Serpentine Belt Doesn't Line Up On One Pulley

Discussion in 'General Discussion' started by Ralph vaughn, Mar 3, 2021.

  1. Ralph vaughn

    Ralph vaughn Member

    247
    Nov 14, 2018
    Atlanta Ga
    2008 Sea Ray 290
    Raymarine Radar and GPs
    5.0 Sea Core engines and Sea Core Bravo III outdrives
    I replaced my impellers, cool fuel III filters (two per engine) and my serpentine belt. The port side was easy peasy and everything went back on perfectly. The Starboard side of course was a nightmare to remove the alternator. After I got everything replaced and started the engine I noticed that the serpentine belt on the guide pulley (same function I think as the idler pulley but further starboard and down near the alternator pulley) was not completely on the pulley, it was 1/4 inch inside the pulley. I removed the alternator in an attempt to get it on the pulley and that helped a little but the serpentine belt is still not centered on the pulley. Is there a belt adjustment that I'm missing or did I put the spacers in the wrong way?

    Thanks for your help and comments.

    Ralph
     
  2. Bt Doctur

    Bt Doctur Well-Known Member

    Aug 21, 2010
    New Jersey
    Ex SRV 240 Weekender twin
    in between
    alt is not correctly installed.there is no need to remove the alt or a pully to replace a belt
     
  3. dtfeld

    dtfeld Water Contrails GOLD Sponsor

    Jun 5, 2016
    Milton, GA
    410 Sundancer
    2001
    12" Axiom and 9" Axiom+ MFD
    Cat 3126 V-Drives
    Any spacers or left over washers? Look at the other side and compare.
     
  4. Ralph vaughn

    Ralph vaughn Member

    247
    Nov 14, 2018
    Atlanta Ga
    2008 Sea Ray 290
    Raymarine Radar and GPs
    5.0 Sea Core engines and Sea Core Bravo III outdrives
    was replacing impellers and fuel filters that require removing alternator to replace so I had to remove serpentine belt.
     
  5. Ralph vaughn

    Ralph vaughn Member

    247
    Nov 14, 2018
    Atlanta Ga
    2008 Sea Ray 290
    Raymarine Radar and GPs
    5.0 Sea Core engines and Sea Core Bravo III outdrives
    Thanks everyone. I had one of the pulleys threaded backwards. Checked the other engine for the 5th time and corrected the belt threading

    Thanks for everyone's help.

    Ralph
     

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