How to clean the clogged sunroof drain holes of the Teana?
2 Answers
Methods to deal with clogged sunroof drain holes of the Teana are as follows: 1. Inflation method: Use an air gun to aim at the drain holes of the two front drain pipes inside the sunroof, and use high-pressure airflow to blow through the drain pipes. Be careful not to use too strong airflow to avoid splashing dirty water onto yourself or inside the car. Remember that the air pressure should not be too strong, otherwise it may cause the rubber joints and drain pipes to detach, leading to continued leakage. 2. "Enema method": Using a syringe to flush the drain pipes should be able to clear them. Practical experience has proven this method to be very effective and simple to perform. First, use the syringe to extract the water from the sunroof drain trough to prevent water from flowing into the car through the drain trough.
Last time I helped my neighbor clean the drainage holes of the Teana sunroof, I found the front drainage holes near the A-pillar. First, you have to peel back the sunroof rubber seal to find that tiny hole—using a bicycle brake cable works best, which you can buy for five bucks at a hardware store. Slowly feed the thin wire in and guide it down the hose, being careful with the pressure. Remember to place a basin near the rear wheel to catch the dirty water, or else all the sludge will flow right into the door panel. After finishing, pour a bottle of mineral water to test it—the water should flow out quickly, saving you 200 bucks compared to a dealership visit. Actually, clearing it every quarter prevents clogs, especially for cars parked under trees—fallen leaves are the real culprit.
