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Whats the percentage of coolant to water - 2001 Jeep Grand Cherokee

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The ratio recommended by most manufacturers is 50/50 or 1 part water to one part coolant.

So, for instance, if you add 1/2 gallon of water, then you add 1/2 gallon of antifreeze/coolant until the system is filled.

Alternate 1 part water and 1 part coolant until it's filled, and you'll be pretty close to 50/50.

Don't forget the overflow tank.

Posted on Jul 11, 2010

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If its full strenght 50/50

Posted on Jul 11, 2010


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Can u add water to the radiator on an eclipse auto

firstly if you are finding that your coolant level is droping and you are having to top it up , there is a problem some where. the coolant system in this vehicle is sealed and at operating temperature even under pressure . coolant leaks are not always easy to locate as it can be behind a cover or simply a hose clamp loose and in a hard spot to view. I would highly recommend that you locate where the coolant is going as it is a serious problem if you overheat the car & the repair $ will be a lot more. If you have trouble finding it , getting a pressure test done at a local workshop would be the go, the cause of this problem wont go away on its own and adding coolant or water is only treating the symptoms to the bigger problem. how ever that was not your question , so if it is needing regular daily top ups I wouldn't waste my money with coolant I would only be adding water , but also id be addressing the real issue promptly, if it is only minimal and not that regular I would be still using the correct coolant for that vehicle. coolant has a few purposes one being a corrosion inhibitor, every manufacturer uses different metals in there engines and that is why there are different types of coolant to suit the different types of metals used so it is imporntant to use the correct one so it protects your engine correctly, coolant also raises the boiling temperature as well as lowers the freezing temp so if you are in a very cold climate it will help the coolant system not freeze solid when not running . it it freezes it can crack the block, if you are in a cold climate I wouldn't alter the mixture rate at all to be safe.. so the answer to your question is yes you can do either just water and get the problem fixed asap. or if it is only very minimal look up in the hand book for the recommended coolant and percentage that is required and stick to that. hope that helps you.

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My 1998 golf3 has the overheating light coming on and have had to top up water so often,i even changed the head gasket,it cleared for sometime but it is now back,changed thermostat and thermo switch please...



PRESSURE: ONLY ON A COLD ENGINE (HOURS WITHOUT USE) replace the radiator cap. With time, radiator caps tend to hold less pressure which can lower the boiling temperature of the coolant mixture.

COOLANT: First of all, everytime that you add water without antifreeze/coolant, you approach a lower ratio of antifreeze/coolant to water. Maximum protection is at 70% coolant to 30% water. A pre-mixed coolant already has water in it & at a 50/50 ratio, IT PROVIDES THE MINIMUM PROTECTION--ADDIMG TO THE PERCENTAGE OF WATER IN SUCH A MIXTURE TAKES IT BELOW MINIMUM PROTECTION WHICH CAN LEAD TO PROBLEMS SUCH AS OVERHEATING. Your best bet is to have the radiator FLUSHED & replenished with a 70/30 mixture of coolant & water.

FANS: It is quite possible that a fan is not properly functioning.

On a belt-driven fan, this could be caused by a faulty fan clutch. Replace the fan clutch AND THE WATER PUMP IN TANDEM IF THOSE SHARE A COMMON BEARING (A ROD EXTENDING TO BOTH). Regardless of what you hear, this is the proper method because when the bearing goes out on one side, it affects the other side. By not replacing both sides in tandem, undue stress can be placed on the replacement as an antagonizing see-saw effect can develop between the two parts.

On an electric fan, make sure that it is CONNECTED--including the GROUND WIRE. A DIRTY GROUND CONNECTION CAN INTERFERE WITH FAN OPERATION. A bad fuse can be discovered by examining for a melted connector inside the plastic (or in the case of an aftermarket "SMART" fuse it will light up when it goes bad). A bad fan relay is often best detected by comparing performance with a relay.

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Have you changed to a winter thermostat? If you changed your Themostat - is it stuck open (faulty). If you have an engine temp gauge - what does it say for heat? Be sure you have sufficiant coolant at the right mixture percentage to handle you ambient temperature conditions.

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level drops when a percentage enters the engine

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What type of coolant should be put into the engine coolant cylinder

Coolant recommendations and cautions:

The recommended mixture is 50/50 ethylene-glycol and low mineral content water. Never use pure antifreeze. Only Mopar Antifreeze Coolant, 5 Year/100,000 Mile Formula (glycol base coolant with corrosion inhibitors called HOAT) is recommended. This coolant offers the best engine cooling without corrosion when mixed with 50% distilled water.

Antifreeze mixture must always be at least 44%, all climates year round. Maximum protection (-90d) is provided with a 68% mixture protection. If the percentage is lower than 44 percent, engine parts may be eroded by cavitation, and cooling system components may be severely damaged by corrosion.

CAUTION: Mopar Antifreeze/Coolant, 5 Year/100,000 Mile Formula (MS-9769) may not be mixed with any other type of antifreeze. Mixing of coolants other than specified (non-HOAT or other HOAT), may result in engine damage that may not be covered under the new vehicle warranty, and decreased corrosion protection.

CAUTION: Do not use coolant additives that are claimed to improve engine cooling.

4.7L coolant capacity:
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Where do put the antifreeze at?

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Overheating but reading normal on gauge . bubbling in overflow bottle .

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Coolant: Service and Repair
1. Remove the radiator cap, the radiator drain plug and the rear heater unit drain plug (if equipped).
2. Drain the coolant into a container.
3. Flush the cooling system with water until all traces of color are gone.
4. Let the system drain completely.
5. Tighten the radiator drain plug and the rear heater unit drain plug (if equipped).
^ The engine has aluminum parts that can be damaged by alcohol or methanol antifreeze. Do not use alcohol or methanol in the cooling system.
Use only ethylene-glycol-based coolant.
^ Use only soft (demineralized) water in the coolant mixture. Water that contains minerals will cut down on the coolant's effectiveness.
^ Engine coolant will damage paint. If engine coolant does get on a painted surface, rinse it off quickly.
6. Refer to the following chart and select proper mixture of the water and coolant.
Antifreeze solution mixture percentage
7. Pour the coolant into the reservoir up to the FULL mark.
8. Tighten the radiator cap.
Caution: e If the coolant temperature becomes too high, stop the engine to prevent it from overheating.
9. Start the engine and let it idle until the cooling fan operates.
10. After engine warms up, perform the following steps.
1. Run the engine at 4,000 rpm for 1 minute.
2. Run the engine at idle for 1 minute.
3. Repeat steps (1) and (2) several times.
4. Turn on the main and rear heaters and verify that heat is coming from heater vents.
11. Stop the engine and wait until it is cool.
12. Inspect the coolant level. If it is low, repeat Steps 7-12.
13. Verify there is no coolant leakage.

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A lot of It depends on the condition of your coolant. or the percentage of coolant vs water.
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The water pump can also go out from the driving belt being too tight. Whether it is driven from the timing belt or a serpentine belt or a V belt.

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