John Deere — Replacing Fuel Filter Element
Maintenance
From a John Deere owner's manual covering: 4045TF120, 6068HF158, 6068TF120, 6068TF250. Check it applies to your exact model before use.
Applies to: John Deere 4045TF120, John Deere 6068TF120, John Deere 6068TF250
Before you start
- Escaping fluid under pressure can penetrate the skin causing serious injury. Relieve pressure before disconnecting fuel or other lines.
- Do not overtighten retaining ring.
Procedure
- Close fuel shut-off valve, if equipped.
- Thoroughly clean fuel filter assembly and surrounding area.
- Loosen drain plug and drain fuel into a suitable container.
- Grasp retaining ring and rotate it counterclockwise 1/4 turn. Remove ring with filter element.
- Inspect filter mounting base for cleanliness. Clean as required.
- Install new filter element onto mounting base; be sure element is properly indexed and firmly seated.
- Align keys on filter element with slots in filter base.
- Install retaining ring onto mounting base making certain dust seal is in place. Hand tighten about 1/3 turn until it snaps into the detent.
- Open fuel shut-off valve and bleed the fuel system. Tighten bleed plug.
Full service-parts list: John Deere 6068TF250 →
Source: John Deere owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.