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Category: Do-it-yourself repairs
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Car owner criticism: Reliability. Dynamics. Originality.
Initially, a Chevrolet Niva is equipped with a central lock that can remotely control opening. For this purpose, each of the 5 doors has a special device - an actuator. It is responsible for removing the lock when receiving a signal from the alarm system.
But in practice, most problems with opening the rear door are not at all related to the operation of electronic components.
In 95% of cases the problem is related to mechanical parts. This can be either the lock itself or the rods located inside. In some cases, this may be due to the fact that the Chevrolet Niva door seal freezes on a recently washed car. But in this case it is easy to determine the source of the problem, so further we will consider situations in which the problem mainly arises with the operation of the lock.
The traction is broken.
Basically, the rod can bend if it was assembled incorrectly. The problem can also appear if the car is often used in off-road conditions and dirt gets into the cavity. This can happen if the plastic film peels off from the door frame. In this case, dust may accumulate inside it.
During movement, dust settles not only at the bottom of the cavity, but also on all components, including the levers. After the car gets caught in the rain or washed, all the dust turns into dirt, firmly settling on the insides. As it accumulates, it leads to a decrease in the lock stroke, and at the moment when the passenger tries to open the door, great efforts have to be made. Because of this, the rod begins to bend over time. And at some point its progress is not enough to unlock it. Even after it is straightened, the integrity of the system will already be compromised and components will need to be replaced.
In this situation, complete replacement of the door lock components, or dismantling, lubricating all components and cleaning the lock can help. This must be done as early as possible, even if the slightest problem arises, so that the Niva Chevrolet door handle does not become completely blocked.
The rear door device is quite simple and does not contain complex mechanisms. The lock used is the same as on most AvtoVAZ models. The only difference is that its locking and unlocking is actuated by an actuator. Sometimes they fail and then it becomes necessary to open them manually.
Diagnostics of the front door lock rod
The door trim on a Niva Chevrolet is nothing more than a special plastic element that hides the entire interior of the doors, along with rods, window lifters and other elements of the car. And besides this, it protects from extraneous noise.
Procedure for dismantling door trim
At first glance, it may seem that dismantling the door trim is a rather complicated task, but having sufficient information, it becomes clear that this is not the case, you just need to be quite careful and be careful when carrying out such work.
In order to dismantle the casing, the following procedure must be followed:
- In total, there are eight fixation bolts on one Niva Chevrolet door, and some of them are hidden behind decorative plugs.
The presence of all bolts is indicated by arrows.
The door did not open due to the pull of the lock. The photo shows the old and new rods.
In addition to working with the central locking, you can diagnose or install new audio elements, soundproof the doors and the trim itself.
Spring failure.
Basically, the problem of lock failure lies in the fact that the tendrils of the spring break off, which loads the rear door lock lever. This occurs due to the use of low-quality steel in the production of the part or violations of operating conditions. In any case, such a breakdown leads to the fact that one of the lock levers begins to move in a random direction and it is impossible to predict whether the lock will open at the moment or not. There are even situations when the rear door lock of a Niva Chevrolet can open while driving. Therefore, you should not wait for unpleasant situations to arise and carry out repairs immediately if any problems arise with the lock.
What could be the reason that the door does not open?
The Chevrolet Niva is equipped with a central lock, so each door has an additional device - an actuator. It is responsible for blocking the door lock when a signal is received from the central locking system. But in most cases this is not the cause of failure. If the door of a Niva Chevrolet Niva does not open, then in about 85% the problem lies in damage to the rods or lock. In winter, the door may freeze to the body due to the formation of condensation on the seal or moisture ingress after washing. But these cases are not a breakdown and go away on their own over time.
Castle repair.
Before starting repairs, the door trim on the Niva Chevrolet must be removed. The door card can be removed even after the door is completely locked.
- After this, the window lifter handle is removed. To do this, use a flat-head screwdriver to bend it and pull the latch up.
- The decorative cover of the handle is removed. It is held on by latches; to disconnect it, you only need to pull it towards yourself with force, after prying it off with a flat-head screwdriver.
- The door card itself is held on pistons in the center, top and bottom of the door. They can also be snapped off by prying them off with a screwdriver.
Unlocking the lock.
To open a locked door, you need to pull the plastic tongue of the actuator. You can also move the lock latch itself. After it is unlocked, you can remove the lock, but you must disconnect the battery terminals. The lock itself is held in place with screws at the end.
After they are unscrewed, you need to use a screwdriver to disconnect the rods and disconnect the terminals. Then you can pull the lock out of the case. Once it is pulled out, it is much easier to carry out an external inspection to determine the exact cause of the problem. If in doubt, it is better to immediately replace the part with a new one that will definitely be in working order.
Back door to the field
Why doesn't the back door of a Niva Chevrolet open?
