How to clean Stanadyne DB4 fuel injection pump?
How to clean Stanadyne DB4 fuel injection pump? All Stanadyne DB4 and most DB2 injection pumps will have a retained drive shaft (shaft stays in the pump when pump is removed from engine). Clean the exterior of the injection pump and mounting surfaces. IMPORTANT: Never steam clean or pour cold water on an Injection pump while the pump is running or while it is warm. How to check the timing on a Stanadyne pump? Use care not to damage the end of the injection pump drive shaft. Check to make sure marks are present, and lined up, on both the...