SubaruOutback20063.0L/subaru/outback/2006/3-0l/

2006 Subaru Outback — 3.0L

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2006 Outback 3.0L.

Body SUVEngine 3.0LTransmission Automatic (S5)

The 2006 Subaru Outback 3.0L is an SUV configured with a 3.0-liter engine and S5 automatic transmission, requiring 5.8 quarts of 5W-30 API oil and returning EPA estimates of 17/24/20 mpg. Within the model’s 1995–2026 complaint history—a range bookended by two grievances in 1995 and 1,029 in 2019—this year contributes 280 total owner complaints and seven recalls, with vehicle speed control cited as the primary trouble area. That tally situates the 2006 variant well below the lineage’s peak complaint volume and closer to its historical floor, providing a reference marker that sits on the quieter side of the reliability spectrum.

Model year200920082007200620052004200320022001

Quick specs

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

Engine oil capacity5.8 qtOEM · verified
Engine oil type5W-30 APIOEM · verified
Lug nut torque74-89 ft-lbsOEM · verified
EPA fuel economy17/24/20 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI 35 · 490 CCA battery. 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 35 · 490 CCAOEM · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic (S5)

Dimensions & weight NHTSA vPIC

Overall length175.6 in
Overall width67.3 in
Overall height59.1 in
Wheelbase99.2 in
Curb weight3071 lb
Track (front / rear)57.1 / 57.5 in
Weight distribution (front / rear)57/43

Ratings & economy EPA / vPIC

EPA city / highway / combined17 / 24 / 20 mpg
Drivetrain4-Wheel or All-Wheel Drive
Recommended fuelPremium Gasoline

Service quick specs OEM factory data

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

This engine holds 5.8 qt of 5W-30 API engine oil, DOT 3 brake fluid. Torque lug nuts to 74-89 ft-lbs, the oil drain plug to 33.0 ft-lbs. The firing order is 1-6-3-2-5-4. 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
Automatic Transmission Fluid Capacity10.4
Brake FluidDOT 3
Engine CoolantETHYLENE GLYCOL
Engine Oil5W-30 · API
Engine Oil Capacity5.8 qt
Manual Transmission Fluid75W-90 · GL-5
Manual Transmission Fluid Capacity7.0-9.0

Engine torques

Connecting Rod (Large End) Bearings39 ft-lbs
Engine Flywheel Bolts53 ft-lbs
Intake Manifold to Engine Bolts18.1 ft-lbs
Exhaust Manifold to Cylinder Head Bolts22.4 ft-lbs
Engine Oil Pan Drain Plug33.0 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs5 ft-lbs

Chassis torques

Lug Nuts74-89 ft-lbs
Transfer Case Drain Plug17.0-20.0 ft-lbs
Front Wheel Hub162 ft-lbs
Rear Wheel Hub177 ft-lbs

Ignition

Cylinder Firing Order1-3-2-4
Cylinder Firing Order1-6-3-2-5-4
Curb Idle Speed (No Load)600 rpm
Curb Idle Speed Variance (No Load)50 rpm
Ignition Coil Secondary Resistance12,800 ohms
Spark Plug ManufacturerNGK
Spark Plug Torque15.0 ft-lbs
Ignition Timing Acceptable VarianceTurbo: 10, Non-Turbo: 8 degrees

Battery & A/C

RefrigerantR134a
Refrigerant Capacity0.88-1.65 lbs
Oil GroupPAG
Oil Capacity4.50-5.50 oz
Standard BCI Group Number35
Standard BCI Cranking Performance490 cca

Service checks

Pressure Test23 psi
Radiator Cap Pressure Relief14-18 psi
Thermostat Opening Temperature169-183 °F
Regulated Fuel System Pressure (Without Vacuum)48.0-53.0 psi
Regulated Fuel System Pressure (With Vacuum)40.0-45.0 psi
Injector Primary Resistance5-20 ohms
Engine Compression185-213 psi. 7 variance psi.

Brakes

Minimum Pad ThicknessFront: 0.059; Rear: 0.059 in

Multi-step torque procedures OEM · verified

Cylinder Head — tightening sequence 9 stages
114 ft. lbs.14 ft. lbs
237 ft. lbs.37 ft. lbs
3Loosen 180 degrees in the reverse order of installing.180 degrees
4Loosen 180 degrees in the reverse order of installing.180 degrees
514 ft. lbs.; Bolts 1-4:14 ft. lbs
635.4 ft. lbs.; Bolts 5-8:35.4 ft. lbs
733 ft. lbs.; All Bolts:33 ft. lbs
890 degrees.; Bolts 1-4:90 degrees
945 degrees.45 degrees

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter at 3,000 mi.

