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2008 Subaru Outback brakes problems
severe
Owners of the 2008 Subaru Outback have filed 28 NHTSA complaints about the brakes, typically surfacing around 138,573 miles at roughly $450 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation.See brakes across all vehicles →
Failure mileage
Q1 128kmed 139kQ3 174kn=21
Complaints
28
Recalls
2
Avg fix
$450
brakes complaints on the Subaru Outback, by model year
Of the 28 brakes complaints filed for the 2008 Subaru Outback,
here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
0-25k
0 (0%)
25-50k
0 (0%)
50-75k
1 (50%)
75-100k
0 (0%)
100-125k
1 (50%)
125-150k
0 (0%)
150k+
0 (0%)
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted.
Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits
and driving conditions shift the curve as much as mileage alone.
What stands out
All 2 active brakes recalls on this vehicle land at critical or severe — none classified moderate.
No new NHTSA brakes complaint has been filed on this vehicle in over 9 years — the issue may be aging out of the active population.
Brake line corrosion may result in brake fluid leakage. Fluid leakage may result in longer distances being required to slow or stop the vehicle, increasing the risk of a crash.
Fix: Subaru will notify owners, and dealers will test the brake system by depressing the brake pedal and inspecting for brake fluid leaks. If no brake fluid seepage is observed, the affected areas will be rustproofed with anti-corrosion wax. If brake fluid seepage is observed, the brake lines will be replaced followed by rustproofing with anti-corrosion wax. These services will be performed free of charge. The recall began July 2014 and second notifications will run through November 2014. Owners may contact Subaru at 1-800-782-2783. Subaru's recall campaign number is WQK-47. Note: This recall supersedes recall 13V-110 which applied to certain 2005-2009 Legacy/Outback vehicles. Vehicles that were remedied under the previous campaign still need additional areas rust-proofed.
Subaru is recalling certain model year 2005-2009 Outback and Legacy vehicles manufactured from December 2003, through April 2009 and currently, or formerly, registered in Connecticut, Delaware, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Wisconsin and the District of Columbia
Brake line corrosion may result in brake fluid leakage. Fluid leakage may result in longer distances being required to slow or stop the vehicle, increasing the risk of a crash.
Fix: Subaru will notify owners, and dealers will inspect the vehicles. If no brake fluid seepage is observed, the affected area will be rustproofed with anti-corrosion wax. If brake fluid seepage is observed, the brake lines will be replaced followed by rustproofing with anti-corrosion wax. These services will be performed free of charge. The recall began on May 30, 2013. Owners may contact Subaru at 1-800-782-2783. Subaru's recall campaign number is WQG-43.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering brakes on this vehicle — documented
repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall
(it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Service Bulletin06-90-24Jun 2024
This bulletin provides diagnosis and procedure information to be applied when diagnosing potential fluid leaks on front and rear brake calipers. This information has been developed to reduce unnecessary brake caliper replacement.
This Service Information bulletin announces instruction for application of additional lubrication between the brake caliper support and pad clips. This will prevent the pad from dragging due to corrosion buildup which may result in uneven or premature wear of the replacement brake pads. This additional instruction applies to all models with brake pads using the upper and lower pad clips and has been added to the brake pad installation procedures found in the related Service Manuals.
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Brake line corrosion and sudden rupture dominate complaints. The rear brake lines, routed beneath the fuel tank, corrode from salt and moisture trapped by the fuel tank splash shield. Owners report soft pedal, pedal loss to the floor, and complete brake failure at highway and city speeds. Several describe near-accidents or swerving into breakdown lanes or parking lots when braking failed entirely.
Subaru's 2014 recall (WQK-47, NHTSA 14V311000) applied anti-corrosion spray or wax coating to the lines rather than replacing them. Owners consistently report the coating wore away within 2–3 years or failed to arrest corrosion that was already underway. Many brake failures occurred 1–2 years after recall service. Subaru has denied repeated warranty and recall claims, calling subsequent failures wear items and stating the initial recall fulfilled their obligation.
One owner reported a stuck front driver-side brake caliper that wore pads unevenly; the dealer replaced pads but refused caliper replacement under warranty, and the manufacturer ultimately refunded only the pad cost after a year of complaints.
Another owner encountered sudden uncontrolled swerving on damp pavement after braking, attributed to ABS activation by a mechanic; no mechanical fault was found, but the driver remains wary of the vehicle.
Repair costs for brake line replacement range from $550 to $3,000, depending on whether the fuel tank and substructure must be removed. Owners have had to pay out-of-pocket after Subaru denied liability.
Same Subaru Outback brakes reports on nearby years: 2005 · 2006 · 2010 · 2011
Failure modes owners describe
Brake line corrosion and rupture
Brake lines—particularly rear lines routed under the fuel tank—corrode and rupture, causing sudden loss of brake pressure and complete brake failure. Corrosion appears to be accelerated by salt exposure and the design of the splash shield that traps moisture and salt against the steel lines. Even after recall service (WQK-47) that applied anti-corrosion coating, lines continue to deteriorate and eventually leak or rupture.
