John Deere — Bleeding Fuel System (Stanadyne DE10)
Maintenance
From a John Deere operator's manual — check it applies to your exact model before use.
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Before you start
- Relieve pressure before disconnecting fuel lines.
Procedure
- Loosen air bleed vent screw two turns on fuel filter base.
- Operate fuel supply pump primer lever or primer button.
- Tighten bleed screw when fuel flows free of bubbles.
- Continue priming until pumping action is not felt.
- Start engine and check for leaks.
- If needed, bleed at injection pump return line.
- If needed, bleed at injection nozzles.
- Tighten connections to 27 N·m.
Tools required
- open-end wrenches Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Fuel injection pump return line torque: 27 N·m (20 lb-ft)
Source: John Deere operator'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.