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Recommended Air Pressure for Air Bags on 2000 F-53 Chassis Motorhome  

Updated 05/05/2024 | Published 05/04/2024



Question:

2000 motorhome on F53. 3 years ago I had the AL57140 installed on the front. The back already had them. What pressure should they be at? Currently have been running 50psi. With the horrible rough roads in AZ it is all over. Much better after replacing the shocks but wonder if adding more air would be warranted.

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Expert Reply:

There is no exact air pressure setting for your # AL57140. Since they're at 50 psi right now and you're on rough roads I would go ahead and increase the pressure to see how that impacts the ride quality. The minimum is 5 psi and the maximum is 100 psi so you have quite a bit of room to play with over the 50 psi you're at now. As a general rule, air helper springs will support approximately 40 lbs of load for each psi of inflation pressure per pair. At 50 psi you have 2,000 lbs of additional support.

If you don't already have one, you may want to install an air compressor like the # AL25980EZ so you can adjust as needed. This will allow you to get the air bags set where you want them depending on the road conditions. It is a dual path system so you could run the lines to the front and rear air bags to adjust each pair individually by adding in a Union Tee # AL21838 on each end.

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Robin H
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