HD19 Vent Left Rear Spring

^ In order to determine why the left front corner of the vehicle is venting Very Slowly or None at all the following actions are required:

^ Disconnect left rear air line from left rear air spring solenoid valve.

^ Release STAR test button so that it remains in the HOLD position after code 27 has been displayed for at least 5 seconds.

NOTE: This step may result in a rapid loss of vehicle ride height.

^ Left rear corner of vehicle has vented down to normal ride height:

Very slowly or none at all -- DEPRESS STAR test button down so that it remains in the TEST position. Then GO to HD24.

At a fast or normal rate -- DEPRESS STAR test button down so that it remains in the TEST position. Then GO to HD2O.