Question about 1996 Mercury Grand Marquis

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Intake heater hose leak

Behind the water pump on top of the motor, the hose is leaking antifreeze on the motor.
do i have to remove everything on the top of the motor?
what type of hose is it?
kevin

96 grand marquis LS 4.6 lt w/air

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  • Anonymous Mar 28, 2014

    need to move upper intake to get to the hose that comes from the water pump

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U sure do. not to hard to do be sure to replace gaskets and knowing if u have a dorman intake or stok helps gaskets are different most part stores will have to order the dorman gaskets. and DO NOT OVERTHIGHTEN !!!!!

Posted on Jan 16, 2009

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I will like to know if the antifreeze leak could be from the water pump if the leak comes from the bottom of the car and not from the radiator


ALL antifreeze leaks will be seen coming from the bottom of the car. Yes, it COULD becoming from the water pump. But then again, it could be coming from an intake manifold gasket, a heater hose, a throttle-body heater hose, a freeze plug, a timing cover, a heater control valve, etc..
To find out where it is leaking from, you must follow the antifreeze trail UP from where you see it leaking. Antifreeze leaks ALLWAYS travel downhill. Sometimes they can be deceiving also. I have seen intake manifold leaks at the front of the engine run all the way to the back of the engine and make it look like a rear freeze plug is leaking. Again, you must follow the trail to find the actual source.

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I have a 2000 Escalade and it's leaking a bit of antifreeze and I can't visually see where it's coming from but seems to be from the front end of the motor. It's not the radiator or any of the main v


I would take a look at the water pump. There is a weep hole on the water pump to indicate if the seals are going bad inside the water pump. This hole is located on the top of the water pump where the pulley mounts to it. If this is not the problem, then it could be a number of other problems.

I would check the following items, which I have listed in sequence of cost to repair.

1. check hoses and clamps, if leaking you should see areas that have build up of dried antifreeze.
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I am seeing water behind the pump on the top of the motor in the v under all the fuel injection / intake is that normal for water pump to leak there if its bad?


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My truck just started blowing antifreeze from the right side of the motor under the alternator i pulled the brackets off the front and the water pump but i could not locate where it was coming from what...


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it is a short L shape hose from water pump to intake manifold.
Also check heater hose under the alternator for leaks or cracks.

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Top right front of the engine is leaking antifreeze but it is not the hose or water pump.


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My 2001 ford F150 is leaking water from above the trans


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Heater hose or intake hose


You just have to find the other end of the hose and change it, or have a shop do it. It will not be very expensive, since it will be easy for them. You will have to remove a few things if they are in your way, but mostly can be changed with components still on motor. You should also check all hoses including vacuum hoses, your belts, etc., because if the car has not had regular maintenence, you will have more problems soon. Hope this helps, Rick

Apr 14, 2009 | 1996 Mercury Grand Marquis

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