Common Failures of BYD 1259829000 Expansion Tank for Atto3 PLUS EV/Yuan PLUS EV/Dolphin EV/Song PLUS EV/Seal EV/D1 EV/DENZA D9 EV
- Leakage Issue: In Atto3 PLUS EV and other models with OE number 1259829000, the expansion tank may develop leaks, causing coolant loss.
- Cracked Body: Some users of Song PLUS EV and Seal EV have reported that the expansion tank body cracks, which can lead to system inefficiency.
- Over - Pressure Problem: In D1 EV and DENZA D9 EV, the expansion tank might experience over - pressure, potentially damaging other components.
Maintenance Tips of BYD 1259829000 Expansion Tank for Atto3 PLUS EV/Yuan PLUS EV/Dolphin EV/Song PLUS EV/Seal EV/D1 EV/DENZA D9 EV
- Firstly, when replacing the BYD Expansion Tank (OE# 1259829000) for models like Atto3 PLUS EV, make sure the engine is cool to avoid burns.
- Secondly, check the tank for any cracks or leaks before installation. A damaged tank can lead to coolant loss.
- Thirdly, ensure proper alignment of the tank with the mounting points on vehicles such as Yuan PLUS EV. Incorrect alignment may cause stress on the tank and pipes.
- Fourthly, connect the hoses securely. Loose connections can result in coolant leakage in models like Dolphin EV.
- Finally, fill the Expansion Tank with the correct coolant mixture recommended for BYD EVs, like in Song PLUS EV, to maintain optimal performance.
Caution: The coolant in the BYD Expansion Tank (OE# 1259829000) is toxic. Avoid direct contact and wear protective gloves during installation.