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  1. J

    What's making that noise?

    Ok, I see your paragraph now. Here's my thoughts. When there is an HLA that has been disassembled and cleaned, it probably has some air in it unless the person doing the work was working with his fingers under the surface of an oil bath during the reassembly. Anyway, let's assume that the HLA...
  2. J

    What's making that noise?

    Originally Posted By: ledslinger My opinion is it likely isn't valves hitting seats, since valves always hit the seats without making noise. Isn't there a deceleration ramp on the back side of the lobe that lets the valve close gently? Similar to the acceleration ramp on the front side? How...
  3. J

    What's making that noise?

    So it's not the valves hitting the seats due to too much lash?
  4. J

    What's making that noise?

    When an HLA is not fully pumped up and a ticking sound is happening, what parts are colliding to make that ticking noise?
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