The Chevrolet Niva is equipped with a standard central lock; therefore, each of the five doors has an actuator that unlocks the lock when the central device is activated.
However, as practice shows, electronics are not at all involved in problems with locks.
In 99% of cases, the problem is still in the mechanics, either in the lock itself, or in damage to the rods. We will not consider cases where the door freezes to the body; this is an exception, but most often the owners are let down by the lock.
Broken lock rod (rod is bent)
The rear door lock rod is marked with an arrow.
There are often cases when the lock rods bend not due to improper assembly (although this is possible), but due to the banal entry of dirt into the door cavity.
It all happens something like this: the protective polyethylene film can peel off from the door frame in some places, and because of this, dust gets into the door cavity. Everything would be fine, but dust accumulates not only at the bottom of the cavity, but also on the levers of the lock itself. One fine moment we go to the car wash or get caught in a heavy downpour, the dust turns into dirt and limits the working strokes of the lock.
The window is Niva’s weak point
On many automobile forums dedicated to the Niva car, you can read information that their owners are periodically bothered by rear windows that randomly drop down. Of course, they do not open completely, but only a couple of centimeters, but sometimes this is quite enough.
If you delve into the design of the car, you will learn that the front windows are opened using an electric drive, but the rear windows are just the opposite - using a manual drive. This is their main weakness. When the rear windows shake well during a trip, they will definitely open a little.
When the car is just standing, you should constantly rock them up and down. Using similar maneuvers, we open the glass for ten to twenty minutes. During this time, as a rule, you will be able to move the glass down about ten centimeters, and this will allow you to stick your hand into the interior and lift the flag yourself. At this stage, you can finish the review of ways to open a Niva without a key, but we bring to your attention a few more interesting options:
- using a tennis ball;
- wires;
- using a loop of regular rope.
Also interesting: How to change the oil in a VAZ 2121 Niva engine
Details about each of these methods
Obviously, you can watch videos on the Internet where professional car enthusiasts perform these procedures, showing everything by their own example. However, it is also worth paying attention to such a moment as what to do so that such situations do not occur at all. After all, it is better that you always have a backup option. Why solve problems if they can be eliminated altogether?
Details about each of these methods
Removing the rear door lock on a Chevrolet Niva for repairs
You will have to remove the rear door trim.
Even if the door no longer opens, you can easily get to the lock and unlock it, and then remove it and repair it. This is done like this:
- The rear door door card is removed even when the door is locked. First, unscrew the two screws from the bottom of the door card.
- Remove the window handle by bending the handle with a flat screwdriver and pulling the latch upward.
- Unscrew the screw securing the decorative trim under the door handle, pulling the handle towards you.
- The door card is held on by six pistons - two at the bottom, two at the center and two at the top. They snap off if you pry them with a long screwdriver. The door card can now be removed.
The decorative card has been removed.
Video about removing the lock on a Niva Chevrolet
Opening the door
The lock can be unlocked by pulling the plastic tab of the actuator or another lever; using a long screwdriver, you can move the lock latch itself.
When the door has opened, you can remove the lock, but before that you need to remove the negative terminal from the battery. The lock is held on by fastening screws at the end of the door.
Trunk door lock.
After removing them with a long screwdriver, you need to remove the drive rods, disconnect the terminal blocks and remove the lock from the door cavity along with the actuator. After this, when the lock is in hand, the reason will become visible. In extreme cases, the lock can be replaced. Good luck to everyone and obedient locks!
Trying to open the door with the handle, we make more and more effort, as a result of which the rod bends.
how to open the trunk of a Chevrolet Niva
Focus on the features of the selected trunk. The assortment is more than extensive. Therefore, read reviews about luggage racks, take into account all their strengths and weaknesses; Proceed to fix the support cover.
> The four-door body of the Chevrolet Niva, in comparison with the Niva, looked like just a limousine. Design features…
I left the keys in the car and it locked.
The problem is already inside the castle itself.
First, I will tell you about another option for the trunk. It's like a trunk within a trunk that you access when you open the rear tailgate. Pockets for luggage compartments The most popular solution for improving the ergonomics of the luggage compartment of a Chevrolet Niva is the APS organizer.
This company has been producing components for more than 10 years.
In general, you can place a complete set in Niva, which will include: I advise you to watch a video about this set. You will see how it all looks and installs.
instructions: how to open the trunk in a Chevrolet Niva
You can decide for yourself whether it’s worth buying the whole set, or whether just one component is enough. If you already have a suitcase with tools or you recently bought a special organizer for your trunk, then just stop at the pocket. All this allows you to competently place a large number of small and medium-sized items.
The interior luggage space itself will not suffer from such upgrades. That is, you can easily load several bags of potatoes there, leaving room for all sorts of little things. Decide for yourself how much your shelf needs reinforcement or an organizer. In my opinion, a pocket on the back door is considered the best option. Yes, and you can attach it to ordinary self-tapping screws, use it for various purposes and transport what you need. The APS company produces pockets in three variations.
