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  1. #1

    Default 08 Silverado Vortecmax misfire

    Hey yall, this is my first post. I intend on doing an introduction but at the moment I really could use some help, My truck just started to misfire in cylinder #4 and the traction control light went off. I brought it to the dealer thinking it would be simple like a plug or a coil but they said the cylinder has NO compression. Does this sound like possibly a valve spring or worse? And has anyone had a similar problem. Any input or advise would be greatly appreciated,

  2. #2

    Default

    possibly a broke valve spring Ci. i'd pull the valve cover crank the motor and observe the # 4 valvesprings and rockers good luck

  3. #3

    Default

    The crankshaft nubs for cylnder 4 are worn down and the lifters need to be replaced. This is bad does anyone know what could have caused this? Im at a loss for words I can either do it myself to save $ but that will take me a while or I can goto a shop and spend a fortune. It dosnt make sense this is not an old or neglected truck

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