VSP-1 Lycoming Oil Pump Impeller and Drive Replacement

Piper Vendor Service Publication No. 1

Referenced Vendor: AVCO Lycoming Service Bulletin No. 385C dated October 3, 1975

Applicability: See chart on page 3 for affected Lycoming engine models

System: Engine

Issue Date: March 8, 1976

Subject: Oil Pump Impeller and Drive Replacement

Summary: Replacing the oil pump drive shaft and drive impeller in select Lycoming engines.

Open PDF: PIP_VSP-1.pdf