SEAT Workshop Service and Repair Manuals > Leon Mk1 > Power unit | 4-cyl. diesel engine | Exhaust turbocharger, G-charger

Checking pressure unit for charge pressure regulating valve

(Only engine code AGR)

Check conditions

l	Engine oil temperature min. 80 °C.

Test sequence

–	Pull off charge pressure control solenoid valve -N75--1- connectors -2-.

–	Start engine and raise to maximum speed briefly by operating throttle. The operating rod -2- for charge pressure regulating valve must move.

If the operating rod does not move:

–	Check charge pressure regulating valve lever -1- for ease of movement. When corroded together, renew turbocharger.

If the operating rod does not move, even though the lever is free to move:

–	Renew pressure unit for charge pressure regulating valve -3-.

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