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Home >> Buick >> 1993 >> Roadmaster Base >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Fuel Pressure Regulator >> Removal (5.7L VIN P)

Removal (5.7L VIN P)

  1. Relieve fuel pressure. Remove fuel rails. See FUEL PRESSURE RELIEF (PFI)  and FUEL RAIL & INJECTORS (PFI) .
  2. Remove crossover tube retainer on right fuel rail. remove rear crossover tube retainer at pressure regulator on right fuel rail. Separate fuel rail assemblies.
  3. Remove pressure regulator bracket-to-fuel rail bolt. Remove bracket-to-regulator base bolt. Remove bracket. Remove fuel outlet tube-to-fuel rail bolt. Remove base-to-right fuel rail bolt.
  4. Remove pressure regulator assembly from fuel rail. Rotate pressure regulator and remove from outlet tube. Remove base-to-fuel rail connector tube. Remove "O" rings from connector tube, outlet tube and crossover tube.
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