John Deere 4045 / 6068 — Remove and Install Fuel Rail Pressure Sensor
Repair & overhaul
For the John Deere 4045 / 6068, from the John Deere service manual.
Applies to: John Deere 4045, John Deere 6068
Before you start
- Fuel in the high pressure common rail is under extremely high pressure. Relieve pressure before opening rail.
Procedure
- Turn engine OFF and let sit 5 minutes to relieve rail pressure.
- Thoroughly clean fuel lines, fittings, components and chamfered area around the sensor.
- Disconnect sensor wiring and remove sensor (do not reuse).
- Coat new sensor threads with JDT405 High Temperature Grease; do not get grease on sensor tip.
- Install new sensor and torque to 98 N·m.
- Reconnect sensor wiring.
- Bleed the fuel system.
Tools required
- JDT405 High Temperature Grease Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Fuel Rail Pressure Sensor 98 N·m (72 lb-ft)
Full service-parts list: John Deere 4045 →, John Deere 6068 →
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.