John Deere — Remove and Install Air Purge Valve
Maintenance · Air purge valve (fuel filter outlet side)
From a John Deere service manual — check it applies to your exact model before use.
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Procedure
- Disconnect fuel line or remove elbow as required.
- Remove air purge valve.
- Install air purge valve and tighten fuel line to specification.
- Install elbow and diagnostic port fitting if removed; tighten.
- Install cap.
Specs & values
- Fuel line-to-fuel filter/air purge valve: 24 N•m (18 lb-ft)
- Air purge valve diagnostic port fitting: 24 N•m (18 lb-ft)
Source: John Deere service 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.