Ford 1997 Aerostar Workshop Manual page 10

1997 Aerostar/Ranger
Section 10-01: Fuel Tank, Filters, Lines and
Electric Fuel Pump
DESCRIPTION AND OPERATION
Fuel Lines
MFI engines use Teflon® stainless steel for fuel supply and return lines and carbon steel for vapor line in the
engine compartment. Outside the engine compartment the materials are nylon (Aerostar and Ranger).
On Aerostar, the plastic fuel tube assemblies are secured to the body rails with nylon wraparound clips and
push-in pins. The clips are located along the tube assembly by upsets on the fuel tube. On Ranger vehicles,
the plastic fuel and vapor tube assemblies are secured to the frame rails with integral clips.
Spring Lock Coupling
Fuel tubes which connect to MFI engines utilize spring lock couplings in the engine compartment instead of
the plastic or stainless steel push connect fittings. The spring lock couplings work by insertion of the fitting's
male end, which is surrounded by two O-rings, into a female flared end engine fitting. The coupling
engagement is secured by a garter spring which prevents the female flared end from becoming disengaged
from the male end.
Spring Lock Coupling Disconnect Tool D87L-9280-B or equivalent is used to disconnect the 12.7mm (1/2-
inch) spring lock coupling supply fitting. Tool D87L-9280-A or equivalent is used to disconnect the 9.52mm
(3/8-inch) spring lock coupling return fitting.
file://C:\TSO\tsocache\VDTOM_5368\SVK~us~en~file=SVKA1008.HTM~gen~ref.HTM
1997 Aerostar, Ranger, Equipped with 2.3L, 3.0L, and 4.0L
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Gasoline Engines Workshop Manual
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2011-04-29