Question about 2005 Yamaha YZF-R1

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Ratio water and coolant

Best ratio of water and coolant to lower engine's operating temperature

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Best mix is 50 water and 50 ethylene glycol (coolant) Measure both of these in ounce or ml containers and add the same amount of each one.

Posted on Aug 13, 2016

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Diagram for cooling system bleeder valve 02 deville


There isn't one !
Filling Procedure
Notice: Do not add cold water to the cooling system with the engine at or above operating temperature. Adding cold water causes rapid cooling, resulting in possible engine damage.
NOTICE: When adding coolant, it is important that you use GM Goodwrench DEX-COOL® or HAVOLINE® DEX-COOL® coolant. If Coolant other than DEX-COOL® or HAVOLINE® DEX-COOL® is added to the system the engine coolant will require change sooner; at 50 000 km (30,000 mi) or 24 months.
Notice: Do not use a solution stronger than 70 percent antifreeze. Pure antifreeze can freeze at -22°C (-8°F).
Important: This engine is not equipped with block drains, 2.5 L (2 qt) of residual coolant remains in the engine block.
Refill the cooling system. In order to ensure sufficient engine cooling, freezing and corrosion protection, maintain the protection level at -37°C (-34°F) or lower.
Start the engine.
Place the heater and A/C control in any A/C mode except Max and the temperature in the highest setting.
Allow the engine to continue idling until the lower radiator to water pump hose is hot.
Turn OFF the engine.
Allow the engine to cool to outside temperature. Ensure the coolant level in the surge tank is at the proper level (1).

Nov 19, 2016 | 2002 Cadillac Deville

1 Answer

Why is the temperature light keep coming on and the gauge keep going up and down?


Temperature Warning Light is on Inspection Service How this system works: With the exception of older, air-cooled vehicles, cars rely on a liquid called coolant (or antifreeze) to keep the engine at an optimal temperature. Coolant is a mixture of water and ethylene glycol, and it circulates around the engine block and absorbs excess heat, which keeps the engine from overheating. The coolant converts that heat to air in the radiator, and then the air is emitted, at which time the coolant is ready to absorb more heat. Without coolant, the engine would quickly ruin itself with its own heat production. Common reasons for this to happen:
  • Coolant is low or weak: The most common culprit when an engine overheats is low or weak coolant. If your car doesn't have enough coolant, then it can't absorb enough heat. While your car will naturally lose small amounts of coolant over the years, a leak is the most likely cause of low coolant levels.The proper ratio of coolant to water can also get distorted, resulting in a problem. Too little or even too much antifreeze can dramatically lower the boiling point of the coolant. A proper ratio of antifreeze to water is 50/50 to 60/40, depending on the vehicle.
  • Broken radiator fan shroud: The radiator fan shroud directs the airflow across the radiator so the air can absorb the coolant's heat. When the fan shroud breaks or becomes dislodged, air fails to enter the radiator, and the coolant will no longer have a place to direct the transfer of heat.
  • Broken or missing air dam: Along with the shroud, some vehicles have an air dam (or deflector) underneath the vehicle. If this is broken or missing then the air can pass underneath the vehicle but not also through the radiator, which will cause overheating. These air dams are essential in newer vehicles, as they force the air through the fan shroud.
  • Faulty coolant temperature sensor: The temperature sensor takes constant readings of the coolant temperature and sends that information to the engine control unit. Based on the temperature of the coolant, the engine control unit adjusts the ignition timing, the fuel injector pulse, and the operation of the electric cooling fan.
  • Bad water pump: The water pump is responsible for keeping the coolant cycling throughout the engine. After the coolant transfers its heat energy to the air, the water pump recirculates it around the engine so that it can absorb more heat. The most common water pump problems are a leaking pump, bad bearings, or an impeller that has rotted away due to a low coolant ratio.
  • Stuck thermostat: The thermostat acts as a dam for the coolant. When the engine first turns on, and it is still cold, the thermostat keeps the coolant from circulating, which allows the engine to warm up as quickly as possible. Once the engine has reached its operating temperature, the thermostat opens and allows the coolant to circulate. A stuck thermometer may stay permanently sealed and therefore keep the coolant from reaching the engine block.
  • The thermostat may also stick open. This will not usually result in overheating, but it will waste gas.
  • Broken engine cooling fan: The engine has a cooling fan that is deployed when the coolant needs some extra help. When the coolant temperature sensor notices that the coolant temperature is getting too high, the engine control unit (on newer vehicles) will initiate the cooling fan to reduce the temperature.
  • Broken thermostatic fan clutch: Older vehicles use a thermostatic fan clutch to engage the engine cooling fan, which is mounted to the fan blades. The fan clutch uses a bi-metallic spring that tightens when the temperature increases. This acts as a "high speed" option for the fan, and when engaged, it draws more air across the radiator.
  • Blown head gasket: The head gaskets sit between the engine block and the cylinder heads, and keep coolant from entering the engine's oil and combustion chamber. When a gasket blows and coolant seeps in, the issue is not only that the engine will overheat, but also that damage may be done to the catalytic converter and oxygen sensors due to contamination from the coolant. What to expect: A top-rated mobile mechanic will come to your home or office to determine the cause of the temperature warning light turning on and the source of the overheating, and will then provide a detailed inspection report that includes the scope and cost of the necessary repairs. How important is this service? An overheating engine is extremely dangerous. It is not safe to drive a vehicle with an overheating engine, or you may ruin the engine completely and put yourself at risk. As soon as you notice the light come on, pull over. If there is no place to safely pull over, turn off your radio and other electrical units, and turn your heat on high (this will funnel some of the hot engine air into the cabin). As soon as you can safely pull over, do so, and then book one of our mechanics to perform an inspection.

