What to do if your Porsche Carrera engine is leaking?
If you find that your engine is leaking from the rear main seal (also known as the flywheel seal), then simply install a new one while adding a little bit of Curil-T sealant to help keep it dry (see Photo 10 of Pelican Technical Article: Clutch Replacement on the Porsche 911 Carrera ).
Is there a problem with the Carrera 3.4 engine?
The problem affects mostly the 2.5 Boxster and Carrera 3.4 engines. When this failure happens, you will see oil and coolant begin to mix together or a slight unexplained coolant loss. If your engine experiences this failure, it can be rebuilt using LN Engineering’s Nickasil liners installed.
What causes an oil leak in a Porsche 911?
A failing air oil separator (aos) is the likely cause of rear main seal failure and oil leaks, as it is in other VAG cars. Crankcase vacuum exceeds the normal range in the engine under heavy acceleration and sucks in air damaging the rear main seal.
Why did Porsche change the oil system on the Carrera?
Oil System Inadequacy: The air-cooled predecessor to the M96 engine incorporated a dry-sump system that was designed to keep a significant amount of oil in reserve for extended performance driving. With the introduction of the M96 engine, Porsche moved away from that design, primarily due to the high cost of implementing a separate dry-sump system.
If you find that your engine is leaking from the rear main seal (also known as the flywheel seal), then simply install a new one while adding a little bit of Curil-T sealant to help keep it dry (see Photo 10 of Pelican Technical Article: Clutch Replacement on the Porsche 911 Carrera ).
A failing air oil separator (aos) is the likely cause of rear main seal failure and oil leaks, as it is in other VAG cars. Crankcase vacuum exceeds the normal range in the engine under heavy acceleration and sucks in air damaging the rear main seal.
What kind of engine problem does a Carrera have?
At least with respect to the track cars, one theory is that these cars tend to have their oil changed much more often. The problem affects mostly the 2.5 Boxster and Carrera 3.4 engines.
Oil System Inadequacy: The air-cooled predecessor to the M96 engine incorporated a dry-sump system that was designed to keep a significant amount of oil in reserve for extended performance driving. With the introduction of the M96 engine, Porsche moved away from that design, primarily due to the high cost of implementing a separate dry-sump system.
At least with respect to the track cars, one theory is that these cars tend to have their oil changed much more often. The problem affects mostly the 2.5 Boxster and Carrera 3.4 engines.
Why does my Porsche 911 have a vacuum problem?
Crankcase vacuum exceeds the normal range in the engine under heavy acceleration and sucks in air damaging the rear main seal. This is commonly seen on Audi engines as well.
What are the most common problems with a Porsche 911?
Below is a list of some of the most common Porsche 911 problems that we’ve seen over the years. Common Engine Problems with the Porsche 911 • Leaks in the rear main seal • Failure and premature wear of the intermediate shaft bearing
Where can I get a Porsche 911 Carrera fixed?
German Auto Center is a premier Porsche repair center in Austin, TX that has seen and fixed many 911 issues over the last 35 years. The Porsche 911 Carrera is an outstanding vehicle that provides power and performance, but it isn’t bulletproof. Below is a list of some of the most common Porsche 911 problems that we’ve seen over the years.
Why are the rear seals leaking on my Porsche 911?
It’s not really 100 percent clear what the causes the leaky rear main seals. One cause may be the fact that the crankshaft has insufficient support on the rear end. It also may be caused by the fact that the crankshaft carrier support is only pinned minimally in one plane to the outer case.
Are there any problems with the Porsche M96 engine?
The M96 (and subsequent similar M97) water-cooled engine is definitely a strong-performing engine, however along the stages of its development it has suffered from some design deficiencies that have been identified and corrected by Porsche over the 11-year lifespan of the engine.
What happens when IMS bearing fails on Porsche?
When the bearing does fail, foreign object debris from the bearing circulates throughout the engine, causing further damage to other areas in the engine. On the early cars, Porsche also used a center bolt to secure the IMS bearing that was too weak and sometimes snapped.
