Question about 1998 Jeep Grand Cherokee

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I FILLED THE COOLANT SYSTEM AND BECAUSE THE WATER PUMP OUT LET SITS HIGHER THAN THE RADIATOR I HAVE A ARI LOCK. HOW CAN I VENT THIS ARI OFF?

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Hello ,this is what i do for this vehicle .First take off one of the heater hoses going to the top of the water pump.Next make sure the radiator cap is ON .Then take a funnel ,stick it in the waterpump tube .Then poor the antifreeze in slowly until antifreeze comes out of the hose that was taken off .this will put antifreeze into the engine and radiator.:)

Posted on Sep 24, 2009

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When I replace water pumps or do other work on the cooling system, I fill the radiator with coolant, turn on the engine with the radiator cap OFF. Then, I 'burp' the water jacket. That simply means letting the car idle to operating temperature, at which time the coolant will start to circulate. You can see it begin to rush past when you look into the filler neck of the radiator. I keep topping up the coolant to keep it level with the top of the radiator tank. As the engine continues to run, the air will start to 'POP' or 'BURP' out of the filler neck in bubbles. Once this burping stops, I replace the cap and drive the car for about 15 miles.
I simply let the car cool down and then remove the radiator cap to check the level of coolant because the 15 mile drive would have helped displace more air. I top off the coolant level as needed, and I'm done.

Posted on Oct 09, 2009

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Http://www.scribd.com/doc/20027717/Jeep-WK-Grand-Cherokee-Section-07-Cooling

Go there and look at page 12. I have no way of knowing your engine size.

Posted on Sep 24, 2009

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Posted on Jan 02, 2017

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1 Answer

Why did my 2011 DTS Cadillac overheat?


An overheated engine can be caused by anything that decreases the cooling system's ability to absorb, transport and dissipate heat; therefore engines can overheat for a variety of reasons. Let's take a look at some of the most common causes.
Cooling System Leaks
This is the primary cause of engine overheating. Possible leak points include hoses, the radiator, water pump, thermostat housing, heater core, head gasket, freeze plugs, automatic transmission oil cooler, cylinder heads and block. Perform a pressure test. A leak-free system should hold pressure for at least one minute.
Wrong Coolant Concentration
Be sure to use the coolant recommended by your vehicle's manufacturer. The wrong type of coolant and/or mixing the incorrect concentration of coolant and distilled water can also result in engine overheating. The best bet is to perform a complete flush and fill.
Bad Thermostat
A thermostat is a heat-sensitive valve that opens and closes in response to engine temperature. Heated engine coolant passes through to the radiator when the thermostat is in the open position. In the closed position, it prevents the flow of coolant to speed up the warming of a cold engine. When the thermostat gets stuck in the closed position, coolant stays in the engine and quickly becomes overheated, resulting in engine overheating.
Blocked Coolant Passageways
Rust, dirt and sediment can all block or greatly impede the flow of coolant through the cooling system. This can limit the system's ability to control engine temperature, which may result in higher operating temperatures and engine overheating. Once again, a flush and fill is recommended to remove debris.
Faulty Radiator
By passing through a series of tubes and fins, coolant temperature is reduced in the radiator. Leaks and clogging are some of the most common causes of radiator failure. Any disruption in the radiator's function can lead to elevated engine temperature and overheating.
Worn/Burst Hoses
A hose that contains visual cracks or holes, or has burst will result in leaks and disrupt the flow of engine coolant. This can result in overheating.
Bad Radiator Fan
A fan blows air across the radiator fins to assist in reducing the temperature of the coolant. A fan that wobbles, spins freely when the engine is off, or has broken shrouds will not be able to reduce the temperature to proper level, thus possibly resulting in engine overheating.
Loose or Broken Belt
A belt is often the driving link that turns the water pump at the correct speed for proper coolant flow through the cooling system. If a belt is loose or broken, it cannot maintain the proper speed, thus resulting in poor coolant flow and ultimately, engine overheating.
Faulty Water Pump
Known as the 'heart' of the cooling system, the water pump is responsible for pressurizing and propelling engine coolant through the cooling system. Any malfunction of the water pump, including eroded impeller vanes, seepage or wobble in the pump shaft, can prevent adequate coolant flow and result in engine overheating.

