what are the symptoms of a failing camshaft in my Porsche 911 992?

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to ensure safety while working on the engine.
• Refer to the service manual for specifications and torque values.

2. Remove Engine Cover

• Use a socket set to remove the screws securing the engine cover.
• Carefully lift off the cover and set it aside.

3. Remove Timing Components

• Remove the timing chain/belt cover using appropriate tools.
• Mark the position of the timing chain/belt for reinstallation.
• Remove the timing chain/belt tensioner and guide using a torque wrench.

4. Replace Camshaft

• Remove the bolts securing the camshaft using a torque wrench.
• Carefully lift the camshaft out of the engine, noting the orientation for reinstallation.
• Install the new camshaft in the same orientation as the old one.

5. Reassemble Timing Components

• Reinstall the timing chain/belt, ensuring proper alignment with the timing marks.
• Reattach the timing chain/belt tensioner and guide, tightening to specified torque values.

6. Reinstall Engine Cover

• Place the engine cover back on and secure it with screws.
• Reconnect the battery.