2018 FORD F-150 5.0L COMPRESSED NATURAL GAS CONVERSION SYSTEM INSTALLATION INSTRUCTIONS
2018 F-150 5.0L INSTALLATION MANUAL
Page 18
8. Install CNG fuel rails unto the engine and into same location as
where OEM injectors t into.
Secure with four OEM bolts.
Torque to 89 in-lbs.
Note: Crossover hose is installed on step 9.
9. Connect both CNG fuel rails with the low pressure crossover hose.
Tighten each end to 30-35 ft-lbs. Also verify other end of each tting
is tightened to 30-35 ft-lbs.
Note: Minor adjustment to the low pressure hose position may be
needed to avoid abrasion with manifold tab. See picture below.
10. Attach OEM temp/pressure sensor unto fuel hose with the “T” tting.
Attach long end to the direct injection port.
Attach the gasoline incoming line unto the 90 degree connector.
Route the hose towards the back of the manifold facing the cabin.
11. Zip tie the temp/pressure sensor, tting, and gasoline port assembly
to the CNG to fuel rail. Tighten zip tie to the fuel rail.
LOW PRESSURE INSTALLATION
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