What does the housing do in an alternator?
An alternator has an outer metal casing that houses the stator and rotor, diodes, voltage regulator, and cooling fan. Stator and Rotor are magnets that rotate to create the alternating current for transforming energy into electricity. Diodes transform alternating current into the direct current to charge the battery.
What size socket do I need to change an alternator?
The alternator takes an E14 socket. Most tensioners have a 17mm hex under the belt, at about 7 o’clock looking straight at the tensioner pulley, so you can use a lug wrench.
Do you need a torque wrench for an alternator?
No need for a torque wrench for a simple item like an alternator.
How much does alternator replacement cost?
Alternator Replacement Cost – RepairPal Estimate. Labor costs are estimated between $120 and $152 while parts are priced between $448 and $585. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location. Related repairs may also be needed.
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.
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.
Where can I find the alternator regulator plug?
Both the regulator and its three-pronged plug can simply be left in the engine compartment to retain the appearance of originality. A very minor adaptation is needed to connect the D+ line from the dashboard warning light to the back of the new alternator. D+, as I said, is one of the three wires in the three-prong connector.
What kind of wrench do you need to replace an alternator?
Unscrew the bolt holding it in place and pull it from where it’s connected. The bolts will likely require standard sized sockets or wrenches in American made vehicles, and metric in most foreign applications. The only other cable running to the alternator connects to a harness, so it will be easy to identify.