Acura 3.5 RL Manual page 422

Fuel Supply System
Fuel Pressure Regulator (cont'd)
Removal
Do not smoke while working on fuel sys-
tem. Keep open flame away from your work area.
1. Remove the strut bar.
2. Remove the engine cover.
3. Relieve fuel pressure (page 11-132).
4. Disconnect the vacuum hose and fuel return hose.
5. Loosen the locking nut, and remove the fuel pres-
sure regulator.
WASHER
O-RING
Replace.
LOCKING NUT
29 N-m (3.0 kgf-m,
22 Ibf-ft)
Reassembly
1. Install the fuel pressure regulator in the fuel rail. Turn
it by hand until it stops.
2. Turn the fuel pressure regulator counterclockwise to
set the angle as shown.
3. Tighten the locking nut.
NOTE:
• Replace the O-ring.
• When assembling the fuel pressure regulator,
apply clean engine oil to the O-ring and assem-
ble it into its proper position, taking care not to
damage the O-ring.
FUEL RAIL