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  1. 1985 Century Mustang

    Need Ideas/Advice/Removal of Broken Upper Vertical Shaft Bearing.

    I'm now concerned about the shimming. I will have to shim all the components in what I'm reading. I have the original shims, but some aren't in the best shape.
  2. 1985 Century Mustang

    Need Ideas/Advice/Removal of Broken Upper Vertical Shaft Bearing.

    Thanks everyone, I really appreciate the input.
  3. 1985 Century Mustang

    Need Ideas/Advice/Removal of Broken Upper Vertical Shaft Bearing.

    The bearing on my upper vertical shaft broke, so I'm going to need to remove the remainder of the broken off bearing. Alpha One Gen One Merc (Photos Enclosed). And then I will need the new bearing to be pressed back on once I get it. Does anybody here have experience removing this broken part...
  4. 1985 Century Mustang

    Upper Gear Case Bearing was Destroyed Sterndrive. Need help with part # Merc Alpha One Gen One.

    I think i caught it at the right time. The gears don't look too bad.
  5. 1985 Century Mustang

    Upper Gear Case Bearing was Destroyed Sterndrive. Need help with part # Merc Alpha One Gen One.

    Thanks for the info. FWIW, that clicking noise was most definitely without a doubt the coupler. The sterndrive was removed before I removed the engine, and still made that clanking noise. So I replaced the coupler and the noise vanished. The coupler was loose because of an out of aligned engine...
  6. 1985 Century Mustang

    Upper Gear Case Bearing was Destroyed Sterndrive. Need help with part # Merc Alpha One Gen One.

    This is the part I need. I think it's called an upper roller bearing. Can this be replaced or do I need to buy a whole complete unit?
  7. 1985 Century Mustang

    Upper Gear Case Bearing was Destroyed Sterndrive. Need help with part # Merc Alpha One Gen One.

  8. 1985 Century Mustang

    Upper Gear Case Bearing was Destroyed Sterndrive. Need help with part # Merc Alpha One Gen One.

    Im re-doing all my seals gaskets etc on Merc Alpha One Gen one, when I opened the upper gear case housing a few minutes ago, I found this broken bearing. I hope I don't have to replace the whole assembly. Need help identifying it. Thanks.
  9. 1985 Century Mustang

    Mercruiser 4.3L Will Not Start

    Does your boat crank? If so, Have you tried a multimeter to test volts etc? What does your battery read with regards to volts with multimeter? It should read a bare minimum of 12.5 volts.
  10. 1985 Century Mustang

    Mercruiser 4.3L Will Not Start

    No, if you sprayed the carb with carb cleaner or starter fluid, and you had enough spark, it should kick over.
  11. 1985 Century Mustang

    Mercruiser 4.3L Will Not Start

    Check your main ground.
  12. 1985 Century Mustang

    Mercruiser 4.3L Will Not Start

    Did you try spraying Carburetor Cleaner in the carb. You could have a fuel issue. I'd try that first.
  13. 1985 Century Mustang

    Removing Castle Nut or Retainer Ring on a Mercruiser Alpha One Gen One Sterndrive.

    No need to replace the prop shaft seals or the carrier bearing o ring. It passed the vacuum test w flying colors. I'm so happy I didn't have to take that castle retainer ring off. That would of been aggravating.
  14. 1985 Century Mustang

    Pressure/Vacuum Test Lower Unit Sterndrive Merc Alpha One Gen One.

    Thanks for the info.
  15. 1985 Century Mustang

    Pressure/Vacuum Test Lower Unit Sterndrive Merc Alpha One Gen One.

    I found it at my local boat shop, I'm stoked. I'm installing it now. It fits perfectly. Gonna lightly sand the housing, and add some gasket sealer.
  16. 1985 Century Mustang

    Mercruiser Sterndrive Gear Oil Leaking by Prop

    I found it. The lower vertical shaft oil seal.
  17. 1985 Century Mustang

    Pressure/Vacuum Test Lower Unit Sterndrive Merc Alpha One Gen One.

    I will be replacing the lower vertical oil shaft inner seal. As the upper inner seal looks pretty good. I'm looking for a part # for that seal if anyone knows the correct part #. It's the smaller inner lower oil seal.
  18. 1985 Century Mustang

    Pressure/Vacuum Test Lower Unit Sterndrive Merc Alpha One Gen One.

    Further, I had to hold/plug in this small oil passage seal to successfully perform the test. Luckily, I figured it out after the unit wasn't getting any pressure to accomplish this test. I didn't know that. You learn something new every day.
  19. 1985 Century Mustang

    Pressure/Vacuum Test Lower Unit Sterndrive Merc Alpha One Gen One.

    This is where the liquid was draining out when I used the soapy bubble test in the carrier bearing/ prop area, So I'm thinking that the gear oil definitely was coming down from the upper unit and coming out of the prop section.
  20. 1985 Century Mustang

    Pressure/Vacuum Test Lower Unit Sterndrive Merc Alpha One Gen One.

    I just did a pressure/vacuum test on my lower unit and the results were good, as I'm very pleased. I did a 15 lb. Test and the vacuum held up fine. No leaks no bubbles. Question - How long do I do a vacuum test for? I did my test for 30 minutes. Do I need to go longer? If that is...
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