Aeromotive 14102 - 86-95 5.0L GT & COBRA FUEL RAIL SYSTEM User Manual
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The following steps are typical of most installations:
1. Once the engine has been allowed to cool, disconnect the negative battery cable and relieve fuel
system pressure, referring to the appropriate vehicle service manual for the procedure on doing so.
2. Remove the air intake ducting from the throttle body and position it out of the way.
3. Note the location of and remove any vacuum lines connected to the upper intake manifold and
position them out of the way.
4. Remove the throttle cable from the throttle body; referring to the appropriate vehicle service manual
for the procedure for doing so.
5. Unplug the TPS sensor, which is typically located on top of the throttle body.
6. Remove the nameplate on the top of the upper intake manifold by removing 4 screws.
7. Remove the upper intake manifold bolts (Typically there are 6 of them).
8. Gently remove the upper intake from the engine. Place clean shop towels into or tape up the lower
intake ports to prevent any material from entering the intake.
9. Carefully clean the old gasket material from both manifolds, while preventing any debris from entering
the intake manifold ports.
10. Check for any dirt or debris around the fuel injectors. If any is evident, wash it off with some solvent
parts cleaner or wipe it off with a clean shop towel.
11. Disconnect the electrical connector at each injector, making note of the location of each.
12. Disconnect both the supply and return fuel lines from the OEM fuel rails. These lines are attached by
a special quick disconnect fitting which requires a special tool for removal. Place clean shop towels
around the open fuel lines to catch any gasoline that may drip out and to prevent any dirt from
entering the fuel lines.
13. Remove the vacuum line from the fuel pressure regulator.
14. Remove the bolts that attach the fuel rail to the lower intake (Typically there are 4 of them).
15. Place clean shop towels around the injectors to catch any gasoline that may be spilled during their
removal. Remove the injectors from the manifold by gently pulling upward on the fuel rail / injector
assembly. Keep all injectors connected to the fuel rails. If an injector does pull out of the fuel rail, it
may spill a large amount of fuel.
16. Carefully remove the fuel injectors from the OEM fuel rail.
17. Remove the old o-rings from the fuel injectors, inspect the injectors for any dirt or debris and clean if
needed. It is suggested that the old o-rings be replaced, contact your local Ford parts dept.
18. Coat the new fuel injector o-rings with a light oil to ease installation.
19. Carefully install the new fuel injector o-rings on the injectors.
20. Place a thin coat of light oil in the fuel rail fuel injector bores and in the lower intake manifold injector
bores to help prevent cutting the o-rings during installation.