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The water pumps have a small hole in or near the bottom. When the engine is cold, it will seal the hole but when it warms up, it will expand the seal and leak. You should be able to see coolant coming out from under the vehicle or using a mirror. If there is coolant coming out, replace the pump. Changing the gasket is not going to help if the internal seal in the pump is bad. Hope this helps.
under pump there's a weep hole, located in center of pump below the shaft that the pulley is attached, if coolant is coming out of that hole, pump is bad. otherwise, gaskets between pump / engine are leaking.
Not all water pumps leak from the weep hole, if the water pump casket becomes worn then it will leak from behind the water pump. You can also have a leak coming from the thermastat housing. To find out exactly have a pressure test performed on your car.
The pump does have a weep hole in it. If a seal in the pump fails coolant will come out of the weep hole. Looks like you may have a bad water pump seal, but check gaskets, intake manifold and hoses as these can leak in this area as well. So determine where the coolant is coming from before investing in a new waterpump.
Look for a leak below the water pump.
If so we believe the inter seal of the water pump to be the failure, this will result in a coolant weep coming from the weep hole near the center shaft of the water pump.
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