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2005 Subaru Legacy Engine Problems and Repair Histories

142 TrueDelta members own a 2005 Subaru Legacy. 58 of these members (40.8%) have reported engine repairs for their car. A total of 87 engine repairs to 2005 Subaru Legacys--an average of 0.6 per vehicle--have been reported.

See our lemon odds and nada odds page for more details. To see how frequently 2005 Subaru Legacy problems occur, check out our car reliability stats.

Want to read about specific problems behind these stats? Jump to the 2005 Subaru Legacy problem descriptions below.

Don't infer 2005 Subaru Legacy problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.

Percentage of 2005 Subaru Legacy repairs by problem area

33% of the 2005 Subaru Legacy repairs were to the engine, 11% to the transmission, 8% to the brakes, 22% to the suspension, 17% to the electrical or air-conditioning systems, 5% to the body and trim, and 5% to other areas of the vehicle.

Chart based on 266 repairs.

2005 Subaru Legacy engine repair cost distribution

Of the 2005 Subaru Legacy engine repairs that were not covered by warranty and were not do-it-yourself repairs, 17% cost less than $100, 41% between $100 and $499, 19% between $500 and $999, 17% between $1000 and $2499, and 7% more than $2500.

Chart based on 59 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten 2005 Subaru Legacy Engine problems and repair histories. Log in or join us to see them all.
Repair costs are in local units.

2005 Subaru Legacy 4dr Wagon

turbocharged 250hp 2.5L H4 5-speed shiftable automatic AWD

Subaru Legacy in Michigan, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Feb 2006 19000    
42000 155 Turbocharger failure. Subaru did a "goodwill" coverage for the costs because I had extensive receipts for maintenance. 
86000 50 oil dipstick gasket replaced. Solved oil leak. 
 
Subaru Legacy in California, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Sep 2006 21000    
51000 0 Turbo Charger died around 52,875K. It was in the shop for 7 days. (partly because of the Holiday and parts had to come from Manufacturer). 
Subaru Legacy in Texas, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Oct 2009 69000    
79000 415 Strong raw fuel smell in and around car; suspected fuel line/fuel injector leak. Dealer's pressure test and visual inspection showed "no problem". No fuel smell at pickup at dealer. 
 

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2005 Subaru Legacy 4dr Wagon

turbocharged 250hp 2.5L H4 5-speed manual AWD

Subaru Legacy in California, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Nov 2007 35000    
72000 40 Coolant overflow/failed rad cap problem fixed per TSB 09-52-08 
75000 0 Oil consumption >1L per 1000mi. Leakdown and compression test. 60% loss -- 105 psi (normal 175-145psi). Suspect piston ring failure. Note: passed later test, now suspect turbo. 
84000 1100 Radiator had a blockage. Rodded out radiator and replaced coolant. Shop also found intercooler leaking ($800 of repair in parts, replaced with aftermarket part). This was likely caused by aftermarket parts. 
95000 5400 Two blown up piston rings 
98000 800 Fluid filled mount was leaking. Replaced. Dealer had never seen anything like it. (Tracked car) 
108500 240 Replaced squealing AC tensioner. 
116000 0 Found oil leak in a hose. Put over to order parts. Possible warranty item from engine replacement. 
117000 300 Leak in hose repaired. Had to replace intake hose as well as it was looking rough. 
135700 2300 During clutch job, dealer noticed a rear seal leak. 
135000  
Subaru Legacy in California, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Jun 2009 40000    
44000 0 Blown turbo due to clogged oil filter on line leading to turbo. Apparently common problem on the 2005 Legacy GT's. Replacing unit with aftermarket turbo. 
 
Subaru Legacy in Ohio, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Sep 2005 0    
20000 0 Black sooty buildup at exhaust pipe tips. Dealer said this is normal. Our other car, with a turbocharged engine alos, does not have any evidence of soot at the tail pipe. After driving ~ 15-20 minutes to get to interstate, exhaust smokes so you can't see out the rearview mirror accelerating onto the freeway in cold weather. Dealer says this is normal. Car hesitates or misses, occaisionally when driving 35-40 mph in 3rd gear, cruise on or not. They reflashed the engine contol module. It helped decrease the frequency, but did not eliminate the problem. 
50000  
Subaru Legacy in Texas, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Sep 2006 26000    
42000 176 OBD reported "system too lean", inspected/cleaned injectors, checked/adjusted all intake connections and junctions. 
54000 0 A bolt backed out of the tensioner for the accessory drive belt that runs the alternator and power steering. Alerted by belt squeal, I repaired this myself in a Wal-Mart parking lot because the bolt was still present, just loose from the tensioner. 
83000  

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2005 Subaru Legacy 4dr Wagon

168-horsepower 2.5L H4 5-speed manual AWD

Subaru Legacy in Maine, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Apr 2009 68000    
71000 0 Dealer mechanic discovered minor oil leak in head gasket, will keep an eye on it and fix with extended warranty when it gets worse. 
80000 250 Small oil and Coolant leak from head gasket, gasket replaced under extended warrenty. mechanic discovered thermostat was sticking, they replaced thermostat, at my cost for the part. idler pulley for timing belt going bad, replaced under extended warranty, I had to pay for a new timing belt. 
123500 150 Cruise kicks off, then engine pings, and surges, after about a minute it acts normal. NO CODES! Replaced spark plugs and knock sensor. It still has the problem. 
125000 400 Engine still pings, misses, surges, stalls, has no power, or has great power while still doing the above. On a rare occasion it will run perfectly for a few min. Subaru said it was my gas and wouldn't look further. After 30 tanks of gas! 
126000 220 Local shop put in a used computer, 3 months of problems are now fixed. 
162000  

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2005 Subaru Legacy 4dr Sedan

turbocharged 250hp 2.5L H4 5-speed manual AWD

Subaru Legacy in Alaska, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Aug 2006 14000    
42000 50 Faulty fuel injector, causing misfire in cylinder 3. 
 
Subaru Legacy in Georgia, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Jul 2007 28000    
29000 0 Originally brought car in for check engine light and the Turbo Fan Relay recall. The car ran rough at idle and studdered at 2800rpm. Dealer replaced the ECM(computer). 
34000 0 Rough idle again and poor performance. Dealer replace #2 injector, but did not solve the problem. Possibly another injector is defective along with a needed ECM reflash dealer didn't have time to complete last visit. Bringing back to dealer to fix again. 
37000 542 Rough idle and poor performance still exist, dealers dianostic computer was down and could not determine which injector was bad. Must go back to dealer, AGAIN! Rough idle and poor performance problem still. Different dealer(out of town) did not find anything wrong with the injectors but had fouled up plugs. Preformed 30,000 service which included new plugs, carbon cleaning, etc. Ran great for about 100 miles the 
41000 0 Replaced the number 4 injector and the car has been running great. 
51000 86 I had the turbo banjo bolt removed after reading a TSB that the banjo filter could become clogged and starve the turbo of oil causing it to seize. Dealer recommended removal of filter rather than cleaning every 3000 miles at a cost of $90 in labor. 
92000 1500 Valve cover gasket leak. Typical expensive repair on all subaru's around 100k. Had them replaced along with I minor oil leak from the oil filter attachment. 
103000  

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