Vacuum Diagrams: Instructions

NOTE: Unless otherwise specified, references to Pickup include the F350 Super Duty comercial chassis.

engine calibration numder can be found on Emission Calibration Label located on driver's door or "B" pillar post. See . Using calibrated number and appropriate VACUUM DIAGRAM INDEX, determine which vacuum diagram is used for vehicle being serviced.

Fig 1: Emission Control Label Example

Courtesy of FORD MOTOR CO.