3-130 FUEL SYSTEM (DFI)
Throttle Body Assy
Open the butterfly valves [A], and wipe any carbon off
the throttle bores [B] around the valves, using a piece of
lint-free cloth penetrated with a high flash-point solvent.
Clean the bores [C] of the inlet manifold [D] as well.
Blow away dirt or dust from the throttle body and the inlet
manifold by applying compressed air.
Do not immerse the throttle body (or throttle assy)
in a high flash-point solvent for cleaning.
could damage the throttle sensor on the throttle
Before installation, visually inspect the mating surfaces
[A] for any damage, like dent, nick, rust, flaw, and crack.
Nick or rust damage can sometimes be repaired by using
emery paper (first No. 200, then 400) to remove sharp
edges or raised areas.
If the damage is not repairable, replace the throttle body
and/or the inlet manifold to prevent leakage.
With a high flash-point solvent, clean off the mating sur-
faces and wipe dry.
Be sure to install the dowel pins [B].
Fit the new gasket [C] into the groove. Be careful not to
pinch the gasket between the mating surfaces.
Replace the flange seals [A] with new ones.
With a high flash-point solvent, clean off the flange sur-
face of the cylinder head and wipe dry.
Install the flanges [B] and seal so that the larger diameter
end face cylinder head.
The seal should be centered on the flange.
Apply a non-permanent locking agent to the inlet manifold
bolts, and tighten them.
Torque - Inlet Manifold Bolts: 9.8 N·m (1.0 kgf·m, 87 in·lb)
Install the lower end of the throttle cables in the throttle
Accelerator Cable [A]
Decelerator Cable [B]
Install the throttle body assy.
Torque - Throttle Body Assy Holder Bolts: 9.8 N·m (1.0
kgf·m, 87 in·lb)