If you are looking for a comprehensive guide about how you can change the bearings of your AC Delco Alternator, then you no longer have to worry as you will get to know the whole process in this article.

Changing the bearings on an AC Delco alternator requires some disassembly of the alternator. In this article, we will provide you with a step-by-step guide that will help you with the process.

Note: Working on an alternator involves delicate electrical components, so it’s recommended to take precautions and seek professional assistance if you are not familiar with working on electrical systems.

1.  Safety First:

Disconnect the negative terminal of your vehicle’s battery to prevent any electrical mishaps during the process. Use gloves and goggles if required.

1.  Remove the AC Delco Alternator:

Take out the alternator from the vehicle. This process typically involves

●     Loosening the tension on the serpentine belt

●     Removing any mounting bolts or brackets

●     Disconnecting electrical connections such as the main output wire and the field wire.

1.  Disassemble the AC Delco Alternator:

Carefully disassemble the alternator by removing the rear housing, front housing, and rotor assembly. Follow any specific instructions provided in the manufacturer’s manual for your particular AC Delco alternator model.

We suggest you take notes while disassembling your AC Delco alternator because it may come in handy while reassembling it.

2.  Locate the Bearings:

Once you have access to the internal components of the alternator, you’ll find the bearings. These are typically located at both ends of the rotor shaft.

3.  Remove the Old Bearings:

To remove the old bearings, you may need a bearing puller tool. Gently apply pressure using the puller to remove the bearings from the rotor shaft. Be careful and try not to damage the rotor or other parts during this step.

4.  Install the New Bearings:

Place the new bearings onto the rotor shaft, ensuring they are properly aligned. You can use a bearing installation tool or a suitable socket and hammer to gently tap the bearings into place. Make sure they are seated securely.

5.  Reassemble the AC Delco Alternator:

Once the new bearings are in place, reassemble the alternator by reversing the disassembly steps. Ensure all components are properly aligned and secured.

Follow the manufacturer’s instructions regarding torque specifications for the mounting bolts. If you don’t have the manual you can use the notes that you wrote while disassembling your AC Delco alternator.

6.  Install the AC Delco Alternator:

Put the alternator back into the vehicle, reconnect any electrical connections, and tighten the mounting bolts or brackets. Reinstall the serpentine belt and adjust the tension as necessary.

7.  Reconnect the Battery:

Finally, reconnect the negative terminal of the vehicle’s battery, ensuring a secure connection.

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