Engine will not turn to engage the starter?

2000 CHEVROLET SILVERADO
180,000 MILES • 4.3L • V6 • 2WD • AUTOMATIC
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EK69
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Turn the key over motor won't engage the Starter. I replaced the Starter, Battery, and Alternator. Would turn over until last night. Now I hear a "Clank" when turning the key.
Jul 10, 2022 at 5:57 PM
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STRAILER
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Yep, I would use a breaker bar on the front of the engine to see if the engine turns over because it sounds like the engine is locked up. This guide can help as well:

https://www.2carpros.com/articles/starter-not-working-repair

Please run down this guide and report back.
Jul 11, 2022 at 6:08 PM
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EK69
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We did that and it turns. Thank God
Jul 12, 2022 at 4:33 AM
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STRAILER
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Nice, so the clank you hear is probably the starter Bendix engaging into the flywheel, but the motor part of the starter is not working. can I ask which brand of rebuilt starter did you use?
Jul 12, 2022 at 11:09 AM
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EK69
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Altima.
Jul 12, 2022 at 11:41 AM
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STRAILER
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I would get an AC Delco unit from Rockauto or Amazon. Also, check the positive and negative battery cables. Battery is fully charged? Also make sure the negative cable is connected to the engine block and frame/chassis of the truck.
Jul 13, 2022 at 11:45 AM
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EK69
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All connections are good. We have now run into another problem. Fuel pump is now dumping gas into the engine. One problem turns into another.
Jul 13, 2022 at 6:29 PM
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EK69
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This is week number 3 of working on it daily so we can go to work.
Jul 13, 2022 at 6:30 PM
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STRAILER
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Is the ground connected to the engine and the frame/chassis? We should run the codes to see what comes up.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Can you please shoot a quick video with your phone so we can see what's going on, that would be great? You can upload it here with your response.
Jul 14, 2022 at 10:13 AM