![]() ![]() If you want to learn more about how your vehicle’s cooling system works, watch the video below: ![]() Over time, this will cause severe and very expensive damage to your engine. If you continue to drive, your engine will overheat and break down the components inside. At this point, you should pull over and stop driving since there’s not enough coolant to extract the heat from your engine components. When this happens, you will see your temperature gauge rise above 240☏. Without coolant, your car won’t be able to cool the engine as nothing will extract the heat. Most cars will operate with their coolant temperature (shown by the temperature gauge on your dashboard) between 180☏ to 240☏. The coolant will carry the heat away from various engine components and keep it at its optimal operating temperature. Running a car without sufficient coolant can lead to severe and expensive damage to your engine.Ī coolant works by circulating through your engine and extracting heat. This is often caused by a coolant leak in your car’s cooling system, which you will need to address immediately. ![]() More often than not, the problem stems from a lack of coolant. Not a typo.If you’re driving along and notice your engine’s temperature is rising, then you have an engine cooling issue. I confirmed duplicate part #s/labor for warranty repair (no cost) and this repair ($$$). '03-'06 Cayennes have well known and documented coolant pipe defects resulting in a class action lawsuit against pcna (see: Cayenneclassaction. I had to pay for two coolant repairs, + a new starter, solenoid, & battery, all collateral damage due to the pipe leaks. Porsche made the repairs & replaced plastic pipes with aluminum ones this time, on my dollar. Apparently the initial repair done at 40k miles was only enough to hold out until the vehicle was out of warranty. The service guy & Porsche tech told me the second leak occurred because the "first" repair (actually the second, if you consider it was already repaired under warranty at 40k miles) then properly pressurized my coolant system, causing the next leak, requiring the "next" repair. I received another call a few days later informing me that my Cayenne now had a second coolant leak at the crossover pipe toward the back of the engine near firewall (required removal of the engine in order to repair). I reviewed my previous invoice from original "repair" under warranty at 40k miles & it appeared to be the same issue, same part #s, etc. I was informed that my (previously "repaired") coolant pipes had a leak & required repair. 105k miles: Cayenne's starter was making noises and not functioning 100% of time, so I brought vehicle to the same Porsche dealership who had been servicing it since 2010. Subsequently, they performed a repair on the coolant pipes (still under factory warranty) and assured me it was in excellent condition to purchase. Prior to delivery, I had Porsche dealership run a system check to confirm the vehicle was mechanically solid & free of defects. In 2010, I bought a '08 Cayenne turbo at 40k miles. I would like to request the issue be re-examined based on the above and given there are far greater numbers of Cayennes on the road than the 911. Finally I'd like to point out that the Cayenne and panamera are both front engine vehicles as compared to the 911 that was initially investigated raising new concerns about the loss of traction from the leakage location. It has been serviced at all recommended intervals and only at Porsche service locations. In my situation the car is used more as a minivan than a race car. In response to question 14a Porsche lists racetrack use and low or non approved coolant as contributing factors. ![]() In response to question 13c Porsche listed only 2011 to 2014 Cayenne models that use a similar coolant pipe connection method (adhesive) however it appears the Cayenne going back as far as 2007 has a similar connection based on internet complaints. My understanding is that they subsequently began threading the part in question instead of simply using adhesives. In Porsche's response to question 10, they claim that the adhesive application was automated and there were no further modifications or changes planned. In researching the issue I found numerous similar complaints online and found a response from Porsche relating to pe13-009 dated (attached). A Porsche service facility diagnosed the vehicle and replaced the component at a cost of $5,343. Excessive smoke forced my wife to pull over and to exit the vehicle with 2 small children in an unsafe area of the highway. While my wife was driving on a highway the coolant hose completely separated from the housing causing the car to rapidly overheat without warning. I experienced a similar problem with my 2013 Cayenne s that was previously investigated (pe13-009) by the NHTSA in the Porsche 911. ![]()
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