| 1 | 0 | 3 | 4 | 3 | 4 |
Porsche Cayman repairs by problem area
Engine (32%)
Transmission and Drivetrain (9%)
Brakes and Traction Control (3%)
Suspension and Steering (8%)
Electrical and Air Conditioning (28%)
Paint, Rust, Leaks, Rattles, and Trim (14%)
Other (6%)
Chart based on 359 repairs.
Porsche Cayman engine repair cost distribution
$2500+ (7%)
$1000 - $2499 (26%)
$500 - $999 (12%)
$100 - $499 (20%)
< $100 (35%)
Chart based on 106 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2016 Porsche Cayman 2dr Hatch
385-horsepower 3.8L H6 6-speed manual RWD
| 1000 mi | Following clutch repair, car displayed a low coolant warning and immediately steam appeared out of front right radiator. Pulled over, received tow to dealership. Dealer claims O-Ring failure but possibly due to prior fix. Parts replaced. |
2016 Porsche Cayman 2dr Hatch
325-horsepower 3.4L H6 6-speed manual RWD
| 1000 mi | Hesitation and surging during acceleration. Told they all do that. |
| 4000 mi | Brought in again with hesitation and surging problem during acceleration. Porsche Regional rep. felt it but said they all do that. Hard to believe. |
| 8000 mi US $275 |
Replaced pre-cat O2 sensors in an attempt to correct the hesitation/surging that occurs under mild acceleration, a problem since day one that Porsche refuses to fix. New O2 sensors did not fix the problem. |
| 25000 mi US $140 |
Shop attempted to diagnose hesitation/surging problem. Unsuccessful. |
2015 Porsche Cayman 2dr Hatch
340-horsepower 3.4L H6 6-speed manual RWD
| 36000 mi | PADM (dynamic engine/transmission mounts) failure |
| 11000 mi | Driver side engine intake fan needed replacement. It was making a ticking noise. |
2015 Porsche Cayman 2dr Hatch
275-horsepower 2.7L H6 7-speed automated manual RWD
| 44000 mi US $3500 |
high pressure fuel pump replaced. All filters replaced oil change |
2015 Porsche Cayman 2dr Hatch
275-horsepower 2.7L H6 6-speed manual RWD
| 12000 mi | Relay broke controlling transmission divert for coolant. Took a bit of time and a second visit to replace due to parts availability. |
| 38000 mi US $700 |
air oil separator leaking, replaced AOS |
2014 Porsche Cayman 2dr Hatch
325-horsepower 3.4L H6 7-speed automated manual RWD
| 9000 mi | Small oil leak. Dealer replace oil fill tube assembly. Still leaks after 2 attempts by Porsche to fix it. |
| 28000 mi | Fault engine control - Possible to drive on Evap leak - adjusted gas cap seal |
| 33000 mi | Fault engine Control - Possible to drive on - on June 4. scheduled shop on 6/13 Morning of, message disappeared, never returned. At least changed the oil. emissions issue |
| 29200 mi | Issue with emissions system, car said "cooling system" but dealer said it was only partly relevant. It had nothing to do with coolant/oil temps and could be driven (dealer said do not track it). |
| 30000 mi | Three trips, each roughly a week long to fix this problem. Latest fix and "confident the source of the problem" was a sport exhaust valve. |
2014 Porsche Cayman 2dr Hatch
325-horsepower 3.4L H6 6-speed manual RWD
| 5000 mi | Short in PADM engine mount |
| 47000 mi US $115 |
Leak, but it turned out to just be some overflow |
2014 Porsche Cayman 2dr Hatch
275-horsepower 2.7L H6 7-speed automated manual RWD
| 71000 mi US $100 |
"PSM Service", "auto stop/start off" error messages for last 100 miles.(.. somewhat common for this car per internet search)... scanned ECU w/my ELM scan tool & app >> No check engine light but codes for #6 cylinder misfire (P0306, P0356 & P2317 ) identified... purchase all 6 Ignition coil units & installed. |
2014 Porsche Cayman 2dr Hatch
275-horsepower 2.7L H6 6-speed manual RWD
| 7300 mi | Replaced faulty sensor after check engine light appeared. I was told by service advisor that it's a regional problem depending on the climate. |
