Rear Axel Air bags

  • jeff_huberty
    Inactive
    Posts: 4941
    June 13, 2019 at 12:04 pm #1862036

    Quick ?
    I just installed rear air bags on my F150, If anyone has them on your vehicle what air pressure are you typically using when Towing.

    Dutchboy
    Central Mn.
    Posts: 16656
    June 13, 2019 at 2:26 pm #1862063

    45# pulling my 28’ equipment tailer with forklift & tools.

    30# pulling the 20’ glass boat.

    3/4 ton Dodge diesel.

    grubson
    Harris, Somewhere in VNP
    Posts: 1614
    June 13, 2019 at 2:59 pm #1862067

    Experiment and see what feels right. I’d say 20-40lbs would be a good start.
    Just make sure not to run them flat. Should always have 5lbs or so in them.

    jeff_huberty
    Inactive
    Posts: 4941
    June 13, 2019 at 4:58 pm #1862086

    Thanks for the Help waytogo

    dbright
    Cambridge
    Posts: 1867
    June 13, 2019 at 8:40 pm #1862116
    grubson wrote:

    Experiment and see what feels right. I’d say 20-40lbs would be a good start.
    Just make sure not to run them flat. Should always have 5lbs or so in them.

    What is the reason behind not running them flat?

    404 ERROR
    MN
    Posts: 3918
    June 14, 2019 at 8:06 am #1862164

    Always get a ride height reading before hooking the trailer up. Obviously there are some instances where you wont get all the ride height back due to weight, but try to get as close as possible to the before ride height of the pickup. I found I almost never need more than about 30lbs in my Firestones, but your results may vary. Also, like Grubson said, keep 5lbs in them at all times. I also periodically check the PSI to ensure I still have the required minimum in them between uses.

    Mine are on a 5.0 F-150 Crew 6.5′

    Ralph Wiggum
    Maple Grove, MN
    Posts: 11764
    June 14, 2019 at 8:21 am #1862167
    404 ERROR wrote:

    Always get a ride height reading before hooking the trailer up. Obviously there are some instances where you wont get all the ride height back due to weight, but try to get as close as possible to the before ride height of the pickup.

    You mean you don’t have self-leveling bags??? shock

    munchy
    NULL
    Posts: 4931
    June 14, 2019 at 11:23 am #1862197
    dbright wrote:

    <div class=”d4p-bbt-quote-title”>grubson wrote:</div>
    Experiment and see what feels right. I’d say 20-40lbs would be a good start.
    Just make sure not to run them flat. Should always have 5lbs or so in them.

    What is the reason behind not running them flat?

    They can loose there shape while deflated and start rubbing on stuff or possibly get torn.

    grubson
    Harris, Somewhere in VNP
    Posts: 1614
    June 14, 2019 at 11:44 am #1862200
    munchy wrote:

    <div class=”d4p-bbt-quote-title”>dbright wrote:</div>

    <div class=”d4p-bbt-quote-title”>grubson wrote:</div>
    Experiment and see what feels right. I’d say 20-40lbs would be a good start.
    Just make sure not to run them flat. Should always have 5lbs or so in them.

    What is the reason behind not running them flat?

    They can loose there shape while deflated and start rubbing on stuff or possibly get torn.

    This is correct.

    Huntindave
    Shell Rock Iowa
    Posts: 3088
    June 14, 2019 at 12:04 pm #1862202
    Ralph Wiggum wrote:

    <div class=”d4p-bbt-quote-title”>Merican Eagle wrote:</div>
    Always get a ride height reading before hooking the trailer up. Obviously there are some instances where you wont get all the ride height back due to weight, but try to get as close as possible to the before ride height of the pickup.

    You mean you don’t have self-leveling bags??? shock

    Nobody’s touching that with a ten-foot pole.

    jeff_huberty
    Inactive
    Posts: 4941
    June 14, 2019 at 12:24 pm #1862205
    munchy wrote:

    <div class=”d4p-bbt-quote-title”>dbright wrote:</div>

    <div class=”d4p-bbt-quote-title”>grubson wrote:</div>
    Experiment and see what feels right. I’d say 20-40lbs would be a good start.
    Just make sure not to run them flat. Should always have 5lbs or so in them.

    What is the reason behind not running them flat?

    They can loose there shape while deflated and start rubbing on stuff or possibly get torn.

    Anyone have issues with raising the truck on a body/frame lift hoist? if the rear differential is unsupported can the bags tear?

    onestout
    Hudson, WI
    Posts: 2698
    June 14, 2019 at 12:37 pm #1862208

    I have put several on the hoist without an issue. All have been firestone airbags, can’t speak for any others. I plan to install the self leveling bags on my truck when I get some time. I towed about 11,000 lbs. The other day and it was a bit sketchy going up a hill once I got to the property, going up the hill unloaded the rear and it was getting loose.

    Bearcat89
    North branch, mn
    Posts: 20389
    June 15, 2019 at 11:45 am #1862333
    404 ERROR wrote:

    <div class=”d4p-bbt-quote-title”>Ralph Wiggum wrote:</div>
    You mean you don’t have self-leveling bags???

    I’m on a Busch light budget…

    Busch light is the gate way to my heart toast

    Fun fact I pump my air bags up with a bike pump. 7 pumps each hauls the ice castle. When ever your not around a air compressor

    Bearcat89
    North branch, mn
    Posts: 20389
    June 15, 2019 at 11:47 am #1862334

    Anyone have issues with raising the truck on a body/frame lift hoist? if the rear differential is unsupported can the bags tear?
    [/quote]

    No issue at all. Do it all the time on our 2 post lift

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