What Causes Roof Leakage in Cars?

1 Answers
LeVera
07/25/25 12:16pm
Here are the common causes of roof leakage in cars: 1. Sunroof leakage: This usually occurs due to two reasons - either the sunroof drainage channel is clogged by small sand particles or dust, or the sunroof sealing rubber strip has been displaced or "lifted". 2. Failed waterproof sealant: Leakage often happens around door or trunk openings, primarily caused by deteriorated, aged, or cracked rubber waterproof seals. 3. Clogged drainage pipes: The most frequent interior leakage occurs when the drainage pipes beneath the windshield get blocked. Factors like infrequent car washing or long-term parking under trees can lead to accumulation of dust, leaves, and mud in the drainage channels during rainfall.
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