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99 Sierra 1500 5.3, loud whistle n shut off wont start,,..HELP?????

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      Stacey75
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      ok so the trucks driveshaft fell off, tied it up with extention cord and it got me home, when home i took the driveshaft back off, and while it was off started the truck n tried to put it into 4 wheel drive, it engaged into 4 wheel drive but immediatly herd a loud whistle like noise, the truck shut off and hasnt started again. It’s cranking like it wants to start but nothing, changed the crank sensor n the cam sensor help me im loosing my mind!!!!!!!!!!!!!!!!!!!!

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