Search results

  1. G

    2015 Mercruiser 4.3 EFI issues.

    Helping my friend get his boat he purchased last year sea worthy. He had it out a few times, both ending in issues. First the gear oil resevoir leaked and set of an alarm. Would this cause the engine to go into limp mode! New reservoir installed. Second issue, low voltage. Diagnosed as...
  2. G

    2002 Mercruiser 5.0 EGR pipe

    Is there any negative effects from removing the EGR pipe (right side exhaust Manifold to intake manifold)? This is a 2 bbl carb model. I know on many EGR vehicles removing it can actually hinder performance as the diluted intake charge allows more timing. Not sure if the thunderbolt 5 system...
  3. G

    Upper bearing preload

    Alpha 1-Gen2 OM517265 (2002) (230 hrs) Hello forum, 1st post here and could use some help. Pulled the lower to replace the impeller. Then pulled upper to inspect bellows and gimbal bearing. Bellows had about a 1/4 cup of gear oil. Ordered an upper seal kit. Removed the nut and tension...
Top