53010552AC

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

Transmission

Manual 6-spd

Ratings & economy EPA / vPIC

EPA city / highway / combined	16 / 19 / 17 mpg
Drivetrain	4-Wheel or All-Wheel Drive
Recommended fuel	Regular Gasoline

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-30 API engine oil, 80W-90 · GL-5 · SYNTHETIC in the differential, DOT 3 brake fluid. Torque lug nuts to 95 ft-lbs, the oil drain plug to 20.0 ft-lbs. The firing order is 1-5-3-6-2-4.

Lubricants & capacities

Automatic Transmission Fluid	ATF+4
Automatic Transmission Fluid Capacity	4
Automatic Transmission Fluid	ATF+4
Automatic Transmission Fluid Capacity	5.3
Brake Fluid	DOT 3
Differential Gear Oil	80W-90 · GL-5 · SYNTHETIC
Differential Gear Oil Capacity	2.5 Pints
Differential Gear Oil	80W-90 · GL-5 · SYNTHETIC

Engine torques

Camshaft Bearing/Carrier Cap Bolts or Studs	M6 Bolts: 9 ft-lbs, M8 Bolts: 18 ft-lbs
Crankshaft Pulley and/or Damper Bolts	100 ft-lbs
Crankshaft Pulley and/or Damper Bolts	129 ft-lbs
Engine Flywheel Bolts	70 ft-lbs
Intake Manifold to Engine Bolts	20.8 ft-lbs
Exhaust Manifold to Cylinder Head Bolts	14.5 ft-lbs
Engine Oil Pan Drain Plug	20.0 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs	21 ft-lbs

Chassis torques

Lug Nuts	95 ft-lbs
Transfer Case Fill Plug	Steel case: 35.0, Aluminum case: 18.0 ft-lbs
Transfer Case Drain Plug	Steel case: 35.0, Aluminum case: 18.0 ft-lbs
Front Wheel Hub	175 ft-lbs

Ignition

Cylinder Firing Order	1-3-4-2
Cylinder Firing Order	1-5-3-6-2-4
Spark Plug Manufacturer	Champion
Spark Plug Gap	0.048-0.053 in
Spark Plug Torque	11.0 ft-lbs

Battery & A/C

Refrigerant	R134a
Oil Group	PAG
Oil Type	ND 8 oil
Oil Capacity	6.10 oz
Standard BCI Group Number	34
Standard BCI Cranking Performance	600 cca

Service checks

Pressure Test	18 psi
Radiator Cap Pressure Relief	18-21 psi
Thermostat Opening Temperature	192-199 °F
Regulated Fuel System Pressure (With Vacuum)	47-51 psi
Injector Primary Resistance	10.8-13.2 @ 68 degreesF ohms
Engine Compression	170-225 psi
Engine Oil Pressure	4 psi @ Idle, 25-80 psi @ 3000 rpm psi

Brakes

Torque Caliper to Bracket	11 ft-lbs / 18 ft-lbs
Minimum Pad Thickness	0.030 in
Minimum Shoe Thickness	0.030
Rotor Max Parallel Variation	0.0005 in / 0.0007 in
Rotor Runout Limit	0.005 in / 0.004 in
Rotor Nominal Thickness From	0.94 in / 0.472 in
Rotor Nominal Thickness To	0.94 in / 0.472 in
Rotor Minimum Machining	0.894 in / 0.433 in

