QX56 RWD V8-5.6L (VK56DE) (2006)
5. Remove the four bolts that mount the rear load leveling air suspension compressor assembly to the underbody.
INSTALLATION
Installation is in the reverse order of removal.
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To connect the rear load leveling air suspension hoses, the lock ring must be fully seated in the fitting. Insert the hose "B" into the lock ring "A"
until the lock ring "A" is touching the hose "B" as shown. Pull on the hose to check that it is securely inserted.