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nonreturn

  1. brigadier

    m104 oil non-return valve

    Hi! My m104 engined coupe makes terrible (tappets) sound for a second until oil pressure rises up. I think it might be the one way valve, that keeps the oil in filter for immediate lubrication. I understand i need these parts 26,29,32,35,110 in diagram bellow? It's called by-pass valve in epc...
    • brigadier
    • Thread
    • m104 nonreturn oil valve
    • Replies: 11
    • Forum: Engine
  2. James1976

    300 SL-24 M104 non-return valve?

    Afternoon all. Quick couple of questions - I've got a 75,000 mile one of the above. Recently parked the car on a sideways slope after a long run and the tappets rattled for a few seconds when starting the engine again. Guess the oil had run out of some of the tappets, perhaps due to the...
    • James1976
    • Thread
    • 300 m104 nonreturn sl24 valve
    • Replies: 5
    • Forum: Engine
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