Self-repair and replacement of the Nissan Qashqai stove in a garage

A small but quite cozy crossover from Nissan has gained considerable popularity in Russia, and this is justified. Compact in appearance, the car has considerable spaciousness, allowing you to fit comfortably into the cabin. An additional advantage can be considered low fuel consumption - in this Qashqai can be compared to a hatchback.

The first generation Nissan Qashqai J10 has been produced since 2006. In 2010, a restyling was carried out, after which the interior was significantly changed, several new engine and gearbox options were added.

Low fuel consumption is beneficial and pleasant, if you do not take into account the impact of such savings on interior heating. In the 2008 Nissan Qashqai, coolant takes heat from the engine and uses it to heat the air, which is sent inside the car. But if the engine operates with a certain fuel starvation, then its operating temperature is low, and therefore it is not able to fully warm up the car.

Owners of the first generation Nissan Qashqai faced exactly this problem. In addition to the fact that customer reviews indicate frequent breakdowns of the heater motor, even without any defects it barely warmed up the interior.

After restyling, the situation changed for the better. Even though the parts of the heating system have not become better or more durable, the interior of the Qashqai has become warmer and more comfortable.

The second generation of the 2014 Nissan Qashqai J11 (restyling in 2017) came out with major changes and no longer has such problems. The heating system has been redesigned, so now the owners of this car do not have to freeze. By warming up a new car (no older than 2012) for 10-15 minutes, you can create quite comfortable conditions in the cabin, even if there is a specific minus outside.

Replacing the stove motor

The Achilles heel of the first generation Nissan Qashqai is the heater motor. The main problems that arise with it:

1. Brushes and lamellas quickly wear out, and the winding burns. In this case, the stove stops “blowing”. If this is the problem, you can try to repair the motor.
2. Failure of the transistors leads to the fact that the speed of the motor is not regulated. In this case, the transistors have to be changed.
3. An extraneous hum or creaking noise during operation of the stove warns of an imminent replacement of the motor. The bushing wears out quite quickly, which causes suspicious sounds. Many people try to replace it with a bearing, but this is not the best idea: it will take a lot of time, and the result will still not be quiet operation.

Low flow rate or rapid loss of coolant may be associated not with the stove itself, but with the radiator or pipes. Before disassembling the stove, it is necessary to check the integrity of these elements. It may be necessary not to repair the electric motor, but to replace the heater radiator or broken hoses.

A clogged cabin filter may also be the culprit for poor heating of the cabin; before buying new parts for the stove, it is recommended to first replace the filter. Perhaps this will completely solve the problem.

Replacing a Nissan Qashqai heater motor is not the easiest procedure, so most Qashqai owners prefer to go to a service station, despite how much quality costs. The average cost of work will be 2000 rubles, to which the cost of the motor is added - 4000-6000 rubles. If you need to replace the transistor, you can buy a new one for 100-200 rubles.

If new spare parts are available, replacing the stove motor by professionals will take 3-4 hours. self-repair with skillful hands with all the necessary tools - twice as much. If you have never had to do this kind of work before, but you have a tool, a broken stove and a desire to fix it, you will have to spend at least two days on the problem. But next time it will definitely be faster and easier.

A motor for a stove is a spare part that is better to buy new rather than used, and you won’t have to look for it for a long time. The fact is that the motors on the Nissan Qashqai and X-Trail are absolutely identical.

Numbers of the original heater motor for Nissan Qashqai:

• 27225-ET00A;
• 272250ET10A;
• 27225-ET10B;
• 27225-JD00A;
• 27225-ET00B.

Numbers of the original heater motor for Nissan X-Trail:

• 27225-EN000;
• 27225-EN00B.

You can safely buy a motor with any of these numbers; it will be suitable for replacement.

How to change a stove motor with your own hands

Before you replace or repair the motor, you need to make sure that the problem is not a blown fuse.

List of tools required to replace a heater motor with your own hands:

• ratchet with extension;
• a T20 Torx screwdriver for it;
• heads for 10 and 13 or wrenches of the same size (but more convenient than heads);
• pliers;
• flat and Phillips screwdrivers;
• clip removers

Step-by-step work process:

1. The car is de-energized (first the negative terminal is removed, then the positive terminal).
2. The cable for opening the hood is disconnected.
3. The following are removed sequentially: the left side part of the dashboard and the lower part of the panel under the steering wheel - all with rivets, the location of which is best determined in advance.
4. The climate sensors and the connector from the left button block are disconnected.
5. We find the upper chamber of the intake damper and remove the clamp from it that secures the wiring.
6. The pedal assembly is removed (before this, the connector is removed from the brake and gas pedal ends).
7. After this, the cabin filter housing snaps off.
8. The power connector is disconnected from the motor, which is turned counterclockwise and removed.

After the motor is removed, it must be cleaned of debris and dirt and the winding and brushes inspected. If it is impossible to restore the functionality of the old heater motor, the new one is installed in the same place in the reverse order.

The heater fan is replaced after the electric motor is disconnected, removed and cleaned.

Replacing the heater fan

Constant fan speed, unusual squeaks and lack of air flow after turning on the heating may indicate problems with the fan. This does not necessarily mean that the furnace fan will need to be replaced unless the physical integrity is compromised.

The heater motor for Nissan Qashqai is sold complete with impeller and housing. In a Nissan Qashqai, replacing the heater fan is possible, but not rational - if the impeller is damaged or even slightly bent, the heater will make a strong noise and will fail quite quickly, and it is almost impossible to carry out balancing on your own.

The breakdown may concern a transistor in the speed controller or an overheated resistor - if it burns out, it is replaced with a new one.

