DeVille V8-4.9L VIN B (1995)
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Use care in removing pipe so as not to damage O-ring seating surface.
Disassemble
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Regulator O-ring and discard.
Assemble
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Lubricate new O-ring. Install new O-ring on regulator.
INSTALL OR CONNECT
1. Regulator return pipe in pressure regulator assembly. Tighten nut to 18 Nm (13 lb. ft.). Use backup wrench to prevent damage.
2. Pressure regulator and pipe assembly to fuel rail.
3. Pressure regulator attaching screw. Tighten Regulator attaching screw to 5 Nm (44 lb.in.).
4. Regulator return pipe attaching screw at rear rail. Tighten Return pipe attaching screw to 12 Nm (9 lb.ft.).
5. Fuel return pipe at rear rail.
6. Air cleaner upper housing.
7. Negative battery terminal. Perform TP Sensor/Idle Learn Procedure.
