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need help with problem head rebuild

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    need help with problem head rebuild

    I have just rebuilt my head and have put a new timing beltas well as water pump, thermostat and belts. when i turn it on it sounds better then ever and when fully warmed the temp stays at the half way mark but as i begin to drive the valves rattle, the red oil light on the dash flickers on and off and the car steadily begins to move towards overheating.I replaced the oil pump hoping it would be the solution but it didnt help. As i continue to drive the valves seem to get louder and the car eventually overheats. also the exaust manifolds as well as head will get excessivly hot as well. on my last attempt i opened the hood to find that two of my ignition wires has melted. any ideas? just one more thing to add on the head i put on i purchased completely rebuilt and they said they adjusted the valves as well.

    #2
    make sure the oiling holes are lines up on the rocker shafts, if they are not aligned properly oil will not get to where it needs to go and bad shit will happen to that rebuilt head
    Shawn @ Bimmerbuddies
    Bimmerbuddies LLC
    717-388-1256
    2971a Roundtop Rd, Middletown PA 17057
    bimmerbuddiesllc@gmail.com

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      #3
      Ill have to look into it tomorrow. I'm not exactly home but ill post what comes up. Thanks for the idea

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        #4
        Everything is properly lined up. I guess that wasn't the solution it seemed unlikely considering there is a key at the rocker shaft end that allowed for only one way of setting them. Got any other ideas?

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          #5
          The oil pressure light coming on won't have anything to do with the head unless the spray bar is missing or the cam journals are badly worn. Though low oil pressure will cause the head to make noise from a lack of lubrication. The first action at this point is to replace the oil pressure switch with a gauge and see what the oil pressure is as the engine comes up to temperature. With a new pump in place low oil pressure could be from a plugged or collapsed filter, bad oil pressure relief valve, or worn out bottom end.

          The overheating could be from a failure to properly bleed the cooling system.
          The car makes it possible, but the driver makes it happen.
          Jim Levie, Huntsville, AL

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