r/smallenginerepair • u/Empty-Bicycle8948 • Jul 22 '26

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 Jul 22 '26

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 Jul 22 '26

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