my Toyota Corolla E170 (2013-2019) has a leaking sunroof, how do I fix it

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle battery to avoid electrical issues.
• Clear the work area to allow easy access to the sunroof.

2. Inspect and Clean Drainage Tubes

• Tools Required: Compressed air or a flexible cleaning tool.
• Remove any visible debris from the sunroof and surrounding area.
• Use compressed air to blow out the drainage tubes; ensure they are clear of blockages.
• If clogged, use a flexible tool to gently push through the tubes to dislodge any obstructions.

3. Replace Damaged Sunroof Seal

• Tools Required: Trim removal tool, adhesive (if needed).
• Carefully remove the old sunroof seal using a trim removal tool.
• Clean the surface where the new seal will sit with rubbing alcohol.
• Apply the new seal according to manufacturer specifications, ensuring it is seated evenly.

4. Test Fit and Alignment

• Check the alignment of the sunroof by opening and closing it.
• Adjust the sunroof mechanism if necessary to ensure proper fit.
• Tighten any loose fasteners that may affect the sunroof's operation.

5. Final Check

• Reconnect the vehicle battery.
• Pour water over the sunroof area to test for leaks.
• Ensure that water drains properly from the drainage tubes and does not enter the interior.