Price:Unfilled

Send inquiry

The truck water pump (Coolant Pump) is the core component of the engine cooling system, responsible for forced circulation of coolant to ensure that the engine maintains the optimal operating temperature (usually 85-95?). 1. Truck water pump function: 1. Coolant circulation The centrifugal force generated by the impeller rotation drives the coolant to circulate between the engine cylinder block, cylinder head, and radiator. Typical flow rate: 100-400 L/min (adjusted according to the engine displacement) 2. Temperature control Prevent the engine from overheating (>110? may cause cylinder pulling) or overcooling (<70? combustion efficiency decreases), and work with the thermostat to achieve large/small cycle switching 3. Lubrication and corrosion protection The coolant contains anti-rust additives, and the water pump bearing relies on coolant lubrication to prevent the formation of steam bubbles in the cylinder water jacket (cavitation protection) 2. Truck water pump maintenance 1. Check the bearing clearance every 100,000 kilometers (should be <0.1mm) 2. Flush the water pump cavity when changing the coolant (to prevent scale accumulation) 3. Choose OEM accessories: Inferior water pump impeller has poor dynamic balance and is prone to vibration 3. How to judge whether the truck water pump is broken? Quickly judge through the following symptoms and detection steps: 1. Coolant leakage Check point: Pink/green coolant crystals under the water pump housing or bearing seal (white powder after drying) 2. Abnormal noise Bearing damage ? "rustling" metal friction sound (increases with speed) Loose impeller ? "click" irregular knocking sound 3. Engine overheating Instrument prompt: The water temperature gauge continues to be =100? (some models will light up the red warning light) 4. The heater is not hot (small circulation is blocked) 5. The water tank is "boiling" but the temperature difference between the upper and lower water pipes is large (>15?) 6. There are traces of coolant splashing on the inside of the belt
link:https://www.onodetruckparts.com/search/Water%20Pump.html