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Home >> Buick >> 1993 >> Roadmaster Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Fuel Pressure Regulator >> Installation

Fuel Pressure Regulator: Installation

To install, reverse removal procedure. DO NOT  reuse "O" rings. Lubricate fuel rail seal with oil and install in regulator. Tighten bolts to specification. See TORQUE SPECIFICATIONS .

NOTE: On 3.4L VIN S models, fuel regulator and fuel rail are serviced as an assembly only. DO NOT  remove regulator cover from fuel rail.


  1. To install, reverse removal procedure. Lubricate NEW "O" rings with oil. Install fuel return "O" rings on fuel rails. Fuel return "O" rings are larger in diameter than connector tube "O" rings.
  2. Tighten bolts to specification. See TORQUE SPECIFICATIONS .


To install, reverse removal procedure. Install NEW "O" rings and lubricate with clean engine oil. Tighten retaining bolts to specification. See TORQUE SPECIFICATIONS .

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