Where is the alternator located on a Volkswagen Jetta?
You may need to replace the alternator of the Volkswagen Jetta because of faulty parts or because it has worn out. The Volkswagen Jetta alternator is located on the front passenger side of the motor near the top. Replacing the alternator is a job that can be done in less than an hour.
What should a mechanic do before replacing an alternator?
The mechanic should check the entire charging system before installing a new alternator, including checking battery cables for corrosion and the condition of the battery. Inspect entire charging system (battery, cables, alternator). Inspect the drive belts. Test alternator output. Remove and replace alternator if found to be faulty.
Where is the alternator located in a car?
The alternator is the component that charges the battery in your car. When you use electrical components in your car (stereo, lights, etc.), the battery loses power. The alternator recharges the battery, replenishing the lost battery power. The alternator is located in the engine compartment.
What happens if your alternator fails while driving?
If the alternator fails, the dashboard battery warning light will turn on while you drive. Soon after, all electrical components will begin to lose power, the vehicle will stall, and a jump start won’t work. If the alternator’s bearing fails, it can cause a grinding noise that changes with engine speed.
How do you remove serpentine belt tensioner from VW Jetta?
Refer to the Serpentine Belt Tensioner removal video. Remove the two bolts from the alternator. Now that the bolts are out, pull the alternator off the bracket. Walking it back and forth to aid in removal. Next disconnect the wire connectors. Take the main battery cable off and the connector.
What are the volts on a Volkswagen Jetta?
Have jetta, with 90 amp bosh alt. Shop test alt it puts out 100 amps when tested, battery checks out at 235 amps cold crank, cables cleaned tightened, when car first started, volts will display 13.8 to 14 after car runs a few minutes less than 5, voltage drops to 12.5 then to 12. Not sure what steps to take now? have the same problem?
How do you remove a serpentine belt alternator?
Refer to the Serpentine Belt Tensioner removal video. Before removing the alternator, you need to remove the serpentine belt tensioner and belt. Refer to the Serpentine Belt Tensioner removal video. Remove the two bolts from the alternator. Now that the bolts are out, pull the alternator off the bracket. Walking it back and forth to aid in removal.
What happens if the alternator doesn’t work?
If the alternator fails, the dashboard battery warning light will turn on while you drive. Soon after, all electrical components will begin to lose power, the vehicle will stall, and a jump start won’t work. If the alternator’s bearing fails, it can cause a grinding noise that changes with engine speed. Can I drive with an alternator problem?
How many miles does an alternator usually last?
Alternator failure is fairly common, but an alternator can last well over 100,000 miles without incident. Harsh driving conditions and custom power accessories can shorten the life of an alternator.