my Volkswagen Golf MK5 (2004-2008) smells like burnt rubber what could the issue be

Solution

1. Preparation

• Gather all necessary tools and parts.
• Disconnect the battery to prevent electrical issues while working on the vehicle.

2. Inspect and Replace Belts

• Tools Required: Socket set, belt tensioner tool, torque wrench.
• Inspect the serpentine and timing belts for cracks, frays, or glazing.
• If damaged, remove the serpentine belt:
  • Loosen the tensioner using the tensioner tool.
  • Slide the belt off the pulleys.
• Install the new serpentine belt:
  • Route the new belt according to the belt routing diagram.
  • Ensure proper tension and secure the tensioner.

3. Check and Repair Hoses

• Inspect all rubber hoses for signs of melting or deterioration.
• Replace any damaged hoses:
  • Use pliers to loosen hose clamps.
  • Remove the old hose and install the new one.
  • Re-secure with clamps, ensuring a tight fit.

4. Inspect and Clean Engine Components

• Check for any oil or fluid leaks around the engine:
  • Clean the area with a degreaser if necessary.
• Inspect the exhaust system for melted components or hangers that may be causing contact with hot exhaust parts.

5. Reconnect Battery and Test

• Reconnect the battery terminals.
• Start the engine and allow it to idle while monitoring for smells or noises.
• Perform a test drive to ensure the issue is resolved.