2012 Porsche Cayman 2dr Hatch
330-horsepower 3.4L H6 6-speed manual RWD
| 17980 mi C $120 |
Replacement of sensor for detection that the clutch was depressed in order to start the engine. |
2010 Porsche Cayman 2dr Hatch
320-horsepower 3.4L H6 7-speed automated manual RWD
| 29000 mi | new spark plug and coil |
| 43400 mi C $400 |
Timing solenoid |
2009 Porsche Cayman 2dr Hatch
320-horsepower 3.4L H6 6-speed manual RWD
| 29000 mi US $800 |
Replace thermostat and waterpump under CPO |
2009 Porsche Cayman 2dr Hatch
265-horsepower 2.9L H6 7-speed automated manual RWD
| 76000 mi US $1100 |
Replaced air mass unit |
| 61100 mi US $250 |
Engine smokes on startup, I'm told that some just do this due to wider gap tolerances in Porsche engines, which lets oil seep through at rest. Replaced cracked breather hose that was dripping oil found in search for the source of the smoke. |
| 52000 mi US $800 |
Water pump replaced, found at an oil change. Oil change not included in the price (estimated). |
2009 Porsche Cayman 2dr Hatch
265-horsepower 2.9L H6 6-speed manual RWD
| 134000 mi US $2000 |
spark plugs and coils replaced |
| 18000 mi | Sometimes the car lets out a big puff of white smoke when starting. I was told this is normal. |
2008 Porsche Cayman 2dr Hatch
295-horsepower 3.4L H6 6-speed manual RWD
| 42000 mi US $3000 |
Clutch and flywheel replacement |
| 42300 mi | 2 ignition coils replaced under warranty |
| 49000 mi US $1200 |
Water pump for cooling system |
| 51000 mi US $600 |
Air-to-oil separator failed, sucking oil through engine intake and blowing clouds of smoke. |
| 50600 mi US $2300 |
Engine mount had shorn. Replaced engine mount. |
| 58000 mi US $17000 |
Car was taken in for a steering fluid leak and coolant leaking into the oil fill. Car was found to have warped cylinder heads and badly scored engine cylinders. Engine rear block was replaced, cylinder heads milled, fluid leak fixed. Car was purchased used so issues may have been due to how first owner drove it. |
| 44000 mi US $800 |
Air oil separater failed |
| 13300 mi | Intermittant "Coolant Low" warning light over period of 2-weeks. Dealer found radiator cap "not fully tightened" and evaporated coolant around threads of cap. Added coolant. Returned vehicle. |
| 29000 mi | Rattle under the car at 2200 and 3400 RPM. Dealer replaced sport exhaust under warranty. Rattle is still present. |
| 27000 mi | One of two radiator cooling fans located in the front on the car stopped working. I noticed cooling fan was running much more frequently. Dealer diagnosed this was due to remaining fan making up for non working fan and replaced under warranty. |
| 30000 mi | Carbon canister and charcoal filter (part of fuel evaporative system) was replaced under warranty. |
| 50000 mi US $600 |
Failure of air-oil separator (AOS). Replaced with OEM part. |
2008 Porsche Cayman 2dr Hatch
295-horsepower 3.4L H6 5-speed shiftable automatic RWD
| 43000 mi US $55 |
Mechanic checked car for known issues. Found that coolant settling tank cap was not holding up pressure correctly. |
2008 Porsche Cayman 2dr Hatch
245-horsepower 2.7L H6 5-speed shiftable automatic RWD
| 28000 mi US $700 |
replace water pump |
2008 Porsche Cayman 2dr Hatch
245-horsepower 2.7L H6 5-speed manual RWD
| 39900 mi | RMS leak repaired under CPO warranty |
| 58500 mi US $1200 |
Waterpump failed - had to have car towed and repaired. |
| 75000 mi US $1400 |
AOS failure leading to loss of oil. |
| 6000 mi | Reprogram body computer to allow remote to open the hatch. |
| 49600 mi C $1400 |
Water pump replaced due to noisy bearing. Thermostat also done at same time. |
2007 Porsche Cayman
Engine not specified
| 79000 mi £250 |
leak from front radiator |
2007 Porsche Cayman 2dr Hatch
295-horsepower 3.4L H6 6-speed manual RWD
| 38000 mi US $1800 |
