2008 Mazda 8 2.3DISI MPV with an overheating issue

Discussion in 'Mazdaspeed 3 Troubleshooting' started by C G Pieterse, May 4, 2023.

  1. C G Pieterse

    C G Pieterse Greenie N00B Member

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    Hi, I'm new here
    I have a 2008 Mazda 8 2.3DISI MPV with an overheating issue.
    the Fans work with A/C no problem
    if driving normal with out A/C the fans turn on at 102'C/215.6F and slow where as they should turn on sooner
    the thermostat opens at 82'C/179.6F which is correct, so now i have to drive with A/C constantly
    its mainly when also driving up hills on load

    I have replaced thermostat, temp sensor, water pump and rebuilt the motor due to also oil consumption
    if anyone could help,
     
  2. Awafrican

    Awafrican Moderator Gold Member

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    Welcome to mso. If I recall correctly 215f is about the correct temp for fans to turn on, our rad fans turn on higher than you'd think they should.
     
    Awafrican, via a mobile device, May 4, 2023
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