my Volkswagen Tiguan has a strong oil smell inside the cabin what could be happening

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the battery to prevent any electrical issues.
• Allow the engine to cool before proceeding to avoid burns.

2. Identify Source of Leak

• Inspect Valve Cover Gasket:

  • Remove any engine covers obstructing access.
  • Carefully inspect the valve cover gasket for cracks or signs of wear.
  • If damaged, proceed to replace it.

• Inspect Oil Filter and Oil Pan:

  • Check the oil filter for proper installation and any leaks.
  • Inspect the oil pan for cracks or loose bolts.
  • Replace or tighten as necessary.

3. Replace Cabin Air Filter

• Remove the cabin air filter cover.
• Take out the old cabin air filter and inspect for oil contamination.
• Install a new cabin air filter, ensuring it is seated properly.

4. Clean Up Residue

• Use a degreaser to clean any oil residue from the engine bay and undercarriage.
• Ensure all areas are free of oil to prevent future odors.