What should I do if the water temperature of Renault Megane is high, and the steps of Renault Megane

Hello, see if there is a lack of coolant, if the thermostat is on, if the fan is working properly, thank you [Car question, ask the car master. 4S shop professional technician, 10 minutes to solve. 】

There may be several reasons for the high water temperature: 1. The cooling fan does not turn. The cooling fan may be controlled by a thermostat switch; It may also be controlled by a water temperature sensor.

2. Insufficient cooling medium. Antifreeze: High-end cars are required to be filled with antifreeze all year round; Water or distilled water:

temporary substitution; The water tank cover is leaking. 3. The thermostat is damaged. If you want to remove the thermostat, you should plug the small circulation at this time, so as to ensure that all the coolant is dissipated by the water tank; When installing a new thermostat, you should pay attention to the water hole, such as Santana does not have a water hole, at this time, a 6mm drill bit should be used to drill a hole.

One function is to be used as a marker; Another function is that during the heating process of the car, the temperature difference between the two sides of the thermostat is generated, so that the thermostat is accurately opened with the water temperature. Fourth, the water tank is clogged. External blockages should be removed with water or gas; Internal blockages affect coolant circulation and create pressure, which can result in two outcomes, one is a leaking water tank or the other is a particularly high water temperature at high speeds.

5. Pump failure. The impeller slips or gets stuck, causing the timing belt to break; The impeller is deformed. 6. Cylinder corrosion.

The combustion chamber and the waterway are flushed, and at this time, the water will be drained from the drain pipe or white smoke will be discharged, resulting in a frequent shortage of water in the water tank; The waterway and the oil channel are flushed (the oil is white when there is water); The waterway and the waterway are rushed, resulting in poor heat dissipation of the cylinder block, especially at high speed; Blocked waterways. 7. Incorrect ignition timing (corrected with timing lamp) and oil pressure.

Hello, the reasons for the high water temperature are 1. Lack of water in the engine. 2. The fan does not turn, 3 The thermostat does not open, and 4 The water pump is broken. 5. The water tank is blocked or the cooling system is leaking.

You first open the lid to see if there is a lack of water. If there is no shortage of water, wait until the car has cooled down completely, open the water storage can, add water, and see if there is any leakage elsewhere. If it has been high temperature, it is recommended to call the rescue**, and drag it to a professional repair shop for repair.

High temperatures hurt the engine the most. Done Thank you [Car question, ask the car master. 4S shop professional technician, 10 minutes to solve. 】

The liquid refrigerant can only be filled through the high-pressure end, which is safer and faster, and is suitable for the first filling after evacuationThe gaseous refrigerant must be filled through the low pressure end, which is suitable for supplementary use due to the slow filling speed.

Since the refrigerant filling methods in the two states are different, let's describe their correct filling methods separately.

High-pressure end refrigerant filling method steps:

1. When the system is vacuumed, close the high and low pressure manual valves on the manifold pressure gauge.

2. Connect one end of the middle hose with the joint of the refrigerant tank injection valve. Open the refrigerant tank opening valve, unscrew the nut at one end of the manifold gauge hose, let the gas escape for a few minutes, and then tighten the nut.

3. Unscrew the manual valve on the high-pressure side to the fully open position and turn the refrigerant tank upside down.

4. Inject a specified amount of liquid refrigerant from the high-pressure side. Close the high-pressure manual valve on the refrigerant tank injection valve and manifold pressure gauge, and then remove the gauge. When the refrigerant is filled from the high-pressure side system and the engine is not starting (compressor stalled), do not unscrew the low-pressure manual valve on the manifold gauge to prevent hydraulic shock.

Refrigerant filling steps at the low pressure end:

1. First of all, connect the manifold pressure gauge with the compressor and the refrigeration tank.

2. Open the refrigerant tank, loosen the nut on the manifold pressure gauge of the middle injection hose until you hear the sound of refrigerant vapor flowing, and then tighten the nut to discharge the air injected into the hose.

3. Open the low-pressure manual valve to let the refrigerant enter the refrigeration system. When the pressure value of the system is reached, close the low-pressure manual valve.

4. Start the engine, turn on the air conditioner switch, and adjust the blower switch and temperature control switch to the maximum.

5. Open the manual valve on the manifold pressure gauge and let the refrigerant continue to enter the refrigeration system until the filling volume reaches the specified value.

6. After filling the specified amount of refrigerant into the system, observe from the sight glass, if there are no bubbles and no excess refrigerant, then adjust the engine speed to 2000r min, and turn the air volume of the blower to the highest gear. If the pressure on the low side of the system should be low, the pressure on the high side should be.

Drill digging skills: After the fluorine filling is completed, close the low-pressure manual valve on the manifold pressure gauge, close the injection valve installed on the refrigerant tank, stop the engine, remove the manifold pressure gauge from the compressor, and act quickly to avoid excessive refrigerant leakage.

If the throttle is broken, it may also be caused by the keyless entry system not detecting the smart key, the reason is, the battery of the vehicle key is too low, there are other interference nearby so that the signal cannot be detected, and there is a problem with the smart key control system, which may be a problem with the antenna or control module!

First check whether the key power is normal, and then check if there are other interference sources, if they are normal, it may be that there is a problem with the vehicle's smart key control module and antenna.

The so-called "dead file" refers to the candidate's file can not participate in the file, in previous years, there are generally two reasons: one is due to "disobedience" and can not be adjusted, and the other is due to voluntary reasons can not participate in the file. For example, there is a candidate who scored 478 points, and the first volunteer of the junior college filled in the two majors of computer network technology and multi-** design and production in a college in Beijing, and the other majors did not obey.

Because the admission score of these two majors in this institution is higher than 478 points, the school only wants to admit this candidate to help him adjust the major, but because the candidate does not obey the adjustment, his file has become a "dead file". There are also a considerable number of candidates who cannot submit the file because of the problem they fill in. For example, the candidate's first choice is too high and does not obey the adjustment, and there is no gradient for other volunteers, resulting in the candidate's score not being enough to apply for the submission line of the institution to which he or she is applying, so he cannot be released.

However, this year, the new "dead file" phenomenon is caused by the fact that after the candidate is admitted, he or she withdraws from the file. Because of the implementation of parallel volunteering this year, the phenomenon of dead files has been greatly reduced, except for candidates who apply for withdrawal, only when all your volunteers are filled in too high will there be dead files. Therefore, whether your file will be dead depends on whether your 3 preferences can meet the admission requirements of the school.

In this case, it is very likely that there is excessive wear on the inside of the gearbox, or excessive wear on the clutch system. It is recommended to go to an auto repair shop

According to your above description, it is easy for the hot car to stall the fault, and the following reasons are generally for this model:

1. Ignition coil (and poor power supply hall) failure;

2. Failure of the speed sensor and engine control unit;

3. There is a fault in the fuel supply system.