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Question about front suspension airbags....

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by saulhdz, Nov 1, 2019.

  1. Nov 1, 2019 #1
    saulhdz

    saulhdz Bobtail Member

    18
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    Jan 18, 2018
    0
    I have 2008 Volvo vnl , that has front airbags that inflated at 73 psi, I just what to know if that is too much??? or if it needs more. or what is the recommended pressure. Thanks in advance for any advice.
     
    saulhdz, Nov 1, 2019
    saulhdz, Nov 1, 2019
    #1
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  3. Nov 1, 2019 #2
    x1Heavy

    x1Heavy Road Train Member

    34,017
    42,104
    Mar 5, 2016
    White County, Arkansas
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    If you still have bags, drive on.

    IF they did break, it's a problem for the company shop. But not until then.

    My message is simple. Don't worry the details of something that aint broken just yet. Keep a eye on it.
     
    x1Heavy, Nov 1, 2019
    x1Heavy, Nov 1, 2019
    #2
    Rideandrepair Thanks this.
  4. Nov 1, 2019 #3
    JMon

    JMon Light Load Member

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    Nov 1, 2018
    Treasure Coast FL
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    Those axles are set by measurement not air pressure. They make a template for the air bags or you can measure ride height off the frame.
    I'll see if I can find the instructions
     
    JMon, Nov 1, 2019
    JMon, Nov 1, 2019
    #3
    Rideandrepair Thanks this.
  5. Nov 1, 2019 #4
    JMon

    JMon Light Load Member

    97
    411
    Nov 1, 2018
    Treasure Coast FL
    0
    To increase the ride height you have to add air pressure. If the truck ever blew an air bag there's a good chance the adjustment is off.
    We had one with an ISX that ran about 90psi. VOLVO AIR SPRING ADJ.png
     
    JMon, Nov 1, 2019
    JMon, Nov 1, 2019
    #4
    Rideandrepair and BoxCarKidd Thank this.
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