Sep 30, 2016 | 2008 Pontiac G6

1 Answer

Where is the temperature sensor located on a ford e-150 with a 302


The ECT (Engine Coolant Temperature) sensor is located either in the heater supply tube at the rear of the engine, or in the lower intake manifold. The ECT sensor is a thermistor (changes resistance as temperature changes).

The sensor detects the temperature of engine coolant and provides a corresponding signal to the PCM. From this signal, the PCM will modify the air/fuel ratio (mixture), idle speed, spark advance, EGR and canister purge control. When the engine coolant is cold, the ECT sensor signal causes the PCM to provide enrichment to the air/fuel ratio for good cold drive-away; as engine coolant warms up, the voltage will drop.

10_16_2011_1_04_57_pm.jpg

Fig. Unplug the coolant temperature sensor electrical connection to take off.

Hope this helps and keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment.

Have a nice weekend and thanks for using FixYa.
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Oct 14, 2011 | 1994 Ford Econoline

2 Answers

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...


RECALLS: CHECK WITH VW.COM TO SEE IF THERE ARE ANY RECALLS FOR THAT VEHICLE. IF SO, THEN ONLY FOLLOW THE MANUFACTURER'S INSTRUCTIONS.

GENERAL INFO: ALWAYS GET THE PROPER PARTS & FLUIDS THAT MEET OR EXCEED MANUFACTURER & GOVERNMENT SPECIFICATIONS & STANDARDS FOR YOUR VEHICLE.

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 replacement.fan relay.

Jan 10, 2011 | 1996 Volkswagen Golf

1 Answer

Leak where lower radiator hose connects to engine, how does it connect to block and is it difficult to repair the leak?


Real easy. The hose is held on by a jubilee clip. Best bet is to remove the hose (it will mean the radiator and block become drained of coolant) and clean the outside of the metal tube on which the hose is mounted. Sometimes corrosion here leads to leaks so scrape clean and polish with wire brush. Ensure that the hose is in good shape and that its interior has no bits of corrosion or dirt clinging to it. Slip the hose on to the tube and tighten the clip up. Refill the cooling system with a mixture of 1 part glycol antifreeze to 2 parts water. If in the Northern states make that mixture a ratio of 1 part glycol to 1 part water. Ensure the filer cap is on type and run engine up to operating temperature. Squeeze the top hose to help expel any air bubbles from the system. When the engine has cooled again check coolant levels and top up to make up for the expulsion of trapped air.

May 17, 2010 | 1997 Jeep Grand Cherokee

2 Answers

What engine coolant do i need for my daewoo lanus and what ratio please?


you need a 50/50 mixture of antifreeze and water its best to buy it already mixed.

Feb 06, 2010 | 2001 Daewoo Lanos

1 Answer

Changed expansion tank but light still on any ideas 03 ford escape low coolant level light on dash stays lightup


bad low coolant switch or still low on coolant.

Engine Cooling The cooling system components are the:
  • engine coolant temperature sensor (ECT sensor) (12A648)
  • radiator (8005)
  • degas bottle (8A080)
  • radiator draincock (8115)
  • water pump (8501)
  • water temperature indicator sender unit (10884)
  • water thermostat (8575)
  • dual speed fan motor assembly
The water pump circulates the coolant.
The water thermostat:
  • controls the engine coolant temperature.
  • allows quicker engine warm-up.
The degas bottle:
  • provides a location for fill.
  • contains coolant expansion and system pressurization.
  • provides air separation during operation.
  • replenishes the engine coolant to the system.
The fan motor (8C607):
  • operates only when the ignition switch is in the RUN position.
  • will not operate with the switch in the OFF position.
The engine coolant flows:
  • from the lower radiator hose (8286) to the water pump.
  • from the water pump to the engine block and the cylinder heads.
A closed water thermostat returns the engine coolant to the water pump; an open water thermostat allows the engine coolant to flow to the radiator.
Engine coolant provides freeze protection, boil protection, cooling efficiency and corrosion protection to the engine and cooling components. In order to obtain these protections, the engine coolant must be maintained at the correct concentration and fluid level in the degas bottle.
When adding engine coolant, use a 50/50 mixture of clean, drinkable water and engine coolant.
To maintain the integrity of the coolant and the cooling system:

