I have a coolant leak above the harmonic balancer. The coolant drips onto the balancer and it appears to be leaking from the water pump. Although, it's difficult to see the exactly. I also see a 1 to 1 1/2 inch hose near the top of the water pump. It could be the source to, but I believe it to be the water pump.
How do I replace a water pump on a 1999 dodge durango?
So i just replaced my water pump today on the same car, mine is a 5.9 magnum. I drained the whole system before i started working on it, next you have to take off the fan, if you look on the inner side of the fan there is a big nut there, in order to loosen that i put to bolts into the holes on the water pump pulley and used a thin screwdriver for leverage, while putting pressure on that, i loosened the nut, be careful not to slip cuz those fan blades are dangerous. but once you have removed that nut from the pulley take out the four bolts holding on the housing, pull the fan and the housing out at the same time. next remove the belt, after that is done, disconnect the hoses from the water pump, there are three, one on each side and one on top. there are a total of eight bolts holding the pump on, keep track of them because they are different sizes. But that is how i removed mine. It was all farely simple i am a girl and i managed to do it so i think you should be fine. Hope it works for you becuase it didnt work for me, i now think that it is my head leaking, if you know anything about that let me know.
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most water pumps I believe have a weep hole that drips out coolant basically letting the person owning the car know that it is time to change the water pump. but then again have you checked to see if the water pump hoses are secure and aren't cracked?
It could be coming from the timing cover. On older 318 engines there is a water passage on each side of the timing cover between the pump and the block. If the timing cover decays it can allow coolant to leak into the timing cover, which usually goes into the crankcase.
I assume that you meant to say "harmonic balancer". The first thing you need to keep in mind when it comes to fluid leaks is that they ALWAYS run downhill. The leak could be originating from several different places depending on WHICH ENGINE your Impala is equipped with. (This is really need-to-know information if you would like help with with your car - especially when we are talking about an engine problem.) Anyway, It could be coming from the water pump or the intake manifold. If your car is equipped with a 3.8L engine, it is common for the plastic water pump by-pass tube to crack. I have also seen the timing covers leaking on the front of some of the GM V-6 engines. Then again, it could be something much more expensive to fix like a leaking head gasket. What you need to do is to follow the trail of antifreeze UP from where it is dripping/leaking under the car to find the source. The harmonic balancer is pretty much the lowest point on the front of your engine. ALL of the engine coolant (antifreeze) is in the UPPER half of the engine.
You need a harmonic balancer puller to remove the harmonic balancer. Most auto parts stores that offer loaner tools will have one for you to use and they should have directions if you've never used one before. To replace a water pump, first drain your coolant, remove belt, unbolt and remove water pump, scrape old gasket material from block surface. Place your bolts into new pump, slide gaskets over bolts then attach to engine, reverse other steps, make sure to close radiator petcock (drain valve) fill with 50/50 coolant mixture and start your vehicle to make sure gaskets aren't leaking any coolant
Generally its a leaky waterpump its located right over the balancer.water runs down timing cover and drips off balancer.ther is a vent hole on bottom of water pump,hard to see it,thats where it will drip from
You are not seeing the leak but it's a good bet it is the pump. There is nothing associated with the balancer that can leak coolant. Get underneath with a flashlight and take a really good look. (do cold with cap off radiator)