Water Pump Weep Hole Leak
A mechanical seal has a break in period of about ten minutes meaning that it takes about ten minutes of operation for the seal to properly seal itself.
Water pump weep hole leak. Make sure you re checking the fluid level in the radiator not just the reservoir. The radiator is usually located in the front of the engine. I have oil coming out of my water pump s weep hole. 85 zx900a2 one would think it is an o ring failure between the pump halves or on the part that goes into the motor but i swear it isn t.
However if you still see seepage a few days after you ve replaced the pump or if you notice more pronounced seepage or even drips from the weep hole you do have a. When a leak develops the system will have a hard time drawing fluid from the reservoir since pressure will release and draw back from the spot it s leaking rather than the reservoir. Lisle flywheel locking tool with socket https amzn to 2wb3coy lisle fan cl. Every mechanically driven water pump has a weep hole that might leak a little in the beginning.
The liquid stop leak product poured into the radiator will flow to the water pump seal and possibly seal or slow the leak. A coolant leak coming from the weep hole is a sign of water pump bearing or seal failure. Weep hole leakage appearance. The pump s internal mechanical seal seals the shaft towards the cooling circuit protecting the bearings by preventing coolant from passing into the bearing assembly.
There will be a puddle on the floor when the car has stood in the same position for a few hours all you have to do then is follow the leak to its source. A new water pump replacement must be performed for this symptom as there will be no remedy to stop this type of leak. Stop leak products are not a permanent solution and will only serve as a. Coolant may be leaking around the water pump through the weep holes on the casing.
Some seepage from the weep hole is completely normal with a new water pump. When a water pump is new some seepage from the weep hole is normal as it takes about ten minutes of operation for the mechanical seal to properly seat itself break in period. This video explains the purpose of water pump weep holes and how they work. Ensure that the radiator is not hot and your vehicle is running before pouring the solution into your radiator.
Okay i know this sounds weird and i didn t think it was possible. There is no quick fix for this problem. This weep hole often resides between seals that separate the oil side from the coolant side. If it s leaking from the weep hole it s time for a new pump.
A weep hole leak or leak underneath the water pump will indicate a water pump failure. For more information visit w. Water pump weep holes are designed to leak a little.