Answer Hello Tom, First, check under the unit for oil. If oil gets on the sunbber WP21002026 or if the unit was operated for a long time sitting un-level, the snubber will probably need to be replaced. The snubber should have no lubrication at all. The assembly goes together dry. It doesn't even use a dry lubricant. Read More... Answered by AppliancePartsPros.com | Monday, April 30, 2012