Why did Porsche change the way they cast the engine?
Engine Casting Porosity: As mentioned in the previous section, Porsche used a new cost-effective method to cast most of the oil and water cooling passages directly into the engine case. This reduced the total part count for the engine and also helped reduce assembly time and production cost.
Is there a problem with my Porsche 911 Carrera?
This “D-chunk” problem seems ironically to occur mostly in gently driven cars. 911 Carreras that are driven hard at the track or on the street do not tend to see this type of damage. At least with respect to the track cars, one theory is that these cars tend to have their oil changed much more often.
Why does my Porsche clutch not work when hot wired?
Clutch does not work when hot wired. Inspect the wire’s connector for poor contact (corrosion or breaks). Check the negative ground wire from the clutch to the compressor’s body. If no problems are found you’ll need to verify if clutch is getting electrical power.
What kind of engine does a Porsche Carrera have?
The horizontally opposed engine was developed with a throwback to the traditionally air-cooled motors, having kept the opposing cylinder or boxer layout. The engine was designed from the outset with the goal of providing a common platform for both the Boxster and the upcoming Porsche Carrera.
How does a Porsche 911 radio head unit work?
A: This harness emulates plug C on the radio and breaks the signal up into RCA jacks that you can plug into the back of your new head unit. Be sure to properly connect up the blue wire as well, which sends the signal to power up the amplifier. B: This plug is the main plug that supplies power to the radio.
How to remove radio from Porsche 911 Carrera?
The radio harness has constant voltage supplied to it, and you don’t want to accidentally blow any fuses or damage any electrical components. Using the set of factory radio removal tools (available from Becker, part number BNA-1184-989), pull out the radio as detailed in Figure 2.
Where to plug in a Porsche Boxster stereo head unit?
Plug the adapter into the back of the unit, and then you should be able to plug the antenna cable into the unit. With the new head unit wired up, reconnect the battery, and turn it on to test it. If all of the speakers, radio, and lights work, then install the radio bracket into the center dashboard.
Where can I buy a new Porsche Carrera alarm?
You can purchase new ones from Porsche (PN: 996-645-901-00) or check the 101Projects.com for a tip about how to refurbish your old ones. The Carrera alarm system has a small contact switch located to the left side of the radio compartment that detects removal of the radio.
What causes the AOS to fail on a Porsche?
The AOS has caused numerous issues on Porsche engines. As the membrane in the AOS fails, oil is sucked into the air intake. Initially this can show up as a check engine light for fuel adaptations and the oil can be deposited on the o2 sensors causing emission faults.
What makes a Porsche Cayenne’s rough idle stumble?
This Porsche Cayenne S Rough Idle Stumble is and example of one of those instances. This customer had a concern that the car was running rough and stumbling off idle. Doing a quick scan showed no faults, or anything that indicated an issue in the system.
How to see how a Porsche Cayenne is running?
Our vast experience with German vehicles has taught us that we need to see how this vehicle is actually running. The best way to do so is by removing the spark plugs and “reading” them. On the Cayenne, bank 1 cylinders have an additional amount that greatly increases the amount of time to access the spark plugs.
Engine Casting Porosity: As mentioned in the previous section, Porsche used a new cost-effective method to cast most of the oil and water cooling passages directly into the engine case. This reduced the total part count for the engine and also helped reduce assembly time and production cost.
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.
This “D-chunk” problem seems ironically to occur mostly in gently driven cars. 911 Carreras that are driven hard at the track or on the street do not tend to see this type of damage. At least with respect to the track cars, one theory is that these cars tend to have their oil changed much more often.
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 to do if your Porsche 911 engine wont start?
2. Remove the air cleaner cover and air filter, and spray some fuel into the intake. You will have to hold open the little “door” inside there with something. If it starts briefy then dies you probably have a fuel problem. 3. You can jumper a hot wire to the fuel pump and listen to it whir to prove that it’s working.
What causes small cracks in Porsche Carrera engine?
However, on some 3.2, 3.4, and 3.6 engines, small cracks can sometimes develop around the seats of exhaust valves and extend to the spark plug hole. The mounting point for the cam follower housing is also a weak point. Often these cracks can lead to coolant and oil mixing together.
Why does my Porsche 928 start and then die?
This article will touch on a few areas that might be causing your Porsche 928 to start and then immediately die. Cars equipped with electronic fuel injection use a network of different sensors in order to run correctly. They perform tasks such as monitor the air coming in as well as the air going out.
What kind of engine problem does Porsche 911 have?
Wayne R. Dempsey Figure 1 This photo shows the flywheel end of an Figure 2 This is the infamous “D-Chunk” problem t Figure 3 Here is a fully repaired M96 engine with Figure 4 Although it may not look like much, this