Can you disconnect an alternator?
If your alternator is malfunctioning by over-charging your battery, disconnecting it may allow the alternator to provide an even higher voltage to the car electronics, and potentially damage those sensitive components.
Which Subaru gets the best fuel economy?
The most fuel-efficient Subaru on the market is the 2021 Subaru Impreza, which can return up to 36 highway mpg. Or, if you have your heart set on a Subaru hybrid, check out the 2020 Crosstrek Hybrid, as it boasts a 90 MPGe rating and 480-mile total driving range.
How can you tell alternator is bad by disconnecting battery?
First, open the hood and start the engine. Remove the negative battery cable with the engine running. The alternator is likely to be damaged if the car stalls or stalls. This is because the alternator does not produce enough electricity to keep the engine running on its own.
What happens to the alternator in a Subaru Outback?
The alternator in your Subaru Outback is the heart of the charging system. Without it, the battery would quickly run out of power and the engine would stall.
What should the battery voltage be in a Subaru Outback?
It should be above 12.3 volts with the engine off and the ignition key in the “Off” position. If the battery voltage is less than 12.3 volts, charge the battery before testing the alternator. A discharged battery may cause the alternator in your Subaru to overcharge and may be a possible cause for alternator failure.
What should the voltage be on a Subaru alternator?
If there is no voltage at the alternator, check the charging system fuse in the under-hood fuse block. Reconnect the positive DVOM lead to the positive battery terminal and start the engine. The voltage should now read above 13.5 volts.
Where is the charging post on a Subaru Outback?
The charging post is the metal screw that the large wire is bolted to on the back of the alternator. The voltage reading on the DVOM should be the same as that on the battery. If there is no voltage at the alternator, check the charging system fuse in the under-hood fuse block.