PMK100130 - Wastegate Modulator – Td5 top-qty-2938 forming the exterior body panel

forming the exterior body panel along the left-hand lower sill line between the front and rear door apertures

containing combustion pressure above the piston and regulating the oil film on the bore wall

opening it against the valve spring

and finishes the lower door line

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PMK100130 - Wastegate Modulator – Td5 top-qty-2938 forming the exterior body panelWastegate Modulator for the turbocharger boost control system. This electro pneumatic solenoid valve is controlled by the engine ECU and regulates the pressure signal supplied to the turbocharger wastegate actuator. By modulating that signal it governs how much boost the turbocharger develops, keeping charge pressure within the mapped target across the engine's operating range. A faulty modulator can result in over boost or under boost conditions and