VNL - D16 Cab Air bags no air

Discussion in 'Volvo Forum' started by bonous, Nov 27, 2015.

  1. bonous

    bonous Light Load Member

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    May 31, 2014
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    Good morning,
    Hope someone have experienced this issue and can help point me to the right direction where or what to check. Both my cab air bags are not airing up, all air bags on front and rear axles are aired up except the two cab air bags. I have checked everywhere for leak with soap water there's no leak. Can someone tell me where to look or what to do? thanks a lot!
     
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  3. flood

    flood Road Train Member

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    sleeper leveling valve......
     
    bonous Thanks this.
  4. bonous

    bonous Light Load Member

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    May 31, 2014
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    Ok I will replace that and post back, thanks!
     
  5. flood

    flood Road Train Member

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    to check it just remove the adjustment rod from the sleeper then move the lever (on the valve) down if the sleeper doesn't lift the valve is bad....
     
    bonous Thanks this.
  6. bonous

    bonous Light Load Member

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    May 31, 2014
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    Ok will do as soon as the rain stops over here, thanks!
     
  7. bonous

    bonous Light Load Member

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    May 31, 2014
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    I changed the valve and all is good now, the cab air bags are filling up now, thanks!
     
    flood Thanks this.
  8. bonous

    bonous Light Load Member

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    May 31, 2014
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    Well a new development. Since I changed the leveling valve I'm getting air in my cab airbags and everything is good, but when I pack and with the truck turned off overnight, I loose air only in the cab airbags. Used soap water and no leaks found, also when I pull the drain valve on the air tanks all three thanks have air in them. Any ideas? Thanks!
     
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