Clean the tubes with solvent and dry with compressed air.
Inspect the tubes for cracks or leaks.
Replace any damaged components.
Inspect the sealing o-ring for cracks or distortion, replace as necessary.
NOTE: If the EGR cooler coolant inlet tube shows signs of leaking, inspect both the sealing o-ring and the EGR
coolant inlet bore for signs of cracks, damage, or distortion.
