2015 SUBARU BRZ

Typical onset: 60,000-90,000 mi

Symptoms: Sudden loss of power and metal-on-metal noise at high RPM, Oil starvation symptoms—low pressure warning, bearing knock, Coolant/oil mixing if RTV chunks block oil pickup, Catastrophic failure often occurs during spirited driving or track use

Fix: Complete short block or engine replacement required. Early FA20s had weak valve springs that break under sustained high RPM, and excess RTV sealant from factory assembly breaks off and clogs oil pickup screens. 20-30 labor hours for used engine swap, 35-45 hours for full rebuild with upgraded parts.

Estimated cost: $4,500-8,500

Typical onset: 40,000-80,000 mi

Symptoms: Grinding or chattering noise when clutch pedal is depressed, Noise worsens in cold weather, Eventually clutch disengagement becomes difficult or impossible, Some owners report noise starting as early as 20,000 miles

Fix: Transmission removal required to replace throwout bearing and often clutch assembly while in there. 8-10 labor hours. Many techs recommend replacing with upgraded bearing and doing clutch, pressure plate, and rear main seal as a package deal.

Estimated cost: $1,200-2,200

Typical onset: 50,000-90,000 mi

Symptoms: Excessive drivetrain movement during shifts, Clunking from underneath during acceleration/deceleration, Shifter feel becomes vague or notchy, Increased cabin vibration at idle

Fix: Rear transmission mount bushing deteriorates from engine torque and heat. Accessible from underneath, 1.5-2 hours labor. Many owners upgrade to stiffer aftermarket mounts.

Estimated cost: $200-450

Typical onset: 70,000-120,000 mi

Symptoms: Engine stumbling or cutting out during hard cornering (below 1/4 tank), Intermittent no-start conditions, Fuel pump whine audible from rear seats, CEL with lean fuel codes (P0171/P0174)

Fix: Fuel pump assembly replacement requires dropping tank. 3-4 labor hours. The factory fuel basket design is poor for track use—fuel sloshes away from pickup. Some owners install aftermarket baffles.

Estimated cost: $600-1,100

Typical onset: 60,000-100,000 mi

Symptoms: Transmission fluid dripping from front of vehicle, Low fluid causes hard or delayed shifts, Fluid found on subframe or undertray, Burning smell after highway driving

Fix: Cooler lines run along subframe and corrode or crack at crimp points. Line replacement requires lifting vehicle and sometimes subframe drop for access. 2-3 labor hours plus fluid/filter service.

Estimated cost: $400-750

Symptoms: High-pitched chirping or buzzing from rear of cabin at 3,000-4,000 RPM, Noise present since new or low mileage, No performance impact, purely audible annoyance, Resonance frequency varies with fuel pump speed

Fix: This is a fuel pump resonance issue caused by tank/pump bracket design. TSB exists but fixes are hit-or-miss. Some owners add dampening material to tank. Not a reliability concern. 1-2 hours for dampening attempts.

Estimated cost: $0-300