Engine cylinder suffered oil starvation in one of the cylinders. The engine was a complete loss. |
| 35000 mi US $30 |
Replaced cracked gas cap. |
| 25000 mi US $1200 |
fuel smell |
| 67000 mi US $102 |
The air/oil separator on the intake broke causing a check engine light for lean condition at idle and a loud howling noise when off the gas. |
| 74091 mi US $1727 |
Replaced passenger's side catalytic converter due to engine trouble code |
| 61435 mi US $920 |
Mechanic noticed the water pump weeping coolant. Replaced the pump, the gasket, and the coolant. |
| 37000 mi US $400 |
Faulty engine oil temperature sensor. Diagnosed in one visit, ordered the part, returned for repair at a second visit. Repair took less than 4 hours. |
| 55000 mi US $3200 |
Worn friction plate, replaced clutch, flywheel, rear main seal. Re-seal leaking intermediate shaft flange. |
| 47000 mi US $350 |
Water pump failure. Noticed seepage and small amount of play in bearing during my annual service. I replaced with new Porsche pump and refilled with Porsche coolant |
| 59000 mi US $2200 |
replaced clutch and flywheel |
2007 Porsche Cayman 2dr Hatch
295-horsepower 3.4L H6 5-speed shiftable automatic RWD
| 46000 mi US $350 |
DME would not read. Reset in safe mode. All is fine now. Topped off coolant. |
| 49000 mi US $3300 |
Heads reman'd, new coils/piston/plugs/etc, + new head gaskets. |
| 50000 mi | Water pump leak + O2 sensor replacement. Under previous repair warranty. |
| 47000 mi US $2000 |
RMS Seal leak. |
2007 Porsche Cayman 2dr Hatch
245-horsepower 2.7L H6 5-speed shiftable automatic RWD
| 23000 mi | Coolant sensor replaced |
2007 Porsche Cayman 2dr Hatch
245-horsepower 2.7L H6 5-speed manual RWD
| 60500 mi US $1700 |
Water pump failed. 60k Mile Maintenance |
| 68000 mi US $1200 |
air oil separator failed. |
| 31000 mi | Leaking coolant pump. Was fixed under warranty. |
| 83320 mi US $1500 |
During routine maintenance review found water pump was leaking |
| 49200 mi US $140 |
Replaced ignition module |
| 18000 mi | Fuel Vapor Canister Replaced |
| 26000 mi US $250 |
Check engine light popped on. Found to be nothing. Just a hiccup. (I hope) Oil change. |
| 68000 mi US $1100 |
Water pump |
2006 Porsche Cayman 2dr Hatch
295-horsepower 3.4L H6 6-speed manual RWD
| 24000 mi | Slight tick at hot idle |
| 33000 mi | Tick at hot idle (perhaps valve lifters, perhaps a pulley, who knows?) and a slight whine/squeak to the steering still present when sold. Dealer could never reproduce either. But might just be normal. |
| 89000 mi | Scoring of cylinders 5 & 6 require full engine rebuild at cost of approximately $20,000. |
| 42456 mi US $1379 |
Leaking rear main seal |
| 46590 mi US $514 |
Water pump failed |
| 39660 mi C $65 |
Car was difficult to start, and smelled like it was running rich. It was especially bad on warm days. |
| 47200 mi US $900 |
The air oil separator failed. It occurred when I locked the brakes with the engine at high RPM then released the brake. I heard a squealing noise and the car started to behave differently. |
| 58000 mi US $1000 |
Water pump had been leaking for a few years. It started making noise. Replaced water pump. |
| 75000 mi US $1100 |
Purge valve failure. Car was hard to start. |
| 76000 mi | Engine developed a ticking noise. Metal shaving in oil. Car was sold. |
| 64800 mi | replace water pump |
| 65000 mi US $500 |
air oil separator |
| 61000 mi US $1500 |
Coil packs had cracks and were replaced |
| 68000 mi US $1300 |
AOS failed suddenly. 2 quarts of oil in intake, lower exhaust, etc. 7 hours of labor removing oil, new spark plugs, new air filter, clean MAF sensor. Engine now ok. |
| 78900 mi US $1500 |
Car would not start...dealer could not/did not find problem. they changed all the computer parts they could, never could say what problem was. Returned car as fixed once, but wouldn't restart the next day at a gas station, so went back. Now seems fixed. |