Why did Porsche change the engine on the 996?
Engine liquid-cooling was added to the fourth generation 911, also known as the 996. Rumor has it, Porsche made the design change to be more competitive with sports cars from other manufacturers. Unfortunately, the added level of complexity proved troublesome out of the gate.
What are the common problems with a Porsche 911?
There are a few common issues, however, including oil leaks, worn suspension bushings, worn distributor belts and failed dual-mass flywheels. The third generation model was the last 911 to be offered with an air-cooled engine.
What kind of car is a Porsche Carrera S?
911 Carrera S. The Coupe version of the 911 embodies Porsche DNA in its purest form: the long, flat hood, the steeply inclined windshield and the roof line that slopes gently down towards the rear, already characterized the original 911. 911 Carrera 4S Cabriolet.
Are there any issues with the Porsche 996?
The 996 did and does have some major issues, which could result in a catastrophic engine failure, however if properly maintained and cared for many of these issues can be avoided. The 996 is the first true daily driver 911.
What causes oil starvation in Porsche 911 Carrera?
In addition to the standard issues associated with the non-traditional sump system, the flapper windows on the bottom of the engine are manufactured out of plastic and can break off inside the sump and clog the oil pickup tube. This leads to oil starvation and complete engine failure.
It’s not really 100 percent clear what the causes the leaky rear main seals. One cause may be the fact that the crankshaft has insufficient support on the rear end. It also may be caused by the fact that the crankshaft carrier support is only pinned minimally in one plane to the outer case.
In addition to the standard issues associated with the non-traditional sump system, the flapper windows on the bottom of the engine are manufactured out of plastic and can break off inside the sump and clog the oil pickup tube. This leads to oil starvation and complete engine failure.
Where is the oil leaking on a Porsche 911?
Adjacent to the right cam oil line on the later cars is the oil pressure sending unit. This unit has a tendency to leak where it is attached to the case, and also from its own housing. Carefully inspect the sender, and replace it if you think that it might be leaking.
911 Carrera S. The Coupe version of the 911 embodies Porsche DNA in its purest form: the long, flat hood, the steeply inclined windshield and the roof line that slopes gently down towards the rear, already characterized the original 911. 911 Carrera 4S Cabriolet.
What causes an oil leak in a Carrera 4?
On same of the car the there is an oil cooler on top of the engine (rear) which it’s orings can leak. On the LH side of the car, there is an air oil seperator which can leak. On to top of the engine, oil can pool from various sources, AOS and it’s various tubes and orings, oil filler tube and it’s orings, and oil dipstick and it’s orings.
What kind of problem does a Porsche 911 have?
Less common are leaks from the cam seals and scavenger oil pump seals. Valve cover leaks are obvious and fairly straightforward to fix on most models. The valve covers do not have a gasket – instead a liquid gasket sealer is used.
When was the 996 oil leak in GT2?
911 996 Series (Carrera, GT3-1, TT, GT2) (MY1998 – 2005) 996 Series (Carrera, Carrera 4, Carrera 4S, Targa) 996 oil leak The RennTech.org community is Member supported!
When to tighten the clutch on a Porsche 911?
The rule of thumb to follow is that you tighten the cable underneath the car if the transmission grinds into gear, and you loosen the cable if you cannot engage the clutch to the drivetrain (the clutch slips). Adjust the nut only three to four turns at a time.
How big should the release Fork be on a Porsche 911?
When the clutch pedal is pressed completely to the floor, the travel on the throw out release fork should be about 0.6 in (15mm). Of course, this distance is highly dependent upon the condition of your clutch components.
What’s the free play on a Porsche 911?
The free play is measured by pulling back on the clutch pedal from inside the car. The pedal should travel about one inch when you pull it towards you. Now, tighten up the locknut underneath the transmission. Start the car and with it at idle, press in the clutch and wait about 10 seconds.