Search results

  1. O

    Mercruiser 5.7L Black Scorpion grinding noise when in neutral

    Replaced the starter and ignition switch. Fired right up and sounds great - problem solved. Fortunately, the ring gear was still in good shape!
  2. O

    Mercruiser 5.7L Black Scorpion grinding noise when in neutral

    Finally had a minute to poke around a bit more just to find where exactly the starter's at on this motor, and you are correct. It's tucked under the port side exhaust. Not exactly a spacious spot to work, but it doesn't look too bad to DIY replacement. From what I can see it's like two bolts...
  3. O

    Mercruiser 5.7L Black Scorpion grinding noise when in neutral

    Thanks, guys, for the quick response and helpful info. I'm going to get it in to Mercruiser mechanic to have them check starter and ring gear and replace if needed, along with replacing that ignition switch (which I'm thinking is probably the original source of the problem). Re: Solenoid -...
  4. O

    Mercruiser 5.7L Black Scorpion grinding noise when in neutral

    On a related note, where the heck is the slave solenoid on this engine? Maybe I'm just overlooking the obvious, but I did not see it when glancing around engine compartment. Haven't gone digging yet to look under wires/hoses for it. There seem to be quite a few wires and connectors tucked...
  5. O

    Mercruiser 5.7L Black Scorpion grinding noise when in neutral

    Hello all - new forum user here looking for some expert opinions. I recently bought a 2007 Centurion Avalanche C4, with a Mercruiser 5.7L 330 Black Scorpion engine. When we took it out on the lake for the first time, I noticed that it was making a loud grinding noise whenever it was in neutral...
Top