4 RV Air Suspension Problems : Causes And Easy Solutions

Air suspensions are an integral part of your RV. They make traveling easy and risk-free regardless of the path taken. But if something goes wrong with your air suspension system, it can be very dangerous for you and your passengers!

In this blog post, we’ll cover some common RV air suspension problems so that you can prevent them from happening in the first place. We’ll also give a few tips on troubleshooting these issues when they arise.

RV Air Suspension Problems And Troubleshooting

Corner suspension sag

Corner suspension sag is one of the most common problems in all RV Air Suspension systems. You will experience this symptom when one corner of your vehicle lowers after being parked overnight. This happens when the airbags lose pressure, which causes them to hold up that corner of your RV no longer.

Troubleshooting Corner Suspension Sag

It’s easy to find yourself in a situation where your RV air suspension is sagging. Find any potential leaks first. If you leak, it will require more work than just a quick fix—you’ll need to replace the damaged component. Causes of this problem are mentioned below:

  • A broken spring
  • A broken corner airbag
  • A broken airline or fitting

So, All you need to do is fill your airbags with more air until they regain their original shape and continue holding up that side of your vehicle as intended.

Suspension Leaning to one side

Due to frequent use and wear, the Air Suspension sometimes leans the RV. There is some slight resistance from the suspension. It does not level the RV, but rather makes minor adjustments (either left or right).

The suspension system adjusts ride height differently at each corner, which can lead to an imbalance in chassis alignment, which causes instability and makes handling difficult on bumpy roads or during hard braking maneuvers.

The recommended solution is to height calibrate your car’s air suspension system (by adjusting ride height sensor levers) manually or electronically through the air suspension ECU using a diagnostic tool, depending on the car model you have purchased from us.

Troubleshooting Suspension Leaning to one side

To troubleshoot this problem, you should first check the air pressure of all tires. They may be leaning to one side if they’re not properly inflated. Additionally, check the air suspension system to see if it’s operating correctly and if there are no leaks.

If none of these steps solve your problem, then you may need to align your vehicle or replace some worn-out parts like bearings or bushings to make everything line up again properly

Suspension dropping during an overnight parking

One of the most common causes of a low ride height is a failing air suspension ECU. The ECU controls the compressor, which supplies air to your RV’s suspension system. When it fails, this can cause your RV’s suspension to dip and fail to rise again; this is known as “droop” (low ride height).

The most common symptom of a faulty air suspension ECU is that it flashes a dash warning light on your dashboard until you take care of the problem.

If this happens, you may be able to find an inexpensive replacement online or at any auto parts store—but make sure you get one specific for your model; otherwise, it could end up being more trouble than it’s worth!

Troubleshooting Suspension dropping during overnight parking

If your RV is parked after leveling and all tires are off the ground, it will drop by itself. This is one of the common problems with this type of suspension system. A broken level sensor (also known as a height sensor) is usually the culprit.

If you have an automatic leveling system on your RV, you should have a height sensor at each corner of your vehicle. These sensors work by detecting whether or not they are above or below the normal ground level.

They can adjust air pressure accordingly and keep their position level on uneven surfaces such as parking lots, driveways, etc.

Air suspension warning light

One of the most common problems with air suspension systems is a fault in the ride height adjustment. When there’s a problem with the ride height adjustment, the suspension warning light on most RVs flashes yellow, and pressing the button often has no effect. The ride height of one or more Corner suspensions drops after parking.

Air leakages in the system usually cause this fault for most people who have noticed it on their RV or have been told by their mechanic that they have an air leak somewhere within the system.

Valves blockages are another reason for this problem, though slow air leakage will generally cause sagging when parked overnight and sometimes over days. This fault can be confirmed using OE Scanning/Diagnosis tool before starting any repairs on your AC system.

Troubleshooting Suspension Warning Light

If you are in a situation where the suspension warning light is on, and there is no fault code, try scanning it using an air spring diagnostic tool.

If this fails and only shows up as a blank screen display with no fault codes, then you can pressurize the suspension system using an external air compressor. This will help identify any leaks in the system and prevent it from going completely limp while driving.


What happens if air suspension fails?

Air suspension failure is one of the most common causes of vehicle accidents. Even though it’s not as dangerous as the other modes of transportation, accidents involving air suspensions are the most common cause of vehicle injuries. The air suspension systems are prone to various problems, including leaks, worn-out hoses, and misconnections.

What is the most common problem with air shocks?

Air shocks are the most common problem with air compressors. Common issues include overloading, overheating, and low gas pressure. A check of your compressor should identify the problem before you start experiencing any problems.


Keep in mind that the best way to avoid RV air suspension problems is to check your rig regularly and ensure it’s in proper working order. If you start noticing any of these issues or strange noises coming from under your RV, it’s time for a checkup!

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