The water pump takes labor but it is not that hard the replace. They make them so they do this if the bearing and seal wears out. The water pump would be leaking on the very bottom through a small hole. You would need to use the rubber ones here. At the very least you should be able to tell if it is leaking or not. You sill most like have to disconnect the transmission lines and be able to stand on you head but it might work. I was going to tell you that it would be impossible to replace the driver's side but after looking at an engine on the shop floor it might be possible. The best way to replace them with the engine in the car is to get the expandable rubber ones (1 3/4 inch), put a little sealer around them and tighten up the center bolt. The best way to take them out is to pound them into the block, Then you can turn them and grab onto them with a pair of visegrips and pull them through the hole. The passenger side plugs can be replace if you take out the starter. There are only really two places for water to leak the freeze plug or water pump.
Just about every Cadillac engine I pull has a leaking freeze plug. Putting the car on ramps will help a lot if you can't see the leak from above. It may be coming out and running along the block or something making it appear that it's coming from the back of the engine. Slowly add water to the open hose end with a garden hose and try to see where the water first appears.
Try this to see where the water is coming from:ĭisconnect the top radiator hose at the radiator and leave it connected to the engine. If the bearing is shot, there will likely be a lot of play when you lift up on the pulley. Remove the belt to the water pump pulley and grasp the pulley with your hands. When the water pump failed on a Dodge pickup I owned, water poured out almost as fast as you could put it in. When the bearing in the pump wears out, it allows water past the shaft and out the weep hole. The weep hole is located on the bottom side of the pump shaft housing. I can't answer specifically for your car since I've never worked on a fwd Eldo but water pumps are not the most difficult item to replace on a car. It took about 30 seconds for the water to hit the street from filling the radiator. It must be a gaping hole to run through so fast. It feels like I would see that leaking from there though, and not mid- engine where I see the water drain, even without pressure. I could probably put in a new water pump tonight possibly. the thermostat is new, so I felt that it was a relaibale measure of overheating. I added a gallon of coolant I keep for emergencies in the trunk and drove about another half mile and then the temp light and buzzer came on and I parked it and had it towed home. the engine temp light had not come on yet. On the hyway, I smelled it first and then was driving and noticed a small stream of water behind me so pulled off freeway, I open the radiator valve and it of course sprayed everywhere. There were no other symptoms, and in fact the engine runs fine still if I start it. Is that something I reasonably adept person could do themselves? I recently replaced the fuel pump. I assume that is around the water pump gasket? Isn't the water pump on the front of the engine? my concern is that it seems further back, but wouldn't suprize me if it were the water pump.
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