Question about 2003 Jeep Liberty

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There is back pressure in coolant reservoir not a lot to cause steam or over flow out of the cap, and the reservoir heats up as if it were over heating causing the vehicle to drop to 1/2 an RPM than shut off on me.. have had the radiator replaced and camshaft sensor replaced also they did about $2,300 worth of engine work on the jeep...which did not solve the shutting off of the vehicle when stopped which was the initial problem...ive asked numerous people and have had a few say it could be the thermostat not opening and or closing could this be possible? IN EXTREME NEED OF HELP before i spend to much money trying to find a solution

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  • Jeep Master
  • 635 Answers

Replace radiator cap it acts a 2 way valve to let in or expel coolant from and into the recovery tank as it heats up and cools down.

Posted on Oct 14, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 142 Answers

SOURCE: 1996 Jeep cherokee, leaking coolant when cold/ hot ok.

waterpump houseing/shaft seal is on the way out hence the water/coolant, running along the block. when hot the seal does so, when cold and depressurising seal doesnt.

Posted on Jan 25, 2009

buffalonyman
  • 1865 Answers

SOURCE: coolant not flowing to engine, overheating after replace radiator

Remove the thermostat and then try it. If it works then replace t-stat

Posted on Jun 12, 2009

ministock48
  • 258 Answers

SOURCE: I am trying to troubleshoot my wife's 2006 Jeep

i would say change the thermostat its a possibilty it's sticking and not opening when it should be i would change it and see what happens from there

Posted on Oct 22, 2009

  • 192 Answers

SOURCE: 1996 jeep grand cherokee limited. engine is

You should have someone sing a dual trace lab scope, look at the Crank Angle Sensor (CKP) and Cam Angle Sensor (CMP) signals to check quality and sync.

Loose timing chains or broken flex plates can change the sync signal to the Powertrain Control Module (PCM) and cause a stall situation. Also you should have someone load test the battery and check the cables for corrosion. If the battery drops excessively during startup, the idle motor stepper count can be lost, Powertrain Control Module (PCM) will relearn it while driving.

Clean the throttle blades and adjust minimum idle.

With the air cleaner assembly off, hold the throttle wide open and look down the throttle with a flash light. Look at the lower intake plenum gasket for leaks, oil will build up around the edges and in the corners.

Perform distributor sync adjustment. I hope this helps. tried my best.....

Posted on Nov 05, 2009

  • 4 Answers

SOURCE: 2003 jeep liberty overheating still. Hello, I own

I had the same problem i change the bottom hose and the water pumps inside came loose replaced water pump....Also it has a bleeder by the top hose by battery get the air out.....

Posted on Jun 18, 2011

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1 Answer

Loosiantng coolant from system cant see any leeks


What I'm afraid of is that you've blown a head gasket.... cracked a head... or maybe even cracked your block. This results in too much pressure building up in your cooling system and blowing out your coolant. First of all,though, let's look at the simple things first. Are the electric radiator cooling fan (fans) working?? When they don't work, it usually results in everything running okay as long as the car is kept moving, but overheats when car is sitting still. Check this out.. This is a fairly frequent problem. Also, if you've had an over-heat situation because of a fan not working, you could now also have a cracked head or block problem, caused by the excessive engine heat. I'm not familiar with the vehicle you drive, so I don't know if the cap you said you changed on the reservoir is a "pressure cap", or not. If it's not, then you would have a pressure cap on the top of the radiator that may be faulty... (Note: Don't remove a pressure cap while engine is still hot.) After that, check and see if there might be a build up of bugs at the front of your radiator that might restrict air-flow. Good luck...

Dec 13, 2013 | 2003 Pontiac Grand Am

1 Answer

2004 gmc yukon is overheating and air conditioning blows cold air. i cracked open coolent reservoir and it gurgled so i shut it. then the heat started working and the engine temp went down, but not...


bleed the air from cooling system. and make sure its full of coolant. replace thermostat if need be. good-day ! if above fails replace coolant reservoir cap, it may not be releasing pressure as need be. and its over heating. just remove cap and start car to see if it over heats. if it still does, repair as above. and be sure the cooling fans are working. but an improper seal of the radiator cap or pressure malfunction of the cap is an easy (and cheap) source to check first. If the pressure in the radiator is not high enough, the fluid will boil at a lower point and the resulting steam cannot flow through the cooling system.

Nov 21, 2011 | 2004 GMC Yukon

1 Answer

What would cause a 2004 Dodge Caravan to leak engine coolant from both sides of the radiator and causes smoke on the driver side near the coolant reservoir?


