Question about 1996 Ford Aerostar Extended

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Coolant leak ford aerostar 1996

Coolant leak coming from under a pulley, is this a water pump problem

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Posted on Jan 24, 2009

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Ford aerostar

Aerostar, gotta' be an old one. What year? They were made form 1986 to 1997. The newest it could be is 16 years old. So, the most likely possibilities with no more info than you've provided would be that the radiator could be clogged with calcium deposits; the fan clutch could be worn out.; the water pump could be bad.

How rusty was the coolant that came out when you replaced the thermostat? I've seen those 3.0 liter Fords with the water pump impeller blades worn completely off from pumping abrasive rusty coolant. Usually rusty coolant ends up meaning a bad head gasket which pumps air into the coolant and makes an air pocket under the thermostat and keeps it from opening because the air insulates the thermostat wax element. If the thermostat doesn't open because of air pockets, engine overheats.

4.0 liter engine not so common. Different problems, what do you have? Need more information to help you more.

Dec 08, 2013 | Cars & Trucks

2 Answers

1996 Dodge Ram 1500 leaking coolant

Probably the water pump. You should see coolant coming from the vent hole on the pump--usually on the bottom.

Jun 26, 2013 | Cars & Trucks

1 Answer

I have coolant leaking out of the fan pulley. why?

If the coolant is coming out of the one that's more to the center of the engine, it's going to be your water pump, when water pumps go bad they will leak coolant out, water pumps have a little hole in back of the pulley, that when the seal goes bad it will leak coolant through there.

Dec 06, 2010 | 1991 Ford F150

1 Answer

Water pump replacement-putting it back in and setting the timing.

  1. Step 1 Park your car overnight and put a large white piece of paper underneith your car. In the morning check the paper. If the paper is wet with liquid, you could have a water pump leak.
  2. Step 2 If the paper has green (in most cases) fluid on it, there is a good chance your vehicle is leaking coolant (sometimes refered to as "water"). In many cases, when you are leaking coolant it could be coming from the water pump.
  3. Step 3 Turn the engine off and open the hood.
  4. Step 4 Locate the water pump pulley. The pulley is the round part that the belt is attached to. To find it, look for the belts. You will see more than one pulley. Your car will have an alternator with a pulley and perhaps an air conditionermag-glass_10x10.gif, power steering and smog pump pulleys. If you are unsure, ask your mechanic to point out the water pump pulley.
  5. Step 5 Grab opposite ends of the round pulley and check for "play" (looseness): Try to rock it back and forth. There should be no give. If there is, the bearings are going and it's time to replace the water pump. By the time you can feel play in the water pump pulley, you may also be able to hear the bad bearing when the engine is running - there may be a low-pitched grinding noise coming from the water pump pulley.
  6. Step 6 Visually check the water pump (it's located behind the pulley) for signs of a coolant leak. If the water pump gasket is leaking, it must be replaced. This is a good time to get a new water pump, too, unless it was just recently replaced

Jun 03, 2010 | 1996 Pontiac Sunfire

4 Answers

97 chevy 1500 coolant leak

It is the water pump most likely,they have ,what they call a weep hole in the bottom under the pulley,so they will leak out to let you know to change them right away.If it is on the top coming from the intake area,it would be the intake,they are also bad to leak,but look at the pump,under the pulley.

Mar 13, 2010 | 1997 Chevrolet K1500

1 Answer

How do you change a waterpump on a 1987 ford aerostar with a clutch fan

Pretty easy for average mech. first drain coolant by loosening the lower radiator hose.
Make sure to have a drain pan. remove the power steering belt by removing the bolts to the idler pulley. and let belt off the pulley.remove the alternator upper bracket. and remove belt.
Take fan shroud off with two 8mm bolts on top oe it.
You cant remove untill you remove the clutch fan assembly.
It is left handed thread.
It has to be removed together.
Remove the four bolts to the pulley on front of water pump. and then remove all 14mm bolts around the pump.
Then remove 8mm bolts and it will be able to come off. assemble in reverse order!

Jan 01, 2010 | 1987 Ford Aerostar

1 Answer

How to dianose waterpump to find problem

Could be the water pump or the serpentine belt is slipping on the water pump pulley. Is the radiator coolant hot? If it is, the coolant is not circulating through the block and heater core. I am assuming you see and hear no leaks and you have installed the thermostat in the correct direction to match the coolant flow.You should be able to squeeze the radiator hose before the thermostat and feel it expand when you have the engine running. You might be able to splice a hose with a T connection and valve to see the flow. Otherwise you would have to take out the pump and check the impeller.

Sep 09, 2009 | Ford Cars & Trucks

1 Answer

Its leaking coolant and I think its from the water pump i need the location to be sure

The water pump will be on the serpentine assembly. It'll have a little hole on the shaft that connects with the pulley. If it's leaking out of the weep hole, your water pump is bad. You can also check the bearings by removing the belt, grasping the pulley, and try rocking it back and forth, up and down. If it moves, your bearings are bad and you'll have to replace the water pump.

Jun 28, 2009 | 1991 Ford Aerostar Extended

1 Answer

Aerostar engine runs hot

I believe your thermostat is stuck in the closed position. It's not allowing coolant to circulate and cool off in the radiator. The water coming out of the tube is from the radiator overflow tube. The super-hot coolant is expanding and has no where to go since the thermostat is stuck. Replace the thermostat and use a new gasket set. Its an easy job if your handy with tools.

May 05, 2009 | Ford Aerostar Cars & Trucks

1 Answer

Leaking coolant

Sound like a leaking hose to me or a leaking water pump, for me to help I need to know exactly what's leaking. Check it out and let me know. Good luck nd thanks for using FIX YA

Feb 03, 2009 | 1996 Ford Taurus

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