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How to Install an Alternator on a Jetta TDI

The alternator in a Jetta TDI uses the energy created by the vehicles running engine to continuously recharge the battery. As the alternator starts to die, a red light shaped like a battery will glow on the instrument panel and the battery will have to pick up the slack and work harder. Replace the alternator in a timely fashion to prevent larger problems from occurring with the Jetta.

Instructions

1

Park the Jetta TDI on a flat, level surface and set the parking brake. Place wheel chocks around one of the wheels. Open the hood and support it in place with the hood prop. Disconnect the negative battery cable with an open-ended wrench.

2

Remove the engine cover screws with a Phillips head screwdriver. Loosen the hose clamp on the end of the intake hose with a flat head screwdriver. Disconnect the intake hose and remove the engine cover from the vehicle.

3

Release the tension on the alternator belt by using a socket wrench on the belt tensioner. Push the handle of the socket wrench behind the belt tensioner. Pull forward on the socket wrench so that it will act as a lever against the tensioner and move it forward. Remove the belt from the pulley.

4

Unplug the electrical connections from the alternator. Remove the alternator mounting bolts with a socket wrench and a 13mm socket. Remove the alternator.

5

Put the new alternator in position and secure the mounting bolts with a socket wrench. Push on the belt tensioner with a socket wrench and place the alternator belt on the pulley. Release the tension on the belt tensioner and let it settle in place.

6

Replace the engine cover and tighten the screws with a Phillips head screwdriver. Seat the intake hose and tighten the hose clamp around the connection with a flat head screwdriver.

Posted by Unknown at 2:45 AM

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