Tesla Model Y Rear Glass Sealant Failure — Water Ingress
Tesla
Model Y
2020
All
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
✅ Safe to Drive
Safety Impact
No direct safety impact reported by owners
Urgency Level
🟡 Monitor Closely
The rear glass on some Model Y units developed inadequate sealant application from the factory allowing water ingress into the boot area. Tesla acknowledges and resolves under warranty. Resealing costs £150-300 if out of warranty.
Repair / Solution
No confirmed fixes yet. Share yours below.
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Tesla Model Y 2020 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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