2014 PORSCHE 718 CAYMAN

Typical onset: 60,000-120,000 mi

Symptoms: Excessive oil consumption (more than 1 qt per 1,000 mi), Cold-start smoke, blue or white, Rough idle or misfires that worsen over time, Loss of compression on cylinder leak-down test

Fix: Complete engine rebuild or short block replacement required. 40-60 hours labor depending on shop familiarity. Pistons, rings, cylinder liners, bearings, gaskets all replaced. Some opt for factory reman long block.

Estimated cost: $15,000-25,000

Typical onset: 40,000-80,000 mi

Symptoms: Metallic rattling from engine bay during cold start, Metal shavings in oil filter or drain plug, Sudden catastrophic engine failure with no warning

Fix: Though less common in the 981 than earlier 996/997 models, failure still occurs. Requires engine removal, flywheel/pressure plate off, IMS bearing replacement. Often done preventively during clutch jobs. 20-30 hours labor for bearing alone; if it fails, full engine rebuild needed.

Estimated cost: $2,500-4,000 (preventive) / $18,000-28,000 (post-failure rebuild)

Typical onset: 70,000-110,000 mi

Symptoms: Transmission fluid puddles under car, typically passenger side, Low fluid warnings on PDK-equipped cars, Burning smell after spirited driving, Transmission temp spikes on track or hills

Fix: External cooler lines crack at crimps or fittings due to heat cycling. Replace lines and top off fluid. 2-4 hours labor. PDK fluid is expensive. Manual trans cars also have cooler lines but less critical.

Estimated cost: $600-1,200

Typical onset: 60,000-90,000 mi

Symptoms: Clunking on throttle lift or hard acceleration, Shifter vibration at idle (manual trans), Excessive driveline movement visible during launch

Fix: Rubber mounts tear or collapse, especially on cars driven hard. Replace mount, sometimes both trans and engine mounts done together for labor savings. 2-3 hours labor per mount.

Estimated cost: $400-800

Typical onset: 80,000-120,000 mi

Symptoms: Intermittent rough idle or stumbling under load, Check engine light with fuel trim codes, Hard starting after sitting overnight, Hesitation at 3,000-4,000 RPM

Fix: In-tank fuel filter often neglected. Requires fuel tank drop or pump access. Some cars get contaminated fuel leading to injector issues. Filter replacement 3-4 hours; full pump/sender unit can be 5-6 hours.

Estimated cost: $600-1,400

Typical onset: 70,000-100,000 mi

Symptoms: Coolant smell in cabin or outside car, Low coolant warning light, Visible coolant seepage around tank seams, Overheating in severe cases

Fix: Plastic tank cracks at welds or mounting points from heat and vibration. Replace tank and bleed system. 2-3 hours labor. Easy DIY if you're comfortable with cooling system work.

Estimated cost: $400-700