When: Typically 1–3+ years after recall service; mileage ranges from 85,000 to 160,000 noted in narratives; some failures at 20–40 mph in low-speed driving, others at highway speeds
Symptoms owners cite: Brake pedal becomes soft or loses firmness; Brake pedal travels to the floor with no stopping power; Brake fluid leaking visibly from under the vehicle or beneath the fuel tank area; Brake warning light illuminated; Sudden complete loss of braking with or without warning
Repairs/costs cited: Owners report replacement of rear brake lines costs $550–$3,000 (higher costs reflect need to drop fuel tank and substructure); some independent mechanics quoted ~$3,000 for full rear line replacement; dealers and Subaru have denied warranty coverage citing 'wear and tear' or previous recall service completion
Recalls/TSBs owners mention: NHTSA Recall Campaign 14V311000 (Subaru Service Campaign WQK-47) applied anti-corrosion coating (wax/spray inhibitor) rather than replacing lines; Subaru has denied repeated warranty claims and further recall coverage, claiming the initial recall was completed and subsequent failures are wear items or out of scope; some owners report dealerships applied the coating improperly or it wore away within 2–3 years
Stuck or sticking brake caliper (front driver side)
Front driver-side brake caliper sticks or binds, causing uneven brake wear. One brake pad grinds completely down while others remain normal for mileage. Dealer attributed to stuck caliper but failed to replace the caliper itself, only the pads, and charged the owner during the warranty period.
When: Discovered during routine service; appears early in vehicle life given new-car purchase
Symptoms owners cite: One front brake pad ground down excessively while others are normal; Steering wheel vibration or pulsation when braking; Grinding noise or sensation when braking
Repairs/costs cited: Brake pad replacement cost not specified; owner paid for pads under warranty complaint process after initial refusal; caliper was never replaced despite being identified as stuck
Recalls/TSBs owners mention: Dealer refused to replace caliper under warranty; manager blamed regional repair manager and declined to help; after nearly one year of complaints, Subaru refunded the brake pad cost only, not caliper replacement
Loss of braking control and swerving (possible ABS/traction control interaction)
Vehicle suddenly veered right and moved in an S-pattern on a damp (not icy or slick) road after brake application and lane change, nearly causing loss of control. Mechanic found no mechanical brake fault and suspected ABS activation; however, the event is unnerving enough that driver is uncomfortable with the vehicle.
When: Single incident while attempting a left lane change at low speed on damp pavement
Symptoms owners cite: Sudden swerving and S-pattern movement during braking and turn; Brake grinding heard briefly on initial partial pedal depression, but full depression was silent
Repairs/costs cited: Independent mechanic inspection found no mechanical defect; no repairs performed
Recalls/TSBs owners mention: No manufacturer contact reported; mechanic suggested possible ABS activation
Brake failure at stoplight (corrosion-induced rupture)
Brake pedal depressed at a stoplight traveled to the floor with a popping sound from the rear of the vehicle; rear passenger-side brake line had corroded completely through and ruptured inside the vehicle. Brake fluid leaked from the line. The vehicle had been serviced under recall WQK-47 approximately one year prior, but this section of line was not covered or failed to be treated.
When: Approximately 1 year after recall service; low-speed incident (10 mph stoplight braking)
Symptoms owners cite: Brake pedal depressed to the floor; Popping sound from rear of vehicle; Complete loss of brake function; Brake fluid leaking
Repairs/costs cited: Rear passenger-side brake line was corroded through and broken; required line replacement
Recalls/TSBs owners mention: Subaru refused to cover repair costs despite recall WQK-47 having been performed, claiming the failure was beyond the scope of the original recall
Multiple warning lights without clear diagnosis
ABS, traction control, engine, and other unknown warning lights illuminate simultaneously. Unable to be diagnosed by dealer. May represent a sensor or electrical fault linked to brake system condition, though narratives do not confirm.
When: At approximately 128,000 miles
Symptoms owners cite: ABS warning light; Traction control warning light; Engine warning light; Other unknown warning indicators
Repairs/costs cited: Vehicle was not repaired; no diagnostic codes extracted
Recalls/TSBs owners mention: Manufacturer was not made aware of the failure
Synthesized from 28 NHTSA owner complaints — unverified consumer
allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting
2 most recent
brakes · 72,300 mi
· filed 12/27/2016
On thursday, dec. 22, about 11:25 a.m., I came to a intersection of meadowlark lane and rt. 528 in rio rancho, nm. And got in the right turn lane. I depressed the brake pedal part-way, felt and heard the grinding under my foot. I lifted off my foot and depressed it fully (no noise or grinding) and came to a complete stop. I turned into the right lane of the 3-lane street. I wanted to get to…
brakes · 120,000 mi
· filed 11/27/2018
Tl* the contact owns a 2008 Subaru outback. While driving 40 MPH, the brake pedal was depressed and traveled to the floorboard. The vehicle failed to stop. The vehicle was taken to glanzmann Subaru (95 old york rd, jenkintown, pa 19046, 215-885-8282) to be repaired per NHTSA campaign number: 14v311000 (service brakes, hydraulic), but the remedy failed to repair the vehicle. The manufacturer was…
Had brakes trouble with your 2008 Subaru Outback?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the brakes problem on the 2008 Subaru Outback?
It's a meaningful issue. 28 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $450.
At what mileage does the brakes typically fail?
Across the 21 complaints that reported odometer mileage, most brakes failures cluster between 128,000 and 174,000 miles, with the median around 138,573. A quarter of owners report trouble before 128,000; a quarter make it past 174,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $450 for brakes repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to brakes?
Yes — 2 active recall(s) cover brakes issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2008/Subaru/Outback.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.