The present application provides a method of mounting lip seals within a sleeve assembly of a fuel nozzle. The method may include the steps of sliding a first lip seal along a second diameter tube until the first lip seal contacts a first tube flange of a first diameter tube, sliding a seal spacer along the second diameter tube until the seal spacer contacts the first lip seal, and sliding a second lip seal along the second diameter tube until the second lip seal contacts the seal spacer.