Remove the air compressor fuse and leave the vehicle parked overnight. This is done to disable the height adjustment mechanism that provides air to the strut from the reservoir. If, after disconnection, overnight parking causes a drop in suspension height, then it is most probably due to a leak within the air circuit.
Parts and Tools Listed Below How to replace a EAS air compressor assembly on a Range Rover Sport or LR3 2005-2009 to alleviate the "Suspension Fault Normal
Turned out to be the water pump gasket, that was replaced. Once the water pump was fixed, not even 2 days later the LR3 started throwing a RED suspension fault: do not exceed 30 mph. That next day the front dropped and the back stayed raised. Now when you start the car an amber suspension light immediately comes on.
Battery and Alternator were ok. Pulled the fuses and reset the auto transmission ecu and the air suspension ecu. Found as suggested I had no brake lights. After reset found the vehicle checks were coming up ok and only when the brake pedal was pressed was the fault coming up again.
The top six reasons air suspension doesn’t work include the following: Blown fuse. Bad relay. Faulty compressor. Air leak. Faulty wiring. Faulty height sensor. In this post, you’ll learn the top causes of an inoperative air suspension message, how to diagnose your suspension problem, and also how to fix it.
The vehicle will start and run fine, drives fine for the 10mins or so. Then the fun begins. Suspension faults are shown on the dash, along with the rather annoying accompanying 'bong' for a few seconds then disappear only to return a few seconds later. This usually happens at traffic lights when stopped or in park and will cycle between fault
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discovery 3 suspension fault reset
