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Helipilot
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The Durametric tool has been a great tool for me. Also, I read somewhere that there are some Control Unit memories that need to be reset after taking power to zero by combinations of switching ignition on and off and doing tasks in separate combinations. Control units that get effected are: 1. DME control unit. 2. Tire pressure monitoring system (if you have it). 3. Steering angle sensor. 4. Electric motor for sliding roof. 5. Power Windows. 6. Instrument Cluster.
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I appreciate the step by step instructions accompanied with photos. On attempted re-installation, I can't get the splines to line up. The male shaft from the Transfer Case rotates but is spring loaded and returns to a position that doesn't allow alignment with the Stepper Motor side. The mounting flange of the Stepper Motor doesn't allow for enough twist to align the splines. Aside from taking the stepper motor apart to try to rotate the gear (and running the risk of messing something up), I've exhausted my options and am raising the "white flag". Does anyone have suggestions or shall I disassemble the Stepper Motor? (2004 Cayenne) Follow up: After searching my toolbox, i located some narrow vice grips and was able to (carefully) clamp them on the Transfer Case shaft, turn the shaft against the spring-load and align the splines to put the Stepper Motor back on. Once the motor was partially on the shaft, I released the vice grips and continued pressing the motor the rest of the way. (I had to exercise great care not to damage the splines).