Numbers of suitable transistors:

• IRFP250N – low quality;
• IRFP064N – high quality;
• IRFP048 – medium quality;
• IRFP064NPFB – high quality;
• IRFP054 – medium quality;
• IRFP044 – medium quality.

What kind of motor can be installed on the Nissan Qashqai stove?

For a novice driver, the issue of purchasing new parts can cause many difficulties. To prevent this from happening, we have prepared a small guide that will allow you to buy the necessary part to replace the faulty one. Motor prices in retail automobile stores are in the range of 3-4 thousand rubles. If you take a used part, you can save up to half of this amount, but no one will guarantee long-term operation. Here everyone makes a choice at their own peril and risk. The heater motor is sold together with the impeller and housing. By the way, if you haven’t found a part for your car, you can buy a motor for the X-Trail stove, since they are identical. If you replace the transistor, you can choose from several options. First of all, you need to look for IRFP064N (55V and 98A) and IRFP064NPFB (55V and 98A). The second option is a modification. If these parts are not available, then you can buy IRFP044 (60V, 57A), IRFP054 (60V, 70A) and IRFP048 (60V, 70A). But you shouldn’t even look at the IRFP250N (200V, 30A), since this transistor can burn out within a day. The transistor will cost from 100 to 200 rubles.

Removing the heating system motor

It doesn’t matter whether the heater motor is replaced or repaired, in any case it will be necessary to dismantle this mechanism. The faulty part must be removed as follows:

• remove the minus from the battery;
• We dismantle the left panel of the console and remove the bottom panel, which is located under the steering wheel;
• disconnect the connectors from the left button block and unscrew the T20 Torx from the climate sensor;
• lie on your back to unscrew the two bolts that hold the pedal assembly;
• We dismantle the bracket, which will allow us to remove the pin;
• disconnect the connectors from the brake pedal and accelerator sensor, which will allow you to dismantle the pedal assembly;
• Now you can remove the cabin filter by first removing the cover, which is held in place by latches;
• armed with a flashlight, we get closer to the stove motor;
• disconnect the power, feel for the latch, squeeze it and turn the mechanism against the movement of the clock hand.

The heating system engine has been removed; then a new mechanism can be installed or the old one can be repaired.

Motor repair

Depending on the damage, the motor is either repaired or completely replaced. It happens that repairs are possible, but not rational: even though a used motor at disassembly will cost much less than a new one in a store, purchasing individual parts can be quite expensive, if they can be found at all. In such cases, the stove motor is completely changed.

In any case, the condition of the heater motor is assessed after removing it and cleaning it from dust that accumulates both on the body and under it.

Before starting repairs, you need to check:

• condition of the bushing (or bearing);
• presence of fan damage;
• wiring condition;
• checking the resistance on the winding (both rotor and stator);
• checking the condition of the brush assembly.

At the same time, the air ducts are cleaned, the functionality of dampers, switches and all components is checked.

Instructions

To assess the condition of the motor and important components, you need to remove the impeller - for this you will need an 8-mm wrench - and carefully remove the motor from the housing. In this case, mandatory dust removal is carried out. Checking and replacing brushes on a Nissan Qashqai will require removing the brush holder plate.

1. A broken fan is not repaired, but replaced with a new one.
2. Worn brushes can be replaced, although this is a labor-intensive process best left to the professionals.
3. If the rotor (armature) on which the brushes move is worn out, you will have to change the entire motor; repairing the old one is useless.
4. A burnt winding also ends with a complete replacement of the stove motor.
5. If it is necessary to replace the bearing, the antennae are unbent and a new part is installed. Suitable articles: SNR608EE and SNR608ZZ.

It is quite possible to repair the electric heater motor on a Nissan Qashqai yourself. Like replacing the heater motor, this is a painstaking and not easy task. Maybe you won’t be able to do everything right the first time, but your eyes are afraid, but your hands are doing the work, the main thing is not to give up.

Symptoms of malfunctions

Before you take on the interior heater of your Nissan Qashqai, we recommend that you carry out simple monitoring of the system’s condition. It is highly likely that you will have to prepare to replace the heating unit if the following symptoms appear in the cabin:

• there is no reaction of the system to the driver’s adjustments of the fan speed;
• the air does not warm up even when turned on for a long time;
• During operation, creaks and whistles associated with the stove are heard.

Sometimes the motor starts and rotates only at 4th speed. This is a clear sign that a burnt-out rotation speed resistor needs to be replaced. Designers place it next to the electric motor. Reasons forcing you to replace or repair the heater in the cabin:

• Several options can save you from complete loss of functionality of the heating system. The most likely event leading to this is abrasion of the lamellas or brushes, or perhaps burnout of the winding turns. There is no way to do this without replacing the electric motor. The transistor may also burn out, which we unsolder and replace with a new one. Lack of full functionality is the result of a broken thermal fuse installed in the resistor block.
• Only replacing the transistor helps to restore the ability to adjust the rotation speed. Other options won't work.
• Extraneous noise occurs due to worn bushings. Instead of rolling bearings, to simplify the design, manufacturers install plain bearings made of copper-containing alloys, which wear out more intensively. As a result, whistling sounds appear during unit operation. It is necessary to clean the chips or replace the bushings or motor.

Knowledge of the structure of the Nissan Qashqai stove (Nissan Qashqai) helps in repair work. It is connected to the air conditioning system and includes the following elements:

• engine assembly;
• air conditioning filters;
• rubber bushings of the exhaust pipe;
• heater tube seal;
• filter cover;
• mixing valve lever;
• damper motor;
• electric heater;
• flap;
• incoming air temperature sensor.

The layout is practically independent of the car model. This helps you quickly navigate the structure while working.