Jeep›Wrangler›2006›2.4L/jeep/wrangler/2006/2-4l/

TJ platform

2006 Jeep Wrangler — 2.4L

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2006 Wrangler 2.4L.

Body SUVEngine 2.4LTransmission Manual 6-spd

The 2006 Jeep Wrangler 2.4L is a TJ‑platform SUV equipped with a 2.4‑liter engine that requires 5 qt of 5W‑30 API oil with filter and is mated to a six‑speed manual transmission, delivering EPA‑rated fuel economy of 16/19/17 mpg. Ownership data show the 2006 model generated 730 total complaints, with the fuel system (gasoline) being the leading trouble spot and three recalls recorded for the year. Within the 1990‑2023 complaint history, the 2006 figure sits well above the low of 5 complaints in 1996 but far below the peak of 1,793 complaints in 2018, indicating a middling reliability position for this Wrangler year.

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 Note the factory front wiper blades is now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known.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 / rim8 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter	05281090AB alt 04105409AE
Engine air filter	04797777AC alt 05019443AA
Spark plug	SP000ZFR5N alt 68303920AA
Battery	BB34F101AA alt 04609365AE
Front wiper blades	55154762AF discontinued
Serpentine belt	04854033AC alt 53013209AD
Thermostat	53010552AC alt 52028186AC

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
Brake Fluid	DOT 3
Differential Gear Oil	80W-90 · GL-5 · SYNTHETIC
Differential Gear Oil Capacity	4 pints, mvc front, non_mvc 216
Engine Coolant	HOAT · MS9769
Engine Oil	5W-30 · API
Engine Oil Capacity	5 qt w/ filter

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)	56-60 psi
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 30,000 mi; coolant every 60,000 mi. The big-interval services (every 60,000 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)
Every 12,000 mi	Suspension System (inspect)
Every 18,000 mi	Brake Linings (inspect)
Every 30,000 mi	Engine Air Filter Element (inspect) · Spark Plugs (replace) · Transmission Assembly (inspect fluid level)
Every 60,000 mi	Accessory Drive Belt (inspect) · Engine Coolant System (drain, flush & refill) · PCV Valve (inspect) · Spark Plug Wires (replace)
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 2006 Jeep Wrangler recorded 730 consumer complaints, three federal recalls and one investigation, placing its complaint volume above the 649 reported for 2005 but below the 1,056 reported for 2007, indicating a mid‑range position in an otherwise upward trend. Fuel‑system and gasoline‑related problems accounted for the majority of the 350 and 114 complaints respectively, while power‑train and steering/suspension issues added 47 and 31 complaints, respectively, and the model generated seven crash‑related and seven fire‑related complaints that year. Compared with the surrounding years, the 2006 figures suggest relatively modest recall activity but a concentration of fuel‑system concerns that are not reflected in recall counts. The data does not specify a root cause for these complaints, only that they are documented. Given the moderate complaint level and limited recall impact, a used 2006 Wrangler can be considered a viable purchase provided the vehicle undergoes a thorough inspection for fuel‑system defects.

Open recalls

NHTSA campaigns

Service bulletins

Manufacturer communications

ODI investigations

Office of Defects Investigation

730

Owner complaints

7 involved a crash · 7 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 730 complaints on record, top 8 components.

Fuel System, Gasoline350

Fuel/Propulsion System114

Power Train47

Steering,Suspension31

Steering27

Suspension17

Electrical System16

Engine & Engine Cooling12

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 3 campaigns on record for this vehicle.

15V222000Power Train:Clutch Assembly:Pedal/Hand Lever(Motorcycle)Reported 15/04/2015

Chrysler (FCA US LLC) is recalling certain model year 2006 Dodge Viper and Jeep Wrangler and Liberty vehicles manufactured July 1, 2005, to July 31, 2006. In the affected vehicles, the springs within the clutch pedal… Remedy: Chrysler will notify owners, and dealers will replace the clutch ignition interlock switch, free of charge. The recall began on August 31, 2015. Owners may contact Chrysler…

06V147000Power Train:Clutch AssemblyReported 03/05/2006

ON CERTAIN SPORT UTILITY VEHICLES EQUIPPED WITH 6 SPEED MANUAL TRANSMISSIONS, THE HYDRAULIC CLUTCH MASTER CYLINDER LINKAGE ROD MAY BREAK. THIS MAY NOT ALLOW DISENGAGEMENT OF THE CLUTCH WHEN THE PEDAL IS DEPRESSED. Remedy: DEALERS WILL REPLACE THE CLUTCH MASTER CYLINDER LINKAGE ROD FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 7, 2006. OWNERS MAY CONTACT DAIMLERCHRYSLER AT 1-800-853-1403.

Technical service bulletins NHTSA · verified

Showing 5 of 31 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…
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…
S2025000005	2020-06-01	Electrical System	Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes P0407 ? EGR…

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 2006 Wrangler 2.4L take?

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

Does the 2006 Wrangler have open recalls?

NHTSA lists 3 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.