Range Rover Air Suspension - Find the Problem, Repair it, and Reset Your Ride Height

Range Rover Air Suspension - Find the Problem, Repair it, and Reset Your Ride Height

The Range Rover is famous for its off-road capability, thanks to its air suspension.range rover valve block However, the system is prone to air leaks that cause the front or rear of the vehicle to sag. This article is designed to help you find the problem, repair it and reset your ride height.

The air pressure valve block is the main controller for the air suspension in your range rover.range rover valve block It distributes air from the compressor to the air bags and air struts. Over time, o-rings in the valve block can dry out, causing air leaks and overworking the compressor. The result is overheating and possible failure of the electrical solenoids in the compressor. In some cases, the air pressure valve will fail completely. This can cause the struts and bags to sag on the ground. This can be a serious safety issue.

The range rover air suspension valve block has a few different parts that can fail.range rover valve block These include the o-rings in the air lines, the valve blocks, the air pressure control valve, and the compressor. You should check each of these parts to see if they are in need of replacement.

To do this, start by getting a spray bottle and filling it with soapy water.range rover valve block Squirt this over the entire air suspension system, including the bags, struts, and airlines to the bags. Look for bubbles that appear in the air lines as you do this. If you notice any bubbles, you have a leak that needs to be fixed. Once you have sprayed the system, measure your ride height from the center of each wheel to the bottom of the wheel fender. Repeat this on all 4 wheels, writing down the results. If one wheel is lower than the others, you have a problem with the air pressure valve.

A common problem with the Range Rover air suspension is a leak in the air pressure valve block. This can be caused by a defective or damaged o-ring, worn out valve stem or even corrosion on the piston and plunger in the valve block. The easiest way to diagnose a problem with the air pressure valve block is by looking at the air lines. Typically, the air line with the brass fitting is the air pressure valve, while the green one is the pressure switch. The valve stems are also differentiated by the size of their rubber foot and the tapered body. The valve stem is also inserted through a small brass o-ring, which can wear out and develop leaks over time.

To remove the valve block, first remove the wiring loom/connector and undo the four Allen key bolts at the base of the unit. Next, remove the five solenoid covers on top and two underneath, noting their orientation for re-installation. Once the covers are removed, the air valves can be accessed individually. Remember to re-insert the air lines with their olives, using a light smear of lube if necessary to prevent them from stripping.

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