How To: Perform PDK Transmission Clutch Re-Learn
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How To Enable
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How To Enable
This feature comes standard on Accessports with PDK tuning enabled
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When And Why To Adjust
Performing a clutch re-learn allows the transmission to verify the location of the clutches in the transmission and how thick they are. This enables the computer to make adjustments to clutch engagement as the transmission wears over time.
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Adjusting Clutch Torque will increase clamping force and can help higher horsepower vehicles hold power more effectively and minimize slip.
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Touch Point Correction alters the point at which the clutch engages. A Clutch Re-Learn is necessary after the Accessport has programmed the car's PDK map to Stock or Stage 0, or if the shifting on the car feels hard/abrupt.
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Things To Look Out For
A clutch re-learn that is attempted to be performed when the PDK Transmission Fluid is not up to temperature
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will result in a message stating to warm the PDK Fluid Temperature up to 140F/60C
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DO NOT BE ALARMED* The Clutch Re-Learn Process will require movement by the clutches in the vehicle. It is normal to hear noises and feel clunking during the Re-Learn time period.
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Warning:
. You will not be able to proceed without the PDK Fluid Temperature meeting this minimum temperature. The PDK Fluid Temperature can be viewed on the Accessport by selecting 'Gauges' from the Main menu and then selecting a gauge and finding and selecting the (PDK) Fluid Temperature monitor.
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In the event the PDK Relearn process returns you to the Troubleshooting menu without any message as to why (after proceeding from the "make sure the shift lever is at 'P' and start the engine" screen), you may want to re-attempt the procedure. Sometimes, disabling the parking brake before proceeding may also help. If after multiple attempts, PDK Relearn does not work, please contact COBB customer service.
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Please make sure your PDK Transmission is at operating temperature (140F/60C) before performing the Clutch Re-Learn. The vehicle ignition must be |
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in the ON position with engine running and PDK Transmission put into |
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Park. |
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Steps to Use
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Some of the messages or the order of operations will not be exactly the same for every Porsche vehicle, but for the most part, the steps are very similar to the instructions below. |
Start up your car and let the engine temperatures reach at least 176F/80C and transmission temperatures reach 140F/60C. A short drive may be needed to bring your temps up to the minimum needed if you are starting off with a cold motor.
Go to the
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Troubleshooting
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menu.
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Select PDK Service
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Select
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PDK Relearn
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Verify that the ignition is in the ON position and engine is OFF. Select
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Continue
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The Accessport will now clear DTCs at this point.
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Follow the prompt directions to complete an ignition key cycle. Once completed, select "Continue."
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The Accessport will ask to make sure
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the PDK Fluid Temperature is at normal operating temperature. Select
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Continue
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to proceed if the car meets these conditions. If these conditions are not met and you continue anyways,
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a message stating to warm the PDK Fluid Temperature up to 140F/60C will appear before the PDK Relearn starts preventing you from continuing.
In the event the PDK Relearn process returns you to the Troubleshooting menu without any message as to why (after proceeding from the "make sure the shift lever is at 'P' and start the engine" screen), you may want to re-attempt the procedure. Sometimes, disabling the parking brake before proceeding may also help. If after multiple attempts, PDK Relearn does not work, please contact COBB customer service.
A prompt will appear and ask to keep your foot on the brake during the relearn process. You can now depress the brake and hit
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Continue
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Only light pressure is needed.
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Now it's okay to start the motor. A prompt will appear to ensure that the engine is running and the car is in
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Park with the parking brake not engaged.
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The message may read slightly differently depending on which Porsche model this is being installed on. Select Continue to move forward if these conditions are met.
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PDK relearn will begin. The process will take several minutes to complete (some vehicles may be around 15 or 20 minutes).
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Important things to keep in mind:
-If the 140F PDK Fluid Temperature has not been met, a message saying that the transmission temperature is too low will appear preventing the PDK Relearn from starting until this minimum temperature has been met.
-Leave your foot on the brake during this entire time.
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The clutch re-learn process will require some movement and engagement of the clutches in the vehicle. It
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is totally normal and expected to hear noises and feel clunking during the
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relearn process. The Engine RPM may also rise and fall as part of the normal process
You’re all Done!
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