F 550 4WD Super Duty V10-6.8L (2009)
EGR Cooler: Service and Repair
Exhaust Gas Recirculation (EGR) Cooler Leak Test
1. NOTE: The original cooler mounting fasteners can be used or M8 fasteners may be procured locally.
Using 4 M8 bolts and nuts, install the EGR Cooler Test Plates to each end of the EGR cooler.
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Tighten the 4 nuts to 31 Nm (23 lb-ft).
2. NOTICE: Do not exceed 207 kPa (30 psi) at any time, excessive pressure can damage the Exhaust Gas Recirculation (EGR) cooler.
Connect a regulated air supply and slowly adjust the air pressure until 207 kPa (30 psi) is reached, then shut off the air supply.
3. Completely submerge the EGR cooler in water. Inspect for air bubbles coming from the coolant passages.
4. Return the EGR cooler assembly to service if no leaks are detected. If leaks are detected, install a new EGR cooler assembly.
