How to Deal with Rust on the Tiggo 3 Sunroof?

3 Answers
VanLaura
07/29/25 8:44am
Tiggo 3 sunroof rust needs to be cleaned and repainted. Reasons for sunroof rust: Mostly, it is caused by the sunroof's sealing strip not being tight enough, allowing rainwater to seep in. Additionally, the sunroof's drainage holes and drainage pipes may have poor water flow or blockages, preventing timely drainage during rain, which can cause water to overflow from the sunroof's drainage channel. Another reason could be aging or damage to the sunroof's drainage pipes, leading to water leakage. Regularly inspect the various drainage channels, holes, and pipes on the vehicle. Also, check the drainage holes on both sides of the U-shaped channel under the front windshield for any blockages. Definition of a car sunroof: A car sunroof is installed on the roof and effectively facilitates air circulation inside the vehicle, allowing fresh air to enter. It also broadens the field of vision and meets the needs of mobile photography and videography.
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LorenzoRose
08/12/25 6:37am
I've been driving for several years, and rust on the Tiggo 3's sunroof is quite common, mainly caused by aging seals or corrosion due to dust and water accumulation. Handling it isn't actually difficult: first, use a cleaner to remove surface rust and dirt, then gently sand it smooth with fine sandpaper, followed by applying a specialized rust-proof paint or spray like WD-40 available on the market. Remember to wear gloves before handling to protect your hands and prevent skin scratches. After finishing, check the sunroof rails and seals every two weeks to ensure no water residue remains, and focus on rinsing these areas during regular car washes. If the rust is severe enough to cause leaks or deformation, it's best to visit a 4S shop to replace the sunroof frame—don't attempt DIY fixes to avoid further damage. Regular maintenance is crucial, especially an extra cleaning before and after the rainy season to prevent recurrence.
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AllieLee
10/05/25 8:05am
As a car DIY enthusiast, I find fixing rust on the Tiggo 3 sunroof quite interesting. Here's how to do it yourself: First, go to the hardware store to buy rust remover spray and rust-proof paint—it's inexpensive, just a few dozen yuan. Open the sunroof, thoroughly clean the rusted area, spray the rust remover and let it react for a few minutes, then use a small brush to remove loose rust. Next, smooth the surface with fine sandpaper. Once done, spray rust-proof paint to cover the surface and let it dry before testing the sunroof's opening and closing for smoothness. The key is regular maintenance, such as checking the sealing strips for aging every quarter and replacing them promptly to avoid water accumulation and rust recurrence. This method is simple, cost-effective, and helps you learn car repair skills while preventing future issues.
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