AEM 25-108BK High Volume Fuel Rail - Manual (Page 6)

f) Remove the old o-rings that are on top of the injectors. Coat the new o-rings, supplied with the kit,
with clean engine oil and install them onto the injectors.
g) Insert the o-ring end of the injectors into the AEM Fuel Rail.
h) Coat the seal rings with clean engine oil and then install them into the intake manifold.
i)
Install the fuel rail/injector assembly back onto the vehicle. Make sure that all of the seals and o-
rings are properly seated, and installed without damage.
j) Your AEM Fuel Rail was designed to accommodate two different generations of the Civic.
i)
If you are installing the fuel rail on an 88-91 Civic/CRX you will need to install 2 mounting
spacers into the machined pockets on the mounting flange of the rail. (Fig. 7)
ii) If you are installing the fuel rail on a 92-95 Civic there is nothing additional needed for proper
installation to the intake manifold.
k) Install and tighten the fuel rail retainer nuts to 9lb-ft.
Fig. 7
l)
Install the fuel pressure regulator onto the AEM Fuel Rail. Make sure that the o-ring is properly
installed between the regulator and the fuel rail.
m) Connect the vacuum hose to the top of the fuel pressure regulator. Some installations require the
replacement of this hose with one that is longer.
n) Remove the injector harness from the plastic case. Re-route the harness behind the rail and re-
connect the harness to the injectors.
o) Install the fuel supply line to the AEM Fuel Rail.
i) Be sure that a crush washer is positioned on both sides of the banjo fitting.
ii) Torque the retaining nut to 12lb-ft. D O NOT OVER TIGHTEN .
iii) Make sure the plug on the end of the fuel rail is tight.
p) Install any remaining components that were removed during disassembly.