What do you need to replace an alternator?
What tools are needed to replace an alternator
- Socket and ratchet set.
- Wrench set.
- Belt tensioner tool.
- Safety gear.
- Memory saver, if needed.
- New alternator.
Do I need to disconnect battery to change alternator?
Disconnect the battery. Never work in the engine bay of a vehicle without first disconnecting the battery for safety. Working on the alternator without disconnecting the battery could result in getting shocked or damaging the vehicle. You can leave the positive cable attached.
What’s the best way to replace an alternator?
There’s a 90-degree twist in the middle of the Cross Force wrenches, so you end up pushing on a flat surface. The result: we could push harder without discomfort. So we just laid into it and the belt came free. Once the belt is off just remove whatever bolts connect the alternator to the bracket and you’re good to go.
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.
What should the voltage of an alternator be?
Start your engine and read the digital multi-meter’s output. The voltage should rise near 13.5-14.5 volts. Using an open end wrench, disconnect the battery’s negative cable. Disconnect the power and ground wires on the back of the alternator paying close attention to where each wire connects.
What should be the deflection between the drive belt and alternator?
Vehicles with a manual tensioner or the belt tightens with the alternator, there should about ½ inch of deflection in the belt between the pulleys with the greatest distance between them. Once the alternator, drive belt, and electrical connections are reinstalled, scan the work area and make sure nothing has been overlooked.