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How to replace a starter motor?

How to replace a starter motor?

The starter is an electric motor used to start an internal combustion engine. It is a key element in starting your vehicle. This device is energized when you turn the key in your vehicle's ignition. If your engine has trouble starting or doesn't respond when you turn the key in the ignition, your starter may be faulty.

Aside from its accessibility, which can be problematic, replacing the starter is within the reach of a good do-it-yourselfer, provided you follow a few simple instructions.

Why replace a starter?

A faulty starter can no longer start your vehicle.

When should a starter be replaced?

There are many reasons why a starter may fail:

  • - Nothing happens when you turn the key. This means that the starter is not receiving power. The problem may be in the solenoid or the wiring. If this is the case, simply replace the faulty part.
  • - Your engine won't start and the starter makes a clicking noise when you turn the key. This is probably due to worn brushes (or carbon brushes). These are the parts that power the electric motor. To fix the problem, you'll need to replace the worn brushes.
  • - The starter is running in a vacuum. This is caused by the pinion. Either it doesn't reach the flywheel (this can happen, for example, if it's badly lubricated), or it doesn't manage to fit on the flywheel, for example, if the teeth are damaged.
  • Your vehicle starts, but there is a metallic sound for a few seconds. This probably means that the starter pinion is still engaged with the flywheel when it should be disengaged. If you notice this, have the starter checked by a professional as soon as possible. The longer the sprocket remains attached to the flywheel, the greater the risk of damage to the starter.
  • When you start your vehicle, the engine idles. This may be due to a battery problem or worn brushes.

How to change a starter?

Step 1: Disconnect the battery

To avoid any electrical hazard, you must disconnect your battery's positive (+) terminal, as this is what circulates current through all of your vehicle's systems. To do this, lift the plastic cover that protects the clamp. Then lift the terminal and loosen the surrounding nut with a wrench. This will allow you to remove the cable connected to the positive terminal.

Step 2: Locate Your Starter

The starter is a device that, on most vehicle models, doesn't require you to remove any other parts to access it. It's usually located near the top of your engine compartment.

Step 3: Remove the mounting screws

Start by removing the least accessible one, followed by the other two. Next, disconnect the wires from the starter, noting their exact location and color.

Step 4: Remove the starter motor

You can remove the starter if there's enough room to do so without hitting other parts. On some vehicles, you'll need to remove the universal joint and several exhaust-related parts to remove the starter.

Step 5: Install New Starter

You are now ready to install the new starter into your car. It's important to reconnect the wires to their original positions and colors. You can then reconnect the positive terminal to your battery and start your vehicle to test the operation of your starter and engine.

Starter Prices

Depending on the problem, you should expect to pay at least $100 to $150 to replace and install a new starter. Replacing parts inside the starter (such as the solenoid or brushes) will cost you less than $100, including labor.

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