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dirty.
Installation
To install, reverse removal procedure. DO NOT reuse "O" ring.
Lubricate fuel inlet "O" ring with oil and install into regulator.
Replace filter screen as necessary. Tighten screws to specification.
See TORQUE SPECIFICATIONS.
Removal & Installation (2.2L - Saturn)
Relieve fuel pressure. See
FUEL SYSTEM PRESSURE RELEASE (GASOLINE). Disconnect vacuum line from
fuel pressure regulator. Remove 2 retaining bolts and fuel pressure
regulator. Discard "O" rings. To install, apply clean engine oil onto
both NEW "O" rings. Install small "O" ring onto fuel pressure
regulator and large "O" ring into fuel rail. Install fuel pressure
regulator onto fuel rail and tighten retaining bolts to specification.
See TORQUE SPECIFICATIONS. Reconnect vacuum line.
Removal (3.0L, 3.1L & 3.4L)
1) Relieve fuel pressure. See
FUEL SYSTEM PRESSURE RELEASE (GASOLINE). Disconnect negative battery
cable. Remove intake manifold plenum and gaskets. Disconnect pressure
regulator vacuum hose. Remove fuel return line and "O" ring from
pressure regulator.
2) Remove fuel pressure regulator screws. Remove fuel
pressure regulator from fuel rail. Remove pressure regulator retainer
and spacer assembly from fuel rail, if equipped. Remove fuel inlet "O"
ring from fuel pressure regulator. Remove and discard filter screen if
dirty.
Installation
To install, reverse removal procedure. DO NOT reuse "O" ring.
Lubricate NEW fuel inlet "O" ring with oil and install into regulator.
Replace filter screen as necessary. Tighten screws to specification.
See TORQUE SPECIFICATIONS.
Removal (3.5L, 3.8L, 4.0L & 4.6L)
Relieve fuel pressure. See
FUEL SYSTEM PRESSURE RELEASE (GASOLINE). Disconnect negative battery
cable. On 3.5L, remove fuel injector sight shield. On all models,
disconnect pressure regulator vacuum hose. Remove pressure regulator
snap ring. Lift and twist pressure regulator from pressure regulator
housing attached to fuel rail. Remove back-up "O" ring, large "O"
ring, filter screen and small "O" ring from pressure regulator
housing.
Installation
To install, reverse removal procedure. DO NOT reuse "O"
rings. Lubricate NEW "O" rings with oil and install into regulator
housing. Install snap ring.
Removal (5.7L - Camaro & Firebird)
Relieve fuel pressure. See
FUEL SYSTEM PRESSURE RELEASE (GASOLINE). Disconnect negative battery
cable. Drain fuel tank. Remove fuel tank. Remove fuel sender assembly
from fuel tank. Remove pressure regulator retaining ring. Remove
pressure regulator from housing on fuel return pipe. Remove large "O"
ring and small "O" ring from pressure regulator.
Installation
To install, reverse removal procedure. DO NOT reuse "O"
rings. Lubricate NEW "O" rings with oil and install onto regulator.
Replace filter screen as necessary. Install retaining ring.
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