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Detroit Diesel — Installation of Doser Block Assembly

Repair & overhaul

From a Detroit Diesel service manual — check it applies to your exact model before use.

Before you start

  • It is very important that the proper connectors be plugged into the correct valves/sensors in order to avoid system malfunction.

Procedure

  1. Install Doser Block Assembly using three bolts; torque bolts to 30-38 Nm (22-28 lb ft).
  2. Plug in connectors to FCV, FLP Sensor, FCP Sensor, and EDV.
  3. Connect dosing fuel line.
  4. Connect fuel line.
  5. Connect fuel return line to fuel pressure regulator.
  6. Tighten all connections securely.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Doser Block Assembly bolts: 30-38 Nm (22-28 Amazon eBay lb ft)

Source: Detroit Diesel 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.

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