Hi,
Seems the smoke is the hot steam from the coolant. That escapes from your radiator. The culprit would be the radiator cap. The coolant when your engine is hot, goes to your coolant reservoir, and it( coolant ) should go back to the radiator when your engine cools down.
The coolant failed to go back to the radiator because the radiator rubber seal is already broken and suppose to **** the coolant from the reservoir. Coolant also escapes from the radiator, thats why you see some coolant from both sides of your radiator. The heat inside the radiator expands the coolant and the only course is through some crack seals.
Radiator cap have pressure rating that opens its valve in a certain pressure.
Hope that helps you out!
Thanks for seeking help from FixYa!

Jun 23, 2011 | 2004 Dodge Caravan

2 Answers

Coolant reservoir is overfulling after being driven


It probably got overfilled at some point. There's a max line on the reservoir that you shouldn't fill it over. Coolant expands as it heats up so if there's too much in the system, it's normal for it to overflow.

May 26, 2011 | 2001 Jaguar S-Type

1 Answer

Radiador hose that goes to filler cap keeps poping off


Hi.
If I am reading this correctly you are speaking of the overflow hose to the reservoir. As your coolant heats up it expands, when the pressure goes over the rated pressure on the cap in flows into the reservoir. When the coolant cools off when shut down the vacuum created as it cools pulls the fluid back out of the reservoir.There should not be enough pressure in this hose to push it off unless the hose is too soft to hold.There must be a blockage in the hose or in the reservoir itself to create this problem. Dirt may have gotten into the tank or hose or the hose is pinched along it's length.
After you have located and repaired the problem a plastic tie strap could be put on it .
Hope this helps you out.

Nov 06, 2009 | Dodge Durango Cars & Trucks

8 Answers

What causes high pressure in cooling system?


i can give you a general answer. the cooling sys is a closed system. as the engine warms up pressure is also increased. kinda like how a boiler works, or a pressure cooker. i dont know the figure of how much pressure is produced within an engine that is operating normally. the engine's thermostat. the thermostat of many car engines opens at 195 deg coolant temp, allowing the coolant to circulate. high pressure when considering a car's cooling sys to me is relative. if you try to remove the radiator cap when the engine is at/near/above operating temp you will be burned by the hot coolant under pressure rapidly escaping out the radiator. most pressure that is above normal is caused by an obstruction somewhere in the system. a t'stat that is stuck shut is an example. air pockets within the system will also lead to high pressure within the system. air pockets occur when you refill the system with coolant/water. pouring water/coolant back into the radiator traps air that can circulate throughout the system and you must ensure that these air pockets escape out the radiator, or you risk damaging the engine from excessive heating.

Aug 09, 2009 | 1993 Chevrolet Suburban

1 Answer

Engine coolant hot


fill the reservoir with the coolant. it is a GOOD thing you dont see steam or a leak I hope.YOU DO WANT TO CATCH THE PROBLEM BEFORE IT REALLY OVERHEATS OR YOU MAY HAVE MORE COSTLY PROBLEMS. fill the reservoir. BUT, it may only fill the "radiator" once you do this as it cools off. As the radiator water cools it sucks the reservoir water into the radiator. as it heats up and the water swells (increases in volume) it pushes the excess into the reservoir. when the engine is good and hot and you dont have any coolant in the reservoir, that is a sign that the radiator is low or empty also.
when the engine is cold, find the radiator cap and remove it, add as much coolant you can there. fill the reservoir also. If it has been several years since the radiator cap has been replaced, I would do that now ( it is a cheap investment). if the gasket on the cap is not sealing well anymore or the exspansion valve mechanism on the cap is not working properly anymore, then it will let coolant pump out into the reservoir and not hold radiator pressure. if the reservoir is empty the radiator itself is probably too low or empty.

Jun 11, 2009 | 2005 Cadillac Escalade Esv

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Have oil in my radiator fluid reservoir tank (1996 v6 3.8)


Twice in two years now my Saab 9-5 has had a pin-hole in the oil cooler, which has caused oil to flow into the reservoir. A way to tell is if coolant/oil is coming out of the reservoir cap. The reservoir cap is rated for the pressure of the coolant system, which is significantly lower than the oil pressure. When there is a hole in the oil cooler, oil will be forced out at relatively high pressures, causing the reservoir to fill and then over pressurize and spill out of the cap.

Mar 10, 2009 | 1993 Ford Mustang

1 Answer

Engine coolant.


the reservoir may be overfull. Fill to cold line on reservoir bottle.
Or, the radiator cap is not holding th epressure.
Or, worse case, the head gasket is blown and letting compression pressure from the engine into the radiator.

Jan 18, 2009 | 1991 Ford Explorer

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