If your car battery has been failing to charge recently, and you feel like your alternator needs to be replaced soon, you do not have to worry about repair and expenses. An alternator brush can take care of the job just right-less the hassle and the price. Installing a new brush will also extend the life of your car's alternator. Here's how we replaced the alternator brush in a Toyota 4x4:
Difficulty level: Moderate
Tools that you'll need:
- Metric sockets
- Screwdriver set
- Replacement alternator brush
Step 1: To avoid electrical discharge, disconnect the negative battery terminal. You can now remove spark plug wires and the distributor cap to give you a better view of your car's alternator.
Step 2: Remove the wire covered with the 90 degree boot from the alternator. Next, detach the larger wire at the back of the alternator by pulling it away. You will notice a wire harness and a plastic clip on the underside of the body of the alternator. Remove it as well as the plastic clip that holds the wire.
Step 3: Loosen the 12 mm lower adjusting bolt and remove the belt from the pulley. Now, unbolt the upper pivot bolt with a 14 mm socket. Now, you can detach the alternator from your car.
Step 4: Remove the mounting hardware from the positive battery terminal on the alternator. To expose the brush holder and the rubber boot, unbolt the three 8 mm bolts at the back cover of the alternator's housing.
Step 5: Pull the rubber boot off and check the worn-out brushes. Replace it with the new brushes and reassemble. Also replace the bolts that you have removed. You can now return the alternator to its place. Reinstall the two hoses on the air box. Reconnect the battery and test-drive your vehicle.
In two hours or less, your alternator is as good as new. You don't have to worry about your battery being discharged. With a simple auto repair, you have saved your battery, your alternator, and your money wisely.