| 122000 mi | my cayman is done..metal in old filter. the bearings are gone and no one can say why.It always was well maintained so who knows ? i was told to get a new engine at $15,000 no way so it will just sit in my garage. |
| 50200 mi US $20 |
Car rough idled, displayed check engine light. Systems went away, engine light stayed. Read code P0455, evaporative emissions leak. Checked gas gap, noticed cracking on main seal. Replaced gas cap at cost of $20, reset computer. |
| 52000 mi US $90 |
Heard rattling coming from aftermarket exhaust system (Agency Power). Source of noise was two muffler bolts that had become loose and ejected themselves. Shop replaced the bolts, which solved problem. |
| 56000 mi US $1100 |
Engine failure. Rod bearing failure on Cylinder #6. Required full engine rebuild at a cost of $25K USD (included labor for removal, re-installation, and break-in). Symptoms were loud metallic knocking and metal particles in oil filter. Electric air pump for catalytic converters failed. This is an emissions device. Pump became loud (sounded like popcorn popper) then failed, triggering a check engine light. Cost to repair was $1,100 USD w/ labor. |
| 60000 mi | Prior engine rebuild performed at 55K miles consumed 1 qt. oil per 450 miles, continuing after break-in period was completed. Car was shipped back to the engine builder to have the motor rebuilt again under the engine builder's warranty. During rebuild, builder noted that the top compression ring on each cylinder showed abnormal wear (likely defective part). They also preemptively replaced valve guides. |
| 33200 mi US $1200 |
Faulty water pump |
| 40000 mi US $1198 |
Coil replacement |
| 38000 mi US $2000 |
Water pump leak Rear main seal leak. |
| 58300 mi US $3000 |
Replaced clutch, including flywheel. |
| 60000 mi US $600 |
Water pump bearing failing. Pump was previously replaced, and only had 25000 miles on it. Replaced thermostat as well while cooling system was open. |
| 48000 mi US $1200 |
Check engine condition, run compression test for base line. Recomended change plugs as long as they were out for compression test and replaced ignition coils as were starting to show some signs of cracking on one or two coils |
| 109000 mi US $250 |
Low coolant light came on. Owner added water to top off the coolant level. First trip to a repair shop discovered a leak in the lower coolant hose connector. Connector and hose were ordered. Previously ordered parts were installed. |
| 142000 mi US $395 |
The car would not idle properly and was burning oil. The air oil separator was replaced. |
| 146000 mi US $280 |
The ignition switch was going bad and needed to be replaced. |
| 172300 mi US $450 |
3 of the 6 ignition coils were cracked and were replaced by the shop that had done the clutch replacement. |
| 173000 mi | Sadly, after all this the vibrations are still there. I suspect a motor mount. A different shop has told me (after diagnosing the car) that it is either 1) a bad flywheel, 2) misalignment of the transmission/engine or 3) a motor mount. |
| 178000 mi US $35 |
The car was displaying some vibrations around 2300 rpm. I decided to replace the motor mount. I purchased the motor mount insert and pressed it into the old bracket. The rubber in the old mount had actually torn. |
| 36000 mi £330 |
Replace exhaust flange nuts. Corrosion had started on the bolts. |
| 52000 mi | Water pump failing - noisy |
| 28000 mi US $1300 |
replaced a leaky water pump replaced a leaky water pump |
2006 Porsche Cayman 2dr Hatch
295-horsepower 3.4L H6 5-speed shiftable automatic RWD
| 26000 mi US $100 |
Replace water pump |
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