Question about 2007 Saturn Outlook

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Leaking coolant and outlook is overheating

Leaking a small amount of coolant difficult to see exactly where from. Engine overheats

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  • 333 Answers

Does it look like it is coming from behind the pulleys? If so it probably is the water pump. It has a weep hole on it for when the bearings go out. Try tightning all hoseclamps on the hoses. If it overheats real quick then its prob water pump or thermostat

Posted on May 11, 2010

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2006 Equinox. Losing water. Over heats. Is this a thermostat or water pump problem??


Depends on where the coolant is going.
If it is an external leak it could be a leaking water pump. If there are no external leaks and you are loosing coolant, it could be a blown head gasket. Especially if the engine has already overheated once.
A sticking thermostat would cause the engine to overheat and then loose coolant from the overflow tank. But not until it overheats.

Oct 06, 2015 | Cars & Trucks

1 Answer

Engine Overheating


no other signs just the dash gauge, upset? what if its fibbing?
no steam, no water to ground overflowing overflow tank.
no engine pinging. no lost power, from engine, SIGNS. are key. here.
Did you consider using a IR pyro gun for $20 and find if it is really overheating,? the gun also finds clogged rad tubes, childs play like.
are you loosing coolant. that is when cold actually off the cap
and look down deep in the RAD tank? This matters, most.

which engine,? 2.5,4L or bigger?
what does no coolant going into...., mean.?
it's a loop system.
first off, we need to know does it overheat only parked?
or can you drive it from cold and keep it going and it never overheats
moving fast.?
if the engine stays cool 180F, moving fast , then your stop. and NOW it it overheats, that means the fan is dead.
or a marginal radiator, (Pyro gun to rescue)

Mar 24, 2014 | 1994 Jeep Grand Cherokee

1 Answer

Coolant and oil leak


have a compression test done as the bubbles suggest a blown head gasket or cracks. That will account for the overheating. The oil leak may be from the head gasket or cracks.

Jan 21, 2014 | 2000 Ford Taurus

1 Answer

I replace my leaking radiator and bought a new one yesterday. After i put it in the car started fine, after that the engine started to get hot, no coolant leaking but what i realize is that the engine is...


Car overheats and Air blows hot at idle?

http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html
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CAR OVERHEATING


There are many possibilities for car overheating.

Faulty thermostat clogged radiator/plugged radiator, radiator hose worn out. Coolant running low. Low coolant pressure. Faulty temperate sensor.



I suggest you to go through the troubleshooting details mentioned in the link below:-----


All types of car overheating problems and troubleshooting?

http://technoanswers.blogspot.com/2011/11/all-types-of-car-overheating-problems.html

----------

These will help.

Thanks.

Dec 09, 2012 | Cars & Trucks

2 Answers

Coolant boiling in resevoir.


It can be faulty coolant temperature sensor.Its not sensing exact coolant heat temperature so its overheating then required level.

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Get the coolant pressure tested, its definitely leaking coolant. You will need to get the coolant running line.


Pressure test will help you to know from where exactly coolant/refrigerant is getting leaked.

===========

For complete step by step troubleshooting i suggest you to go through the help links mentioned below :----

Click the link below :-----


Coolant enters in transmission on Toyota Land cruiser?

http://schematicsdiagram.blogspot.com/2012/01/coolant-enters-in-transmission-on.html

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1991 Toyota Camry: Order Coolant Bypass Tube?

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http://whatisbyme.blogspot.in/2012/05/2002-toyota-camry-puff-of-blue-or-white.html

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1994 Toyota Camry: Coolant Leak?

http://technoanswers.blogspot.in/2012/04/1994-toyota-camry-coolant-leak.html

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2006 Cadillac DTS: COOLANT LEAK AT DRIVER SIDE NEAR FIREWALL?

http://schematicsdiagram.blogspot.in/2012/04/2006-cadillac-dts-coolant-leak-at.html

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Loosing Coolant?

http://whoisbyme.blogspot.in/2012/06/loosing-coolant.html

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Coolant temperature sensor dies again and again?

http://schematicsdiagram.blogspot.com/2012/01/coolant-temperature-sensor-dies-again.html

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2000 Daewoo Lanos: Where to Add Coolant?

http://repairhelpcenter.blogspot.in/2012/06/2000-daewoo-lanos-where-to-add-coolant.html

Blue Water Warning Light on Dash?

http://whatisbyme.blogspot.in/2012/07/blue-water-warning-light-on-dash.html

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Replacing Oldsmobile Engine coolant sensor?