At 3,000 miEngine Oil (drain & refill) · Engine Oil Filter (replace)
Every 7,500 miBrake Line (inspect) · Brake Linings (inspect) · Brake Rotor (inspect) · Cabin Air Filter (replace) · Engine Oil (drain & refill) · Engine Oil Filter (replace)
At 15,000 miEngine Oil (drain & refill) · Engine Oil Filter (replace)
Every 15,000 miAxle Shaft Oil Seal (inspect) · CV Joint Boot (inspect) · Clutch Assembly (inspect)
Every 30,000 miBalance Shaft Drive Belt (inspect) · Differential (inspect fluid level) · Engine Air Filter Element (replace) · Engine Coolant System (leak inspection) · Fuel Line (inspect)
Every 60,000 miWheel Bearing (inspect)
At 105,000 miAccessory Drive Belt (inspect) · Drive Belt (replace) · Timing Belt (replace)

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 Outback sits at the peak of a complaint spike that defines its generation: complaints surged from 90 in 2004 to 273 in 2005 and crested at 280 in 2006 before falling sharply to 129 in 2007. Recalls, by contrast, declined from 11 in 2004 to 7 in 2006, and investigations dropped to zero after two consecutive years, suggesting regulators had not escalated concerns into formal probes even as consumer complaints mounted. The top complaint areas — Vehicle Speed Control (52), Air Bags (33), Suspension (22), and Engine (18) — are notably concentrated in safety-critical systems, and the year carries 7 crash complaints and 3 fire complaints in the federal record, though the data does not specify root causes for any of these categories. The 2008 model year saw complaints rebound to 230, indicating the underlying issues were not fully resolved after 2006, but 2007's drop to 129 suggests Subaru made meaningful mid-generation corrections. The TSB count held relatively steady (200–244) across 2005–2008, reflecting ongoing dealer-level technical attention without a dramatic shift. **Takeaway:** 2006 is the worst complaint year within its generation and carries concentrated safety-system grievances; a 2007 or later example from this generation offers a measurably cleaner federal record and is the smarter used purchase.

7
Open recalls
NHTSA campaigns
200
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
280
Owner complaints
7 involved a crash · 3 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Rollover★★★★

Owner complaints filed with NHTSA, by component

All 280 complaints on record, top 8 components.

Vehicle Speed Control52
Air Bags33
Suspension22
Engine18
Electrical System,Vehicle Speed Control10
Service Brakes9
Vehicle Speed Control,Fuel/Propulsion System9
Electrical System7

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 7 campaigns on record for this vehicle.

20V003000Air Bags:Frontal:Passenger Side:Inflator ModuleReported 02/01/2020

Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (including STI), 2003-2014 Legacy and Outback, and 2005-2006 Saab 9-2X vehicles originally sold… Remedy: Subaru will notify their owners. General Motors will notify Saab owners. Dealers will replace the passenger air bag inflators, free of charge. The recall began January 7, 2020…

20V002000Air Bags:Frontal:Passenger Side:Inflator ModuleReported 02/01/2020

Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (including STI), 2003-2014 Legacy and Outback, and 2006 Saab 9-2X vehicles originally sold, or… Remedy: Subaru will notify their owners. General Motors will notify Saab owners. Dealers will replace the passenger air bag inflators, free of charge. The recall began January 7, 2020…

Technical service bulletins NHTSA · verified

Showing 5 of 200 bulletins on record with NHTSA.

BulletinDateComponentSummary
SubaruNet Annoucement (E2026-06-11Unknown Or OtherThis announcement is requesting retailer staff to retain the EyeSight protective hood…
01-167-08R2026-05-18Unknown Or OtherThis bulletin contains additional information for recommended materials listed in the…
SubaruNet Announcement (R2026-05-04Power TrainThis announcement provides information on the remanufactured CVT transmission program.
07-240-26R2026-04-30Unknown Or OtherThis Service Information Bulletin was developed to provide interim guidance for vehicles…
03-97-262026-04-24Power TrainThis bulletin announces the service manual correction regarding clutch master cylinder…

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
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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 2006 Outback 3.0L take?

5.8 qt of 5W-30 API SM, per the factory manual.

Does the 2006 Outback have open recalls?

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

What gas mileage does the 3.0L get?

EPA figures are 17 city / 24 highway / 20 combined mpg.