retarder works then stops ??

Discussion in 'Volvo Forum' started by AUSSIE DAVE, Oct 18, 2011.

  1. AUSSIE DAVE

    AUSSIE DAVE Road Train Member

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    hi all, a mate of mine has a volvo 500, the retarder will work and then not work and then work again, he has had it to volvo but they have no idea what is wrong, can anyone help please ?
     
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  3. Bent Wrench

    Bent Wrench Medium Load Member

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    Is it a retarder or a jake brake?

    What kind of motor?
     
  4. Pablo-UA

    Pablo-UA Road Train Member

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    what kind of retarder? ore may be exaust brake?

    Is the retarder on transmission?
     
  5. AUSSIE DAVE

    AUSSIE DAVE Road Train Member

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    I'll get more info and post, thanks guys
     
  6. Smaggs

    Smaggs Pie Crust

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    Pittsburgh, PA
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    are you putting any weight on your clutch or throttle? this will cancel the effect.

    Does it happen at a specific point on your RPM reading or power band?

    Also be sure your jake on/off switch is fully engaged.
     
  7. ZippyNH

    ZippyNH Medium Load Member

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    Aug 8, 2010
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    If it is an exaust brake, they often use a pneumatic actuator...i have had one go intermittentlu bad before it stopped working entirely...
     
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