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages

15 ft. lbs., Step 2: 90

15 ft. lbs

Cylinder Head — tightening sequence 4 stages

Prep Coat bolt threads with clean engine oil

1	25 ft. lbs.	25 ft. lbs
2	50 ft. lbs.	50 ft. lbs
3	50 ft. lbs.	50 ft. lbs
4	90

Main Bearings — tightening sequence 1 stages

20 ft. lbs., Step 2: 45

20 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 6,000 mi; spark plugs every 60,000 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 mi	Engine Oil (drain & refill) · Engine Oil Filter (replace) · Steering Linkage (inspect) · Tire & Wheel Assembly (rotate) · Transmission Assembly (inspect fluid level)
Every 12,000 mi	Drive Axle Assembly (drain & refill) · Suspension Ball Joint (inspect)
Every 18,000 mi	Brake Linings (inspect)
Every 60,000 mi	Accessory Drive Belt (inspect) · PCV Valve (inspect) · Spark Plug Wires (replace) · Spark Plugs (replace)
At 102,000 mi	Engine Coolant System (drain, flush & refill)
At 120,000 mi	Timing Belt (replace) · Transfer Case Assembly (drain & 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 required	DRBIII scan tool (dealer / locksmith)
Why	Transmitter 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 needed	After Sentry Key Immobilizer Module (SKIM) replacement
Tool required	DRBIII scan tool
Also required	The 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 2005 model year marks a dramatic inflection point, with complaints surging to 649 from 192 in 2004—initiating an upward trend that peaks at 1,056 complaints by 2007—while recalls remained minimal at two campaigns and investigations registered zero. This positions 2005 at the leading edge of a reliability decline that intensified through 2006 and 2007, making it statistically preferable to the subsequent peak-trouble years but notably riskier than the immediately preceding 2003-2004 period. The data indicates 343 complaints concentrated in the fuel system category, though the specific root cause is unspecified, alongside nine fire complaints and ten crash complaints. Given the substantial complaint escalation without corresponding recall coverage to mitigate the dominant fuel system issues, prospective buyers should approach this year with heightened scrutiny and verify fuel system integrity prior to purchase.

Open recalls

NHTSA campaigns

Service bulletins

Manufacturer communications

ODI investigations

Office of Defects Investigation

649

Owner complaints

10 involved a crash · 9 a fire

NHTSA crash-test rating federal NCAP · out of 5 stars

Rollover★★★★★

Owner complaints by model year NHTSA · this generation & adjacent

’90 ’91 ’92 ’93 ’94 ’95 ’96 ’97 ’98 ’99 ’00 ’01 ’02 ’03 ’04’05’06 ’07 ’08 ’09 ’10 ’11 ’12 ’13 ’14 ’15 ’16 ’17 ’18 ’19 ’20 ’21 ’22 ’23

Owner complaints filed with NHTSA, by component

All 649 complaints on record, top 8 components.

Fuel System, Gasoline343

Fuel/Propulsion System94

Power Train29

Steering21

Steering,Suspension20

Suspension15

Electrical System13

Engine & Engine Cooling13

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 2 campaigns on record for this vehicle.

06E022000Service Brakes, HydraulicReported 13/03/2006

CERTAIN AFTERMARKET BRAKE HYDRAULIC MASTER CYLINDERS SOLD AS REPLACEMENT BRAKE CYLINDERS FOR CERTAIN FORD, DAIMLERCHRYSLER, AND JEEP PASSENGER VEHICLES. THESE BRAKE CYLINDERS WERE SOLD UNDER THE BRAND NAMES OF NAPA… Remedy: AFFINIA (BRAKE PARTS, INC.) WILL REPLACE THE SUBJECT BRAKE HYDRAULIC MASTER CYLINDERS FREE OF CHARGE. THE RECALL BEGAN ON MARCH 20, 2006. OWNERS CAN CONTACT AFFINA GROUP CUSTOMER…

05V460000Power Train:Automatic TransmissionReported 06/10/2005

ON CERTAIN PICKUP TRUCKS, SPORT UTILITY AND PASSENGER VEHICLES EQUIPPED WITH 42RLE AUTOMATIC TRANSMISSIONS, THE CUP PLUG THAT RETAINS THE PARK PAWL ANCHOR SHAFT MAY BE IMPROPERLY INSTALLED. IF THE SHAFT MOVES OUT OF… Remedy: DEALERS WILL INSPECT THE TRANSMISSIONS AND INSTALL A BRACKET TO ENSURE THE PARK PAWL ANCHOR SHAFT IS RETAINED IN THE PROPER POSITION. THE RECALL BEGAN ON NOVEMBER 28, 2005. OWNERS…

Technical service bulletins NHTSA · verified

Showing 5 of 51 bulletins on record with NHTSA.

Bulletin	Date	Component	Summary
101232	2024-10-29	Power Train	Plate - Planetary
9004009	2021-04-07	Power Train	Transmission Kit with Torque Converter 1. All Promaster (VF) 3.6L/62TE equipped vehicles…
9004009	2021-03-31	Power Train	Transmission Kit with Torque Converter 1. All Promaster (VF) 3.6L/62TE equipped vehicles…
9004275	2020-07-22	Electrical System	KEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC…
9004275	2020-07-22	Electrical System	KEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC…

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.

Group 34 battery Vehicles taking 5 qt w/ filter TJ-platform vehicles Engine oil filter 05281090AB Engine air filter 04797777AC Spark plug SP000ZFR5N Battery BB34F101AA

Reference guides

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

Vehicle recalls & TSBs OBD-II trouble codes Torque specifications Maintenance schedules Fluid capacities & specs

Frequently asked

How much oil does the 2005 Wrangler 2.4L take?

5 qt w/ filter of 5W-30 API, per the factory manual.

Does the 2005 Wrangler have open recalls?

NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the 2.4L get?

EPA figures are 16 city / 19 highway / 17 combined mpg.