Common Failures of BYD 1243320900 Auxiliary Water Pump for eT3
- Pump Overheating: The auxiliary water pump (OE: 1243320900) in eT3 often overheats, which may cause system malfunctions.
- Poor Pump Performance: Some eT3 owners have reported that the auxiliary water pump fails to circulate coolant effectively, leading to overheating issues.
- Noisy Operation: Unusual noises from the auxiliary water pump are common in eT3 models, indicating potential internal damage.
Maintenance Tips of BYD 1243320900 Auxiliary Water Pump for eT3
- Before installing the BYD eT3 Auxiliary Water Pump (OE# 1243320900), check the coolant level. Low coolant can cause pump cavitation and damage.
- Inspect the pump's impeller for any signs of wear or damage. A worn impeller can reduce the pump's efficiency.
- Ensure the mounting surface is clean and flat. Any debris or unevenness can lead to leaks.
- Connect the electrical harness securely. Loose connections can cause the pump to malfunction.
- Fill the cooling system with the recommended coolant after installation. This helps maintain the proper operating temperature of the engine.
Electrical Shock Warning – When working on the Auxiliary Water Pump, disconnect the battery first to avoid electrical hazards.