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How to test Engine coolant temperature sensor?

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Replace Coolant Sensor Module on Oldsmobile?

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These details will help.

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Nov 28, 2012 | 1996 Lexus GS 300

2 Answers

My van started shooting water into the overflow. it was more like a blockage problem to me so here is what i have tried so far with no luck. i removed the thermostat to one make sure it was not stuck and...


Your right that there is not much to a cooling system when you only look at the cooling system without noticing the other components, not really something you do much on aircraft engines cooling systems.

A water pump can have a broken or coroded impeller making the coolant flow too slowly to carry the BTU's that needs to carried off. This usually would allow the user to operate the vehicle for the normal amount of time it would take to reach thermostat opening tempurature, so if it builds presure too quickly or overheats very quickly this may not be the problem. The normal amount of coolant flow through the system depends of the speed of the waterpump at that time, and the position of the thermostat. An egine turning 3000 and a thermostat wide open would produce a flow of about 2 - 3 quarts per 10 seconds. More for larger engines like, say, a v-10 viper.

Or there may be too many BTU's for the system to contend with, like for example, a leaking cylinder head gasket, cracked head/block or something like that which would allow very hot combustion gasses to enter the coolant stream adding huge BTU values to the system as well as increasng the coolant internal presures forcing the radiator cap to "pop" and relieve the system presure into the overflow bottle. In essence, a leaking headgasket acts like a cutting torch shooting hot combustion gasses into the coolant. The amount of time it takes for the system to overpresurize or over heat is a good indicator of coolant being exposed to combustion gasses. The cooling system can be checked for combustion gasses.

Or perhaps the heat being carried is not being effectively removed from the coolant. A radiator can become "sludged" up with stuff and litterally not be able to cool the coolant in the amount of time that the coolant is in the radiator. Sometimes a coolnt flush can help this, but it is only temporary. If the engine is normally producing, say, 250,000 BTU's per minute then the radiator must be able to carry at least twice that amount away durring heat exchanging.

Here's some clarifying questions we could use to help find the problem; (be specific and descriptive)


How long can you run the engine before it either overheats or starts overflowing the coolant?

Does the system presure increase very much when the engine is first started cold?

Is the radiator cap relieving the presure at the specified value?

Do the radiator fans work when needed? If the engine overheats rapidly when started I don't think the fans are an issue unless that is why the engine overheated in the first place taking out the headgaskets.

Also, if you wish to follow up on these questions let us know what model, year, and engine you have.

Always here to help, just ask away!

Apr 17, 2011 | Chrysler Voyager Cars & Trucks

2 Answers

Why would a 2005 Dodge Caravan need or use excessive amounts of coolant?


The engine is either overheating and the coolant vaporizes (check also the oil level) or the cooling pipe system has a leak somewhere.

Feb 28, 2011 | Dodge Caravan Cars & Trucks

1 Answer

The car was leaking antifreeze and started smoking in 40 degree weather. I filled it and it stopped leaking, but the engine is still overheating. If its the water pump, how can I replace it on a 1992 chevy...


Is the antifreeze leaking out of a small hole on the water pump housing just behind the pulley?
You need to know exactly where the leak is coming from. If the pump is not leaking then there is another location.
Generally pumps either work or leak. They do not slow down and overheat the engine.
Where did the smoke come from? Under the hood or out the exhaust pipe? If you blew a head gasket and the exhaust was blowing steam that would cause overheating. The original leak under the engine would cause overheating that then will cause other problems like blown head gaskets.
Did you use stop leak or some quick fix? what did you do to stop the original leak?

Jan 08, 2011 | 1992 Chevrolet Caprice

1 Answer

Slowly overheats after about 8mi.radiator cool at that time ,water pump running(good belt,not leaking) hoses hot also keeps neediding coolant top off but no leaking under car.no water in oil or evident...


That's about the right amount of time for a thermostat to start opening. If the rad is cold and the engine is overheating then get the thermostat changed. It's likely sticking closed. This situation would also cause your coolant to boil in the head and evaporate the water out of the mixture. That's why you need to keep topping up. Hope this helps.

Sep 17, 2010 | 1998 Cadillac DeVille

4 Answers

Over heat


If the head gasket goes water is allowed to seep into the cylinders and then out of the exhaust.

Once the level has dropped enough the car overheats

Or the water is pressurised in the radiator from the compression of the engine and it is forced out of the overflow leading to coolant loss and overheating

Sep 16, 2009 | 1996 Ford Contour

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