Oct 13, 2016 | 2011 Cadillac DTS

1 Answer

The water isn't circulating


Hi Dayn:
Hmmmm.......
Just a couple of comments for you to add to your pondering.
- The water (engine coolant) is circulated by the water pump.
- The water pump is turned by a drive belt from the crankshaft.
- The coolant can only circulate when the thermostat is open.
- Sometimes a freshly filled radiator can have an air lock that prevents the coolant from reaching the water pump.
So,
We need to go through the system to find what part is not doing its job.
Hope this helps.
WORK SAFELY!!!!!!!!!!!!
NEVER open the cap on a hot radiator.
Cheerfuls.

Dec 02, 2015 | Cars & Trucks

1 Answer

Opened bleeder valve on charger 2.7. Only vapor comes out. Bad pump or thermostat?


Continue to add water until the vapor "lock" is purged of all air. All coolant bleeders are supposed to reside higher than the radiator/coolant filling area...the coolant should flow out of the bleeder valve before tightening the bleeder shut.

Jan 09, 2015 | Cars & Trucks

1 Answer

Overheating with normal temp on gauge


The heater core would not cause you needing a quart or two of coolant to fill it up. And the water pump would not affect this either.
Something is blocking the system, it could be something in the radiator or something in one of the hoses.
You might try taking the top hose off and filling the engine with the radiator blocked off. Or fill the radiator with the engine blocked.

Dec 11, 2012 | 2001 Mitsubishi Eclipse Spyder

2 Answers

Overheats after 5 minutes. Radiator recently replaces.


Most probably when the radiator was replaced it was not filled properly and you have an air lock in the system preventing water from circulating properly.
Read your owners manual or go a forum on your partcular car there as specific methods of adding coolant to assure no problems. Some systems even have a bleeder.
Other possible problems would be a collapsed hose or a bad thermostat.

Feb 10, 2012 | 1997 Dodge Caravan

1 Answer

I have 1992 GMC pickup that I bought new. It has


The cooling system has not been completly full of coolant,make sure the level of coolant drops,when the engine heats up,and the thermostat opens up,then the coolant level will drop,when it does,be ready to fill the radiator completly full at this time,then cap the radiator off with the radiator cap.Be sure to fill coolant reservoir up,a little past the full mark.so it can fill it self as needed.If there is not enough coolant in the system,it will do what it is doing now.

Jan 05, 2010 | 1991 Ford F150

1 Answer

I replaced the water pump and thermostat in my sons 1998 Jeep. It has a 4.0L and the water pump out let hose back into the radiator sits several inches higher than the radiator. This is causing a air lock....


4.0 engines aren't really prone to air locks. Keep the heater on high while re-filling. If you have an overheating problem and you can't get the radiator to fill fast enough, likely the radiator core is internally blocked. When that happens it seems that the upper hose can't be purged of air. Jeep radiators are in my opinion too small for the engine and if partially blocked, have no "leeway" or forgiveness. They just will not fill correctly.

Sep 24, 2009 | 1998 Jeep Grand Cherokee

1 Answer

How do I fill the coolant system. The water pump out let hose is much higher that the cap?


Fill the actual radiator...Not the overflow tank. Mike. Rate 100% and respond back please.

Sep 24, 2009 | 1998 Jeep Grand Cherokee

5 Answers

Overheating 1992 acra integra


The coolant temp sensor tells the computer tempurature of engine at all times.It tells the coolant fans to come on,and also very important,when to cut off.If the fans don`t go off by them selfs,then temp is not going down.Now this is if the ac is off,cooling fans come on any time ac is turned on,so check for fans coming on and off with ac off.A bad coolant sensor would cause the fans not ot come on,but not to cut off nessasaralyCoolant systems must be bled of air trapped in systemfor the engine to be cooled .If air is in the system,the coolant won`t flow correctly.

Aug 07, 2009 | 1992 Acura Integra Hatchback

1 Answer

2000 Toyota Echo Coolant System Air Locked


check your heater tap in the engine bay ...they usually ran off a vacuum hose.
If the system was not bled properly..ie by filling the radiator WHILE the bleed screw is open you will get an airlock.
the bleed screw is usually on or near the thermostat housing.
The water level must be higher than the top on the engine (I use a piece of PVC pipe in the radiator filler to do this.)

Also make sure the thermostat is not stuck in the closed position.

Dec 30, 2008 | 2000 Toyota ECHO

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