How do I loosen the bolts on my alternator?
Loosen the bolts on the alternator if there is no auto-tensioner. In cars without an auto-tensioner pulley, you can relieve the tension on the belt simply by loosening the two bolts that secure the alternator to the engine. These will often require a 14mm or 1⁄2 inch (1.3 cm) socket, though you may need to try others.
What should I do if my alternator is bad?
Loosen the belt tensioner that is near the alternator. This will allow slack in the belt so that both it and the alternator can be removed safely. Remove the serpentine belt. Loosen connecting bolts and remove the alternator. Refit the new alternator in place of the old one and reinstall any screws removed in the process.
Do you need to remove serpentine belt to change alternator?
As you loosen the bolts, the alternator will slide in the bracket under the tension of the belt. You may not need to remove the serpentine or accessory belt if it’s not damaged.
How do you install a new alternator in a car?
Installing the New Alternator Slide the new alternator into place. You might have to wiggle the alternator around to squeeze it back into place in a crowded engine bay. Insert the mounting bolts. Slide the mounting bolts through the alternator and into the mounting bracket. Run the belt over the new alternator pulley.
Loosen the bolts on the alternator if there is no auto-tensioner. In cars without an auto-tensioner pulley, you can relieve the tension on the belt simply by loosening the two bolts that secure the alternator to the engine. These will often require a 14mm or 1⁄2 inch (1.3 cm) socket, though you may need to try others.
How is the alternator attached to the engine?
The alternator is attached to the engine through the use of one main bolt that you must remove. With the bolt gone, rock the alternator away from the belt and lift clean from the car. With the alternator free from the engine, you can disconnect the wires that run back to the battery to charge it.
As you loosen the bolts, the alternator will slide in the bracket under the tension of the belt. You may not need to remove the serpentine or accessory belt if it’s not damaged.
Where is the insert jack on an alternator?
Insert jack stands beneath the vehicle for safety once it’s jacked up. Remove the main power cable from the alternator. The main power cable will be the thick cable attached to the alternator that runs from the battery.