| 1 | 0 | 3 | 4 | 3 | 4 |
2006 Subaru Legacy repairs by problem area
Engine (36%)
Transmission and Drivetrain (10%)
Brakes and Traction Control (3%)
Suspension and Steering (29%)
Electrical and Air Conditioning (11%)
Paint, Rust, Leaks, Rattles, and Trim (7%)
Other (4%)
Chart based on 211 repairs.
2006 Subaru Legacy engine repair cost distribution
$2500+ (1%)
$1000 - $2499 (14%)
$500 - $999 (22%)
$100 - $499 (32%)
< $100 (32%)
Chart based on 73 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2006 Subaru Legacy 4dr Wagon
turbocharged 250hp 2.5L H4 5-speed shiftable automatic AWD
| 125000 mi US $300 |
not as smooth at idle, and had developed a harmonic vibration at 1950 - 2000 rpm. had injectors cleaned. all symptoms cured or much improved. |
| 48980 mi $600 |
Radiator leaked water, engine overheated. Car had to be towed to workshop and replaced radiator. |
| 65100 mi $500 |
Engine mountings replaced |
| 11160 mi | Rough idle and check engine light, replaced idle valve. |
| 28520 mi C $500 |
ignition coil replaced |
| 40300 mi | engine check engine on. engine not running smoothly on 4 cylinders. VVT valve that takes care of cylinder 1 and 3 had to be replaced. |
| 62000 mi C $350 |
OCV Oil control valve |
| 65720 mi C $450 |
2 ignition coils needed after check engine light and rough idle. |
| 66340 mi C $70 |
idle switch |
| C $900 | exhaust midpipe rusted and perforated. |
| 69440 mi C $300 |
ignition coil |
| 70060 mi C $915 |
Tumbling valves |
| 75640 mi C $700 |
Up pipe from exhaust manifold to turbo charger cracked causing exhaust leak |
| 84320 mi C $1300 |
New radiator was required as plastic end tanks cracked upon removal. |
| 114000 mi US $312 |
Replaced #1 oxygen sensor. Had check engine light. Had repair done right away account driving with bad oxygen sensor can cause catalytic converter failure which would cause expensive replacement. First repair to this car since owning new. |
| 140000 mi US $530 |
My mechanic installed a new radiator account old one was leaking. |
| 54500 mi US $1400 |
Car overheated. Towed to shop. Replaced thermostat, leaking hose, water pump, timing belt + tensioners. |
| 69000 mi US $661 |
Check Engine Light - scan and retrieve codes |
| 69200 mi US $640 |
Radiator inlet hose popped off. Radiator inlet flange was damaged. Replaced radiator and inlet (top) hose. |
| 69000 mi | Check engine light came on 3 times in one week. Each time, the car went into 'limp' mode. Would not rev above 1200 rpm. Dealer read code P0638. Dealer was not able to diagnose further and did not attempt to repair. Check engine light came on 3 times in one week. Each time, the car went into 'limp' mode. Would not rev above 1200 rpm. Dealer read code P0638. Dealer was not able to diagnose further and did not attempt to repair. |
| 70000 mi | Got P0638 check engine light. Car went into limp mode. Dealer (Irvine Subaru) replaced ECM. When I went to pick up the car, I got P0638 again. Dealer replaced the throttle body (including sensor and actuator). |
| 83000 mi US $641 |
Engine leaking oil. Replaced valve cover gaskets. Also replaced leaky turbo coolant lines. |
| 104000 mi US $1300 |
Car was overheating, replaced water pump. Did timing belt too. Coolant leak. Replaced radiator hose. |
| 104000 mi | Coolant leak. Replaced radiator hose. |
2006 Subaru Legacy 4dr Wagon
175-horsepower 2.5L H4 5-speed manual AWD
| 71300 mi C $275 |
Oxygen sensor replaced |
| 125860 mi C $678 |
Leaking Valve cover Gasket. Had valves adjusted as well - they had not been adjusted at 160,000 - no adjustment was required. |
| 143220 mi C $530 |
Replaced Head gaskets due to oil leaks from both heads. Exhaust Valves and seats required machining. New valve seals and one cam shaft seal replaced. |
| 124020 mi C $67 |
After starting car thermostat failed to open resulting in a pressure release of some anti-freeze. Thermostat, seal and antifreeze replaced. |
| 155000 mi US $2000 |
replaced head gaskets |
2006 Subaru Legacy 4dr Wagon
175-horsepower 2.5L H4 4-speed shiftable automatic AWD
| 62300 mi | OBD reset for loose gas cap |
| 96000 mi US $1575 |
