What PSI Should Firestone Air Bags be Inflated to
Question:
How much air pressure for Firestone Air Helper Springs FSN-21-9015 on 2016 Ford E-450? No instruction manual. Is there any maintenance on this system?
asked by: Thomas M
Helpful Expert Reply:
The 21-9015 number that you mention is actually the order number for the "equipped with Ride Rite Helper Springs" sticker and is not the part number for the air bags. But to answer your question the minimum pressure you need to keep in the bags is 5 psi so that they don't fail prematurely but the amount of pressure you'll need to run will be based on what it will take to keep the vehicle level which will be based on how much cargo is loaded etc.
Product Page this Question was Asked From
Firestone Ride-Rite Air Helper Springs - Double Convoluted - Rear Axle
- Vehicle Suspension
- Rear Axle Suspension Enhancement
- Air Springs
- Heavy Duty
- Firestone
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