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How do you replace the alternator on a 1987 Dodge Dakota?

Replacing an alternator on a 1987 Dodge Dakota involves several steps and can vary slightly depending on the engine (2.2L, 2.5L, 3.9L, or 5.2L). Always consult your vehicle's repair manual for precise instructions and torque specifications specific to your engine and model. This is a general guide and should not be considered a complete replacement instruction. Failure to follow proper procedures can lead to injury or further vehicle damage.

Tools you'll likely need:

* Socket wrench set (metric)

* Wrenches (metric)

* Ratchet

* Extensions

* Pliers

* Screwdrivers (Phillips and flathead)

* Battery terminal cleaner

* New alternator (make sure it's the correct one for your Dakota)

* Jack and jack stands (safety first!)

* Wheel chocks

* Safety glasses

* Gloves

General Steps (This is a simplified guide, consult your manual for specifics):

1. Disconnect the Battery: This is crucial to prevent electrical shocks and short circuits. Disconnect the negative (-) terminal first, then the positive (+) terminal.

2. Access the Alternator: The alternator's location varies slightly depending on the engine. Generally, it's located on the front of the engine, near the belts. You may need to remove some components to gain better access. This could include:

* Belt Tensioner: You'll almost certainly need to loosen the alternator belt tensioner to remove the belt. This usually involves a bolt or lever mechanism. Consult your manual for the correct procedure.

* Other Components: Depending on your Dakota's configuration, you might need to remove other parts like air cleaner housings or brackets to get a clear view of the alternator.

3. Remove the Alternator:

* Disconnect Electrical Connections: Unplug the wiring harness connector from the back of the alternator.

* Remove Mounting Bolts: The alternator is usually held in place by a couple of bolts. Carefully remove these bolts.

* Remove the Alternator: Carefully remove the alternator from its mounting location. It may be slightly heavy.

4. Install the New Alternator:

* Mount the New Alternator: Carefully install the new alternator into its mounting location.

* Tighten Mounting Bolts: Secure the alternator with its mounting bolts, ensuring they are tightened to the manufacturer's specified torque.

* Reconnect Electrical Connections: Plug in the wiring harness connector.

5. Reinstall the Belt: Carefully route the serpentine belt back around the pulleys, ensuring it's correctly seated on all pulleys. Retighten the belt tensioner.

6. Reconnect the Battery: Reconnect the positive (+) terminal first, then the negative (-) terminal.

7. Test the Alternator: Start the engine and check the alternator's output voltage using a multimeter. The voltage should be around 13.5-14.5 volts. If not, there might be a problem with the new alternator, the wiring, or the charging system.

Important Considerations:

* Serpentine Belt Routing: Pay close attention to the serpentine belt routing. Incorrect routing can damage the alternator and other components. Diagram it before removing it.

* Torque Specifications: Always follow the manufacturer's torque specifications for all bolts and nuts. Over-tightening can cause damage.

* Safety: Always use jack stands when working under the vehicle. Never work on the vehicle while it's running. Wear safety glasses and gloves.

This is a general overview. Refer to a repair manual specific to your 1987 Dodge Dakota with the correct engine for detailed instructions, diagrams, and torque specifications. If you are uncomfortable performing this repair yourself, take your vehicle to a qualified mechanic. Improper installation can lead to further damage or injury.