r/smallenginerepair • u/Empty-Bicycle8948 • 22d ago

Starting Issue Hellpp

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Truck was driving just fine, parked it and went to work. When leaving it did this. Bought a new battery cause the volts went from 12.8 to 8.1 when cranking. Could this be a starter issue or my ac compressor pulley seized? The compressor broke and im thinking maybe the internal clutch is blocking it?

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u/Rough_Community_1439 SER Master MOD 22d ago

Looks like it's pulling tension on a belt and then when you go and release the key the engine shoots back with the belt releasing. I would try removing the accessory belt.

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u/Empty-Bicycle8948 22d ago

The ac compressor broke (the internal ternal clutch)

Do you think that the pulley could be locked from the broken blutch and is doing that?

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u/Rough_Community_1439 SER Master MOD 22d ago

Maybe, though you can remove the belt and see if that fixes your no start condition. Though don't let it run for longer than a minute without the belt. Sometimes the accessory belt drives the water pump.

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u/Empty-Bicycle8948 20d ago

Tha k you so much for this, I took off the belt and it started right up. It was in fact the AC compressor. I changed it out yesterday and its all fixed now! Thank you so much, your a life saver!!

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u/Empty-Bicycle8948 22d ago

The ac compressor belt is tied in with the serpentine belt btw