We open the back door, Niva Chevrolet
They differ in their design features and price, which is quite expected. Homemade trailer for a passenger car: It has an excellent design and boasts a washbasin function. There are no internal parts, except for the central niche for the bottle.
The front side is made of smooth plastic. The design is rigid, easy to install on the door, does not creak; Norm. Has front and internal parts. It is easy to clean from the inside; all contents inside the pocket will not affect the upholstery.
There is a washbasin function; Luxury A distinctive feature is the external decoration.
The lock rod is broken; the rod is bent. The rear door lock rod is marked with an arrow. There are often cases when the lock rods bend not due to improper assembly, although this is possible, but due to the banal entry of dirt into the door cavity.
Everything happens something like this: Everything would be fine, but dust accumulates not only at the bottom of the cavity, but also on the levers of the lock itself. One fine moment we go to the car wash or get caught in a heavy downpour, the dust turns into dirt and limits the working strokes of the lock.
Trying to open the door with the handle, we make more and more effort, as a result of which the rod bends. It bends until the central locking actuator simply does not have enough movement to unlock the door.
Even straightening the thrust, we will not achieve anything. The rear door is without trim. If you managed to unscrew these three screws immediately and without problems, then perhaps you should choose a career as a gynecologist. The cover must be removed very carefully, since the contents of the lock will try to fall out inside the door. However, then getting these spare parts from there is not very difficult.
It is more difficult to push them back into the lock. If you cannot remove the cover and you purchased a new lock, then you can break this cover with any available tools. Your task is to get to the coveted “square”.
In the photo it is located in the upper right corner of the lock between the plastic and L-shaped rods. You need to push this square with a screwdriver or some other piece of hardware; it’s unlikely that you’ll be able to reach it with your hands and the door will open. Now about the reasons for lock malfunctions.
How to open a Niva Chevrolet. Method number 1 (simple)
And I began to shake them, slightly moistened my fingers so that they would cling to the glass better; an option was rubber gloves. At first the movement was by millimeters, after about 5 minutes I was already able to open the rear window by 1 centimeter.
As a result, after 15 minutes the window opened by centimeters and I was able to stick my hand in and grab the latch with my fingers and pull it up. The car was open and there was no need to break the glass, call the special services and pay them money; according to some sources, they charge from up to or more rubles to open the car.
I hope my experience will help you. And please do not use it for black purposes.
Removing the limit switch from the Chevy Niva door lock
This way we remove the glass frame. Next, unscrew the filler plug and remove the neck trim of the tailgate glass washer reservoir. Carefully pry up the upholstery with a screwdriver and remove the pistons. During work there is a danger of damaging the painted surface.
There will not be a serious dent, but a scratch may still remain, so it is recommended to wrap the end of the screwdriver with insulating tape. The upholstery is put back in place in the reverse order.
If the pistons are damaged, they must be replaced with new ones. Let's move on to the tailgate lock drive.
The same screwdriver will come in handy during the process. The rear door door card is removed even when the door is locked. First, unscrew the two screws from the bottom of the door card. Remove the window handle by bending the handle with a flat screwdriver and pulling the latch upward.
Replacing the lock cylinder on a Chevrolet Niva
Unscrew the screw securing the decorative trim under the door handle, pulling the handle towards you. The door card is held on by six pistons - two at the bottom, two at the center and two at the top. They snap off if you pry them with a long screwdriver.
The door card can now be removed. Video about removing the lock on a Niva Chevrolet Opening the door The lock can be unlocked by pulling the plastic tongue of the actuator or another lever, using a long screwdriver, you can move the lock latch itself. When the door has opened, you can remove the lock, but before that you need to remove the negative terminal from the battery.
The lock is held on by fastening screws at the end of the door. After removing them with a long screwdriver, you need to remove the drive rods, disconnect the terminal blocks and remove the lock from the door cavity along with the actuator. After this, when the lock is in hand, the reason will become visible. In extreme cases, the lock can be replaced.
Replacing the clutch yourself
When the cause of the malfunction is identified, it will be necessary to carry out repairs and take measures to eliminate the breakdown.
If you do such work yourself, then this is a long process that will take a lot of time. And also all activities should be carried out according to the instructions.
Sequencing:
- Prepare a set of keys and a mandrel for centering the driven disk.
Mandrel for centering the driven disk.
We remove the gearbox.
We mark the relative positions of the disc casing and the flywheel.
We unscrew the six bolts securing the pressure plate to the flywheel.
Let's remove the pressure and driven discs and do a visual inspection.
We check the reliability of the damper springs.
We evaluate the condition of the pressure plate diaphragm spring.
When all these indicators are missing, then the disk can be left as old, changing only the release disk. Assembly is carried out in reverse order.
