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Home >> Volvo >> 1998 >> S70 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Fuel System Pressure Release
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Fuel System Pressure Release

  1. Remove throttle pulley cover. Remove shield over valve on fuel rail. Connect Adapter (999 5484 ) to Fuel Drainage Unit (981 2270 , 2273 and 2282 ). Connect adapter to valve on fuel rail, ensuring adapter is in locked position. Start fuel drainage unit. Unlock adapter. Raise and support vehicle.
  2. Remove fuel filter valve cap located under vehicle. Connect Vent Hose (999 5480 ) to valve before fuel filter. System drain time is about 2 minutes.