Dec 07, 2009 | 2001 Ford Escape

2 Answers

Engine is overheating even though there is water in the radiator


1. There shouldn't be water in the radiator at any time of year at any point of the world. Water causes corrosion, limestone, has worse boiling and freezing points, damages the sealing of the water pump and lowers significantly the efficiency of the cooling system. Clean the system adding a special liquid, following the directions on the can. You can buy such from most car stores and even big gas stations. Before filling with coolant, check for leaks, the water pump. It is annoying to loose your coolant because of an old hose or smth like that. The coolant can be chanced once per three or even five years, check the coolant's packing for this and for the required ratio of solution (usually 50/50 water to coolant). Best is to use distilled or at least soft water, but it is done mainly by paranoid people like me. :) Tap water is good enough. Also, still before filling the system, check whether the radiator is not jammed with dust, leaves, etc. and that the cooling fan switches on at required temperature (temperature sensor, relay if any, the fan itself, wires). When cleaning and filling , put the heat regulator ot the dashboard at full heating, so that the flow to heating radiator is opened as well.

Nov 08, 2009 | Subaru Legacy Cars & Trucks

2 Answers

Where is the temperature sensor for a ford e-150 van 1994 on a 300ci v-8 engine. Thanks rick


1994 Ford Truck E150 1/2 ton Van 5.8L MFI 8cyl Temperature Switch is located: Front seating area, center, under engine cover, front driver side of intake manifold, mounted in engine block.

The ECT sensor (Engine Coolant Temperature Sensor) is located either in the heater supply tube at the rear of the engine, or in the lower intake manifold. The ECT sensor is a thermistor (changes resistance as temperature changes). The sensor detects the temperature of engine coolant and provides a corresponding signal to the PCM. From this signal, the PCM will modify the air/fuel ratio (mixture), idle speed, spark advance, EGR and canister purge control. When the engine coolant is cold, the ECT sensor signal causes the PCM to provide enrichment to the air/fuel ratio for good cold drive-away; as engine coolant warms up, the voltage will drop.

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Engine component locations-1994 5.8L engines

I hope help you with this, good luck (remember rated this help).

Sep 02, 2009 | 2002 Ford E-Series

1 Answer

My 2001 lincoin ls gauge goes up to the h and then come back down


you probably have air trapped in the system. Have dealer or radiator shop bleed system.

I assume your cooling fan is working.

what engine v6 or v8?

SECTION 303-03: Engine Cooling 2001 Lincoln LS Workshop Manual
DESCRIPTION AND OPERATION Engine Cooling The cooling system components include the:
  • block heater (optional)
  • cylinder head temperature sensor
  • fan blade, fan motor and fan shroud assembly
  • radiator
  • pressure relief cap
  • degas bottle
  • radiator draincock
  • water pump
  • oil cooler (optional)
  • water thermostat
The water thermostat:
  • controls the engine coolant temperature.
  • allows quicker engine warm-up.
The degas bottle:
  • provides a location for system fill.
  • contains coolant expansion and system pressurization.
  • provides air separation during operation.
  • replenishes the engine coolant to the system.
The fan blade draws air through the radiator to help cool the engine coolant.
The fan motor:
  • operates only when the engine is running.
  • will not operate when the engine is off.
The engine coolant flows:
  • from the lower radiator hose to the water pump.
  • from the water pump to the engine block and the cylinder heads.
A closed water thermostat returns the engine coolant to the water pump. An open water thermostat allows the engine coolant to flow to the radiator.
Unsatisfactory coolant materials:
  • Alcohol-type antifreeze does not provide adequate water pump lubrication.
    • has lower boiling point
    • reduced antifreeze protection
  • Alkaline brine solutions will cause serious engine cooling system damage.
The cylinder head temperature sensor provides a signal to the temperature gauge.
  • will invoke failsafe cooling.
The optional block heater:
  • electrical heating element is installed in the block cooling jacket.
    • uses a standard 110V (220V in Europe) electrical supply
  • keeps the engine coolant warm during cold weather.
The auxiliary water pump (3.9L only):
  • provides heater coolant flow boost.
  • has a secondary function of providing engine-off cooling.

May 01, 2009 | 2001 Lincoln LS

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