Front Air Spring Damper Hydraulic Fluid Leak
This technical bulletin addresses a condition where a ‘knock’ sound may be evident from one or both front air springs when traveling over speed bumps at low speed.
The cause of this condition is a leak from the hydraulic damper chamber of the air spring.
Service Instruction
To diagnose, remove the air spring and invert it for one minute to check for hydraulic fluid leaking from the air suspension pipe ‘VOSS’ connector.
If hydraulic fluid is leaking, replace the front left and right air springs.
Refer to TOPIx for additional related diagnosis and repair information.
Manual:
Download: Range Rover Sport (LW) and Range Rover (LG) Model Year: 2013 Onwards Technical Bulletin
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