Reductant Pump and Heater Assembly: Removal

WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

All Vehicles

NOTE: SCR components are very sensitive to external contamination. Any possible measure should be taken to prevent contamination from entering the system while servicing it.

NOTE: Discard the drained reductant fluid. Always refill the reductant tank with new reductant fluid to avoid reductant system contamination.

NOTE: Fresh reductant fluid should be the only lubricant used in the assembly of these components. The use of any other lubricant, ESPECIALLY PETROLEUM BASED LUBES, may cause damage to the system.

NOTE: Reductant fluid can corrode some metals. Reductant fluid must be stored and transported carefully. Reductant fluid must be disposed of according to local regulations.

NOTE: Petroleum contamination will cause permanent damage to the reductant system.

Remove the reductant tank. Refer to: Reductant Tank .
Inboard Frame Mounted Reductant Tank
Remove the pushpins and the lower reductant tank cover.

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Outboard Frame Mounted Reductant Tank
Remove the lower reductant tank cover.

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All vehicles
NOTE: Inboard frame mounted reductant tank shown, others similar.
- Disconnect the reductant pump and heater assembly electrical connector.
- Use clean low pressure water to remove any foreign material from the reductant pump and heater assembly and surrounding area before removal. Use regulated low pressure compressed air to remove the residual water from the reductant pump and heater assembly.
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NOTE: Inboard frame mounted reductant tank shown, others similar.

Using the Fuel Tank Locking Ring wrench, remove the reductant pump and heater assembly locking ring. Use Special Service Tool: 310-123 Locking Ring, Fuel Tank.

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NOTE: Inboard frame mounted reductant tank shown, others similar.

NOTE: Note the orientation of the reductant pump and heater assembly locator tab for installation.

Remove the reductant pump and heater assembly from the reductant tank.

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NOTE: Inboard frame mounted reductant tank shown, others similar.

Remove and discard the reductant pump and heater assembly seal.

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