Jeep›Wrangler›2005›4.0L/jeep/wrangler/2005/4-0l/

TJ platform

2005 Jeep Wrangler — 4.0L

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2005 Wrangler 4.0L.

Body SUVEngine 4.0LTransmission Automatic 4-spd

The 2005 Jeep Wrangler 4.0L is a TJ‑platform SUV powered by the 4.0‑liter inline‑six engine, which requires 6 quarts of 5W‑30 API oil with filter and is paired with an automatic four‑speed transmission delivering EPA‑rated fuel economy of 13/16/14 mpg. While its fuel system has been noted as the top complaint area, the model year logged 649 total owner complaints and was subject to two recalls. Placed within the 1990‑2023 complaint spectrum—where the lowest point was just five complaints in 1996 and the peak reached 1,793 in 2018—the 2005 Wrangler occupies a middle‑ground position, suggesting reliability that is better than the worst years but still above the early‑era baseline.

Model year2006 2005 2004 2003 2001 2000 1999 1998 1997

Quick specs

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

Engine oil capacity6 qt w/ filterOEM · verified

Engine oil type5W-30 APIOEM · verified

Lug nut torque95 ft-lbsOEM · verified

EPA fuel economy13/16/14 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 Note the factory front wiper blades is now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known.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

Automatic 4-spd

Ratings & economy EPA / vPIC

EPA city / highway / combined	13 / 16 / 14 mpg
Drivetrain	4-Wheel or All-Wheel Drive
Recommended fuel	Regular Gasoline

Performance & power Independent road tests

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

No 2005 road test on record; the results below are same-engine tests from nearby model years, each shown under its own year.

7.6–9.8 sec0–60 mph (tested)quickest 7.60 sec — 1997 Sport 2-door

Year	Trim / engine	0–60	¼ mile	HP	Drivetrain
2003	Rubicon 2-door 4.0L I-6	9.80 sec	17.30 sec	190 hp	4x4
1999	Sport 2-door 4.0L I-6	9.30 sec	17.10 sec	181 hp	4x4
1997	Sport 2-door 4.0L I-6	7.60 sec	16.30 sec	181 hp	4x4
1997	Sport 2-door 4.0L I-6	9.10 sec	16.90 sec	181 hp	4x4

Service quick specs OEM factory data

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

This engine holds 6 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 25.0 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

Connecting Rod (Large End) Bearings	33 ft-lbs
Crankshaft Pulley and/or Damper Bolts	129 ft-lbs
Engine Flywheel Bolts	105 ft-lbs
Engine Oil Pan Drain Plug	25.0 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	0.040 in
Spark Plug Torque	22.0 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	12-18 psi
Thermostat Opening Temperature	195 °F
Regulated Fuel System Pressure (With Vacuum)	56-60 psi
Injector Primary Resistance	10.8-13.2 @ 68 degreesF ohms
Engine Compression	120-150 psi
Engine Oil Pressure	13

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

Cylinder Head — tightening sequence 4 stages

Prep Coat threads of left hand front bolt with sealant

1	22 ft. lbs.	22 ft. lbs
2	45 ft. lbs.	45 ft. lbs
3	all bolts except L.H. front bolt	110 ft. lbs
4	100

Main Bearings — tightening sequence 7 stages

1	caps 1, 2, 4, 5, 6, and 7	40 ft. lbs
2	caps 1, 2, 4, 5, 6, and 7	70 ft. lbs
3	caps 1, 2, 4, 5, 6, and 7	80 ft. lbs
4	Push the crankshaft forward and backward. Load the crankshaft front or rear and tighten cap bolt No.3 to 40 ft. lbs.	40 ft. lbs
5	Tighten to 70 ft. lbs.	70 ft. lbs
6	Tighten to 80 ft. lbs.	80 ft. lbs
7	Rotate the crankshaft after tightening each main bearing cap to ensure the crankshaft rotates freely.

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 30,000 mi	Engine Air Filter Element (inspect)
Every 60,000 mi	Accessory Drive Belt (inspect) · PCV Valve (inspect) · Spark Plugs (replace)
At 102,000 mi	Engine Coolant System (drain, flush & refill)
At 120,000 mi	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 recorded 649 federal complaints, which exceeds the 192 complaints logged in 2004 but is below the 730 complaints of the following 2006 model. It incurred only two recalls and no investigations, placing its recall intensity between the three recalls of 2004 and the three recalls of 2006. The predominant complaint categories were Fuel System, Gasoline (343) and Fuel/Propulsion System (94), together comprising the majority of the 649 reports. Crash‑related complaints numbered ten and fire‑related complaints numbered nine for that year. Considering the elevated complaint volume paired with a low recall count, a buyer should treat the 2005 Wrangler as a viable option only after verifying service history and addressing fuel‑system concerns.

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 6 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 4.0L take?

6 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 4.0L get?

EPA figures are 13 city / 16 highway / 14 combined mpg.