what are the symptoms of a failing timing belt in Volkswagen Passat B8 (2015-2022)?

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to ensure safety during the repair.
• Allow the engine to cool down.

2. Remove Engine Cover

• Remove the screws or bolts securing the engine cover.
• Carefully lift the cover off and set it aside.

3. Access Timing Belt

• Remove any components obstructing access to the timing belt, such as the serpentine belt and any pulleys.
• Note the routing of the serpentine belt for reinstallation.

4. Remove Old Timing Belt

• Loosen the tensioner using a socket and ratchet.
• Slide the timing belt off the sprockets, taking care not to disturb the timing alignment.

5. Install New Timing Belt

• Align the new timing belt with the timing marks on the crankshaft and camshaft sprockets.
• Adjust the tensioner to apply appropriate tension to the new belt.
• Rotate the engine by hand to ensure proper alignment and check for any binding.

6. Reassemble Components

• Reinstall any pulleys and the serpentine belt according to the noted routing.
• Replace the engine cover and secure it with screws or bolts.
• Reconnect the battery.