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What Causes the Lack of Elasticity in Truck Air Suspension Seats?

2 Answers

Wright

07/25/25 2:18pm

The following situations can cause air suspension seats to lose elasticity: Air Leakage or Blockage: Air suspension seats require inflation to provide elasticity. Normally, the airbag automatically inflates after the vehicle starts. If the airbag does not inflate automatically after starting the vehicle, it may be due to air leakage or blockage between the airbag and the air tube. Issue with the Conversion Switch: There is a conversion switch located under the air suspension seat. If the conversion switch is locked, the seat will lose elasticity. Simply unlocking the conversion switch can resolve the issue. Improper Adjustment of the Air Control Valve: Try adjusting the air control valve of the air suspension seat to see if it solves the problem. Regular maintenance of the control valve is necessary, including frequent checks for any abnormalities in the shock absorber, such as oil leakage, cracks, detachment, or damage to connecting rods and other components.

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DiKylie

08/11/25 9:03pm

I've been driving trucks for over a decade, and it's quite common for the air suspension seats in trucks to lose their elasticity. The main reason is usually airbag aging and leakage, such as worn seals or small holes, causing the air to slowly escape. Another issue could be insufficient pump pressure or stuck valves, preventing air from being pumped in and leaving the seat hard. I often check it myself—if I hear a hissing sound of air leakage or the pressure gauge shows very low readings, I know there's a problem. Over time, fatigue in the airbag material is unavoidable. I recommend cleaning the dust from the seat base every six months to prevent buildup from affecting the air pressure system. The heavy vibrations during daily driving make it more prone to damage. I've found that regular simple maintenance for the seat system, like checking the air pressure, can extend its lifespan. Experienced drivers know this issue can range from minor to major, affecting comfort and even causing back pain. It's best to get it fixed at a repair shop as soon as possible rather than making do with it.

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