Throttle Body Assy
Remove the fuel injectors [A] from the delivery pipe assy
Do not damage the insertion portions of the injectors
when they are pulled out from the delivery pipe assy.
Never drop the fuel injector especially on a hard
surface. Such a shock to the injector can damage
Throttle Body Assy Assembly
Before assembling, blow away dirt or dust from the throttle
body and delivery pipe assy by applying compressed air.
Replace the O-rings [A] of the joint pipe [B] with new ones.
Apply engine oil to the new O-rings, and insert it to the
delivery pipes [C].
Insert the joint pipe so that the short side [D] faces right
Left and right delivery pipes are identical.
Replace the O-rings [A] of each primary fuel injector [B]
with new ones.
Apply engine oil to the new O-rings, insert them to the
delivery pipe assy [C] and confirm whether the injectors
turn smoothly or not.
Replace the dust seals [A] with new ones.
Apply engine oil to the new dust seals.
Install the fuel injectors along with the delivery pipe assy
to the throttle body.
Torque - Delivery Pipe Assy Mounting Screws: 3.43 N·m
(0.35 kgf·m, 30 in·lb)
Install the throttle body assy (see Throttle Body Assy In-
FUEL SYSTEM (DFI) 3-65