Quality of Delco 39mt starters

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Motto, Jun 1, 2020.

  1. Motto

    Motto Light Load Member

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    Quality of Delco Remy 39mt starters are bad. I keep changing them on DD15s. The latest pn 8200424 worked only 1.5 years. Did anybody have teared it down to see what is the problem inside? Anybody used Denso poweredge starters on DD15 ? If yes are they good?
     
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  3. pushbroom

    pushbroom Road Train Member

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    Most times it is just the small solenoid on them that fails. It can be replaced separate from the starter.
     
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  4. Motto

    Motto Light Load Member

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    You mean the ims that goes on top of starter or the solenoid switch?
     
  5. pushbroom

    pushbroom Road Train Member

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    20200601_205905.jpg

    Red is small solenoid. Blue is big one.
     
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  6. Motto

    Motto Light Load Member

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    I have two brand new delco starters. I will change the small solenoid to see what is happening...
     
  7. Shawn2130

    Shawn2130 Medium Load Member

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    I’ve installed 2 of those. One on the freightliner, works good so far.

    Installed one on the ford, got maybe 3 months, dead. changed the little solenoid, nothing.

    Switched back to using rebuilt slow turning starters of the past.

    Took the 3 month starter in to be checked. The big solenoid was burned. Not sure why.
     
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  8. uncleal13

    uncleal13 Road Train Member

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    I just replaced mine this weekend.
    The starter motor housing was coming loose from the mounting flange. Those two really long thin bolts that run along the outside of the casing weren't tight enough.
     
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  9. baha

    baha Road Train Member

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    Were the starters you got rebuilt or brand new? The ones that are rebuilt are sent overseas and only the parts that failed are replaced, the sol. that are put on are known to be junk.
     
  10. Motto

    Motto Light Load Member

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    I have purchased them at freightliner dealer. Brand new Delco Remy. The label says made in mexico.
     
  11. Motto

    Motto Light Load Member

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    btw freightliner has mitsubishi starters. They are little expensive.
     
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