why is there a puddle of water under my Volvo XC90 after it rains

Solution

1. Preparation

• Gather tools: flathead screwdriver, Phillips screwdriver, vacuum, and water hose.
• Ensure the vehicle is parked on a level surface and the engine is off.

2. Inspect and Clear Sunroof Drain Tubes

• Locate the Drain Tubes: Open the sunroof and identify the drain holes at each corner.
• Clear Blockages: Use a flexible wire or compressed air to clear any obstructions in the drain tubes.
• Test Drainage: Pour a small amount of water into the sunroof channel and confirm it drains out of the undercarriage.

3. Check and Replace Weather Stripping

• Inspect Seals: Examine the weather stripping around the doors and windows for damage.
• Replace if Necessary: If any seals are cracked or torn, remove the old weather stripping and install new adhesive-backed weather stripping.

4. Examine the Cabin Air Filter Housing

• Access Housing: Remove any necessary panels to access the cabin air filter housing.
• Inspect Sealing: Check for proper sealing around the housing. If it's loose or damaged, reseal it using automotive silicone sealant.

5. Inspect Windshield Seal

• Visual Inspection: Look for any gaps or deterioration in the windshield seal.
• Reseal if Necessary: If a leak is detected, use a high-quality urethane adhesive to reseal the windshield.