How to change the starter on a car? (2022)

10 Min Read
How to change the starter on a car

A vehicle’s starter motor is one of its most essential components. Both diesel and gasoline engines cannot start from a wholly halted position.

This occurs because the fuel contained within the engine is first enriched with oxygen that has been aspirated and then compressed before it is allowed to ignite.

A starter motor is required because the engine must be started for this process to begin. Problems can quickly arise, though, if this is not functioning correctly.

How to change the starter on a car

The workings of a starter motor

The starter motor or the stator is the component in charge of turning on the engine when it is cold.

It is necessary to assist the combustion engine of a vehicle to conquer the existing mass inertia and the frictional and compressive resistances. The stator is what’s used for this particular purpose.

This electric motor is driven directly by the car battery, which turns on what is known as the “flywheel.”

The stator’s job is to turn the engine over at a rate of approximately 300 revolutions per minute once it has been started.

This is enough to get the engine started, and it will allow the process that comes next to run by itself automatically.

The stator will stop working as soon as the engine has started and is therefore operating independently.

In theory, starter motors do not require any regular maintenance. They are among the most reliable components that can be found in a vehicle. On the other hand, they are not immune to having flaws.

These symptoms point to a problem with the starter motor

A few signs can be used to determine whether or not the starter motor is functioning correctly.

To be able to respond promptly, it is essential to pay attention to these symptoms at an early stage.

If there is a complete problem with the starter, the vehicle will no longer be able to start.

The following are the three symptoms that are considered to be the most significant:

– A piercing screech immediately following the ignition of the engine
A stator that spins at a slower rate than is typical
– An unsuccessful start despite a full battery

When you are having trouble getting started, please pay particular attention to them and strong.

Most of the time, this is the reason why the car will not start. It is always a good idea to replace the battery, as doing so is less complicated and more affordable than the alternative.

If you have replaced the battery in the vehicle but cannot get it to start, the issue is almost certainly with the starter motor.

In such a scenario, the vehicle’s functionality requires immediate replacement to continue to be used.

However, before proceeding with this step, you should try to eliminate as many other potential sources of error as possible.

Other potential sources of error

Not only the battery but also the line that supplies power to the building. It also plays a significant part in the story.

The starter motor can become inoperable, and other issues can arise if a wire has a problem.

If it is possible to do so, measure the corresponding cables to rule out the possibility of any errors or breaks.

Additionally, the flywheel in the starter can become worn over time. This helps to generate the necessary rotation so that the process can begin.

If, on the other hand, the flywheels are no longer holding their position, the stator will rotate, and the engine will not be able to be started.

In such a scenario, it is unnecessary to replace it entirely; instead, only the flywheel needs to be changed.

Even though it requires more effort, this option is significantly less expensive. In any event, doing so will prevent you from having to pay for the purchase of an entirely new starter motor.

Where should I change the starter motor: my garage or the workshop?

  • When the motor needs to be worked on, it is generally advised to take it to a specialized workshop for the work to be done.
  • Nevertheless, the make and model of the vehicle are two significant factors that determine how the starter motor should be replaced.

Especially in today’s automobiles: they are frequently tricky to locate and can be challenging to get to.

An inexperienced mechanic could very quickly become disoriented amidst all of the protective covers and covers.

On the other hand, changing out the starter motor in older cars does not pose much of a challenge in most cases.

In this scenario, the engine compartment can typically replace the choke directly from the top of the vehicle.

In an ideal scenario, you should first determine whether or not you are confident in your abilities to perform the starter motor replacement at home and then proceed to get an idea of where the starter motor is located within your vehicle.

Tools you need

You will require a few different tools to change your starter motor. There is a possibility that these will vary depending on the vehicle you are using, but using this list will put you in a better position.

You will require the following items to complete the replacement:

– Various spanners and wrenches
– A collection of different screwdrivers
– A collection of screwdrivers with Torx heads
– A multimeter

You can get started on the replacement now that you have these tools.

How to Replace the Starter Motor in Detailed Steps

To replace the starter motor, it is necessary to carry out the following steps:

– You’ll need to look in the engine compartment for the choke.

– Raise the car on jack stands if you need to access the starter motor.

– The negative battery post should be disconnected and set to the side.

– Take careful note of the specific cables connected to the starter motor.

– Loosen the screws that hold the stator in place. Begin by removing the screw that is the most difficult to reach. Now disconnect all of the different cables. Take another look at the colors, and pay attention to the connections.

– Take the starter motor out of the car now. Depending on the vehicle’s make and model, it may be necessary to remove additional components, such as the drive shaft or parts of the exhaust system.

– Contrast the starter motor after disassembling with the new component.

– Make sure the flywheel and its teeth are in working order.

– You can now screw the new starter motor into place.

– Screw the screws in more tightly

– Hook up the cables to the starter motor

– Make sure the battery is properly connected

– Make sure the new starter motor works properly.

Blunders that you should stop making at all costs

Even though putting together a starter motor or replacing one might not seem like it would be that difficult, you should not take either of these tasks lightly.

Because of this, you must avoid making several significant errors in any scenario.
This includes everything from keeping the battery connected at all times.

Another standard error that can result in the new starter motor being damaged is getting the various cables confused.

For this reason, check to see if the cables are connected at the appropriate points.

If you consider all of these suggestions, replacing the starter motor will not be a challenge for you. You should budget somewhere between half an hour and two hours for the task, with the actual time needed depending on the kind of vehicle and building involved.

Proceed in an even-keeled and unruffled manner so that the adjustment won’t even be noticeable to an outsider.

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