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mike p
Lv 6
mike p asked in Cars & TransportationCar MakesGMC · 2 years ago

1995 GMC Yukon with 5.7 rocker arm problem.?

One of the rocker arms is not centered on top of valve stem. What would cause this?

4 Answers

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  • thebax2006
    Lv 7
    2 years ago

    Bad hydraulic lifters or camshaft bearings not getting enough oil pressure.

    Source(s): Mitsubishi Master Tech
  • Bill
    Lv 7
    2 years ago

    Bent or damaged pushrod.

  • Trump 2020
    Lv 7
    2 years ago

    Bent push rod?, collapsed lifter?, weak valve spring? push rod worn out from lack of lubrication? rocker out of adjustment?

    'bout all I can think of.

  • Anonymous
    2 years ago

    a guess would be a bent valve

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