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Coolant leak coming from behind pulleys, what can it be?

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Good chance it is the water pump.... get a small mirror and you can check the weep hole on the bottom ot the wate pump to confirm.

Posted on Mar 21, 2011

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Bad water pump

Posted on Mar 21, 2011

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I have coolant leaking from the bottom pulley? what could cause this?


You don't say what make and model you have, but on many engines now, the water pump is behind the timing cover which is the same cover behind the serpentine pulleys. So it is probable your water pump is leaking in there, and coolant escaping from behind the cover. It is not usually economic to overhaul the pump itself.

If your engine has a timing belt, I'd advise changing that too as it has to come off.

Nov 23, 2014 | Cars & Trucks

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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

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How do i tell if waterpump is bad the water is evporating everyday


    • 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 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 Turn the engine off and open the hood.
    • 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 conditioner, power steering and smog pump pulleys. If you are unsure, ask your mechanic to point out the water pump pulley.
    • 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 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.

Feb 27, 2012 | 1998 Cadillac DeVille

2 Answers

Coolant leaking from behind top pulley. What coul


It sounds like the shaft seal on the water pump has gone bad. Replacement of the water pump is the only way to repair it.

Jun 08, 2010 | 2002 Chevrolet Malibu

1 Answer

1999 2.0L VW Jetta coolant leak behind crankshaft pulley


The MK3 VW's are prone to failure of the "coolant flange", which is located to the right of the valve cover, and will have 4-5 hoses and or sensors sprouting from it.

I'd be willing to bet that this is the source of your leak, not the cam pulley.

The part is inexpensive.

Jan 18, 2010 | 1999 Volkswagen Jetta

1 Answer

Coolant leak appears to be coming from the area


take a pic of it send it to me possibly manifold or head gasket leak

Dec 25, 2009 | Buick Riviera Cars & Trucks

1 Answer

How do you know if your mazda3 2004 water pump leak


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.

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.

Grab opposite ends of the water pump 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

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.

Nov 04, 2009 | 2004 Mazda 3

1 Answer

Coolant leak behind bottom pulley


Could be water pump weephole leak or water pump gasket under water pump trailing down timing cover and exiting behind crank pulley or water . Worse case, leak in timing cover. Water crosses through timing cover to and from water pump to engine block.

Oct 16, 2009 | Nissan Pickup 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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