| 1 | 0 | 3 | 4 | 3 | 4 |
1999 Porsche Boxster repairs by problem area
Engine (52%)
Transmission and Drivetrain (1%)
Brakes and Traction Control (0%)
Suspension and Steering (4%)
Electrical and Air Conditioning (25%)
Paint, Rust, Leaks, Rattles, and Trim (13%)
Other (5%)
Chart based on 103 repairs.
1999 Porsche Boxster engine repair cost distribution
$2500+ (11%)
$1000 - $2499 (7%)
$500 - $999 (17%)
$100 - $499 (43%)
< $100 (22%)
Chart based on 54 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
1999 Porsche Boxster
Engine not specified
| 103000 mi US $8459 |
Blown motor. Factory defect. Slipped cylinder sleave. |
| 63000 mi US $85 |
Replaced ignition system. Key functioned by electrical connects were not being made. |
| 78000 mi US $350 |
Air Oil Separator, along with a full clean of the throttle body and intake system. When AOS failed, sucked oil into the system Driving the car after replacing the AOS, I noticed steam and a leak from the cooling system at the front of the engine. Subsequent testing showed a failed water pump. Most likely due to a heating issue when the AOS failed. |
| 14000 mi US $9500 |
Catastrophic engine failure at 14,011 miles. Internal engine problem called a 'slipped sleeve' caused piston/cylinder #3 to destruct. Appears to be a manufacturing defect but no assistance from Porsche. |
| 70900 mi US $1000 |
Coolant leak. Replaced coolant tank and cap. |
| 73000 mi US $100 |
Check engine light. Vacuum line vibrating against engine. Cut and rerouted . Sensors checked. |
| 61200 mi US $5900 |
Clutch , flywheel, ims bearing retrofit, water pump |
| 65100 mi C $10000 |
Engine cylinder cracked. Common for boxsters. Dont ever buy this car, they are unreliable. |
| 60140 mi C $250 |
Some lines were leaking oil, simply old age. |
| 60140 mi C $400 |
Some fluid had been leaking under the car. Spark plug suppressor tubes were leaking and cam adjuster solenoid needed re-sealing. Required 6 new suppressor tubes with O-rings and 6 new spark plugs. |
1999 Porsche Boxster 2-door
6-cylinder manual 2WD
| 89000 mi | When sold to a dealer the Boxster had A LOT of repairs coming its way...needed gaskets, engine overhaul... |
| 60000 mi US $300 |
Front engine mount was worn out. Replaced with new mount. |
| 89000 mi US $45 |
Ignition switch replaced. |
| 90000 mi US $950 |
Front engine mount failed. Rubber insert cracked. Replaced with factory new mount. |
| 70700 mi US $87 |
Replaced failed check valve 993-113-250-03, a one way valve in the emissions related Secondary Air Injection system. |
| 74300 mi US $80 |
Faulty fuel tank vent line to throttle body (part number 996-110-129-06) causing air leak in intake system setting DTCs P1124 and P1126. |
| 31700 mi US $240 |
Replaced fuel exhaust vent valve because dealer broke it and did not mention it after they tried to hide it. |
| 58200 mi US $95 |
got intermittent Check Engine light - codes said it was O2 sensor in bank 2 (driver side) #1 (upstream of catalytic converter). ordered OE part from Rockauto and changed it myself ...easy ...solved problem -- passed inspection. |
| 98000 mi | water pump and v-belt replaced |
| 129000 mi US $350 |
Owner replaced water pump/thermostat and all coolant. |
| 45000 mi US $3600 |
Variable camshaft timing system failure. Variocam actuator replaced and DME computer repaired. |
| 78000 mi US $1700 |
failure of seal on water pump - coolant leak MAF sensor failure. New part installed, faulty. 2nd new MAF installed, fine. All corrected while car was still in shop. |
| 88000 mi US $400 |
Leak in coolant overflow tank. Replacement part ordered but not yet installed. Cracked coolant overflow tank replaced. |
| 30000 mi US $500 |
The air oil separator (AOS) was showing signs of approaching failure. The AOS and connecting J-tube were replaced during the 30k maintenance as further preventative maintenance. $150 in parts + self labor vs. possible engine replacement. |
| 30000 mi US $915 |
The fuel pump failed. The fuel pump, fuel filter and seal were replaced with new factory parts. 4 hours of labor for inspection and repair required. I suspect fuel filter was never replaced before due to low milage of vehicle and three previous owners. |
| 45000 mi US $250 |
Cracked coolant tank became increasingly leaky after long road trip. Replaced old tank. |
| 68300 mi US $600 |
Serpentine belt pullies and bearings were worn out and needed replacement. Cold air intake fan needed replacement as well. |
| 76000 mi | Weird issue with temp sensor/ECU.(Works fine with MAF disconnected). |
| 31000 mi US $216 |
Replaced Ignition Switch |
| 35000 mi US $500 |
One O2 sensor replaced |
| 45200 mi US $320 |
Anti freeze was a bit low making the idiot light come on under hard acceleration, resulting in a CEL. |
| 80000 mi US $300 |
Water pump was leaking at the bearing seal. Part was ordered on line and replaced by me |
| 82000 mi US $47 |
replace ignition coil pack |
| 85000 mi US $250 |
Coolant tank failed, had to be replaced |
| 83000 mi US $800 |
coolant storage tank cracked - typical of older Boxsters. |
| 97000 mi US $300 |
Some widget valve in the emissions system was bad (formerly this function was performed by PCV valves). |
| 102000 mi US $3000 |
Rear main seal leaking. |
| 94860 mi C $1200 |
Second water pump within 1 year replacement. The pump rattled for 4 days before dying. Coolant spashed all over engine. Complete replacement 1000 tow 200. |
| 22200 mi US $60 |
Sleeves from cat pipe to muffler opened up. Caused excessivley loud noise. Resecured w/new locking nuts. |
| 23200 mi US $420 |
Check engine light came on. Diagnosed as bad air mass meter. Air mass meter replaced. |
| 103000 mi US $300 |
Electric change over valve in secondary emission system nonoperative and replaced. |
| 104000 mi US $200 |
Cracked oil filler causing loss of oil. Removed & replaced oil filler system. Also replaced AOS and cleaned throttle body since they were removed for repair. |
| 51000 mi US $800 |
Front right radiator developed a leak and needed to be replaced. |
| 68000 mi US $350 |
Water pump went bad. Leaking around shaft seal. Bought new pump and low temp thermostat and replaced myself. Car could not be driven home as leak was significant. Got my trailer and towed it home. |
1999 Porsche Boxster 2-door
6-cylinder automatic 2WD
| 51000 mi | Unrepaired item: electrical portion of the ignition switch -- a common Porsche problem -- the switch would not spring back to the "run" position after starting. I bought the part, but never got around to installing it. |
| 78000 mi US $337 |
Replaced worn out motor mount. |
| 80000 mi US $250 |
Alarm and immobilization connector came loose on M535 unit causing car to not start. |
| 81000 mi US $266 |
Rubber bellows on Oil/Air separator was replaced due to a hole causing a vacuum leak. Leak caused fault codes that caused a CEL. |
| 81700 mi US $90 |
Rubber vacuum tube on SAV under intake plenum was broken causing a vacuum leak and SA fault codes causing a CEL. Rubber vacuum tube replaced. |
| 85500 mi US $850 |
Water pump failure, water pump replaced with OEM. Serpentine belt showed wear and replaced. |
| 55000 mi US $220 |
Cracked coolant tank |
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