Problems with ECU/ECM. Update: Turns out it was NOT a defective ECU/ECM after all BUT a replaced ignition coil that was defective and needed OEM replacement to resolve problems. |
| 35900 mi | Raw fuel smell coming from engine bay on cold startups. Technician was unable to replicate but tightened clamps on fuel rail hoses which did not fix the issue. |
| 56400 mi US $320 |
Both VVT Oil pressure switches leaking oil. Switches replaced. |
| 62000 mi US $96 |
Replaced front Oxygen sensor to fix intermittent P0131 CEL code. |
| 66000 mi US $1400 |
Head gaskets leaking oil. Gaskets and all seals replaced. |
2006 Subaru Legacy 4dr Sedan
turbocharged 250hp 2.5L H4 5-speed shiftable automatic AWD
| 85000 mi US $1800 |
A stumble at idle processed to a check engine light, codes for failure of #4. A coil pack, an injector or a tight valve. After lengthy diagnosis (for which not charged), found to be a tight valve. All four lifters were replaced. |
| 119900 mi US $800 |
R&R Intake manifold |
| 129700 mi US $2200 |
Replace Radiator |
| 142900 mi | fix oil leak to turbocharger |
| 6200 mi | Vehicle towed due to indication of overheat. No overheating occurred. Due to spurious microwave emissions affecting computer network. |
| 57300 mi US $700 |
Tumble generator valve was bad; intake manifold was replaced. Radiator cap did not hold pressure. Replaced. |
| 64000 mi | Check engine light turned on. When dealer checked it (flutter valve sensor fault), there was no issue. |
2006 Subaru Legacy 4dr Sedan
turbocharged 250hp 2.5L H4 5-speed manual AWD
| 112800 mi US $345 |
Exhaust up pipe cracked causing P0171 engine code, rough idle, and stalling. |
| 144000 mi US $200 |
Turbo inlet hose was torn. Replaced with an aftermarket silicone inlet Plastic end cap on radiator cracked. Replaced with same-as-OEM readiator from Koyo |
| 144000 mi US $100 |
I had a misfire on cyls 2 and 3, which is when I found/replaced the turbo inlet hose in June '14. The cyl 2 misfire persisted. I pulled the coilpack, and it was corroded so I replaced. Car ran smoother, but cyl 2 misfire came back. |
| 126000 mi US $598 |
two emission control items had to be replaced |
| 19220 mi C $180 |
Primary O2 failure. |
| 140000 mi US $1500 |
Turbo broke, had to be sent out to the specialist (balancing equipment cost more than 1M). April: I should receive rebuild turbo next week. |
| 142200 mi US $700 |
turbo |
| 158000 mi US $100 |
Valve gasket leaking oil |
| 48000 mi | Faulty ECU - part ordered Replace ECU |
| 68000 mi US $100 |
brief malfunction causing check engine light to go off, no problem |
| 114000 mi US $250 |
Check engine light, low oil pressure, oil change, brakes resurfaced |
| 71000 mi US $465 |
Replace alternator. |
| 87000 mi US $30 |
Replace PCV valve system |
| US $40 | Replaced broken drive belts (power steering, AC, alternator) |
| 122000 mi US $75 |
Replaced failed boost control solenoid due to intermittent failure/low boost issues. |
| 127300 mi US $150 |
Radiator was leaking from top outlet, which was cracked. Replaced radiator and refilled coolant. |
| 131200 mi US $120 |
Replaced turbo inlet and intake manifold to TGV gaskets to fix intermittent low boost issues and rough idle in cold weather. |
2006 Subaru Legacy 4dr Sedan
175-horsepower 2.5L H4 5-speed manual AWD
| 60000 mi US $140 |
front o2 sensor failed |
| 65000 mi US $120 |
Replaced the front o2 sensor |
| 55000 mi | Right side head gasket failure |
2006 Subaru Legacy 4dr Sedan
175-horsepower 2.5L H4 4-speed shiftable automatic AWD
| 77000 mi US $2800 |
Engine gasket failed. Coolant leaking into engine. |
| 100600 mi C $2000 |
Leaking head gaskets. Leak in oil pan gasket. Replaced noisy idle pulley and belt tensioner. |
| 173000 mi US $2000 |
Head gasket leak, both sides, oil pan leak noticed and fixed at same time |
| 86000 mi US $300 |
Failed accelerator sensor caused gas pedal to become unresponsive mid-drive. Replaced pedal assembly. |
| 90000 mi US $400 |
Leakage from both radiator hoses. Radiator hoses and thermostat will require replacement. |
| 91000 mi | Radiator hose leak. Again. |
| 92300 mi US $50 |
leaky oil drain plug gasket |
| 112700 mi US $400 |
replaced accelerator position sensor |
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