Banks Power Chevy_GMC Trucks: Duramax LB7 (Diesel ’01 - 04 6.6L) Intake- Big Hoss Intake Manifold System '01-07 - Manual (Page 18)

18
96775 v.2.0
10.
Reinstall the high-pressure fuel
lines from the fuel rails to the injectors.
11.
Install the free end of the 5 ∕
16
” dia.
fuel return hose onto the relief valve
outlet nipple at the rear of the left hand
fuel rail. Pass the hose through the
opening between the runners at the
rear of the manifold and secure the
hose with an original fuel return spring
band clamp. See Figure 7.
12.
Install the fuel return line as-
semblies and clips on the tops of the
injectors. Reverse the line assembly on
the right bank injectors and reinstall it
so the common outlet line is at the rear
of the engine. Use the remaining 1 ∕
8
”
dia. hose to join the common outlets of
all the injectors to each side of the 1 ∕
8
”
plastic barb “T” at the rear of the fuel
line return cluster. See Figure 6.
13.
Apply a small drop of light oil to
the o-ring on the MAP sensor (not pro-
vided) and push sensor into the bore at
the front boss pad on the left manifold
plenum. Secure the sensor by install-
ing an M6 Nylock nut on the stud. See
Figure 7.
Note: Some sensors may require
bending the sensor mount tab to allow
installation of the nut.
14.
1 ∕
8
” and 1 ∕
4
” NPT pipe threads are
provided at the front and rear boss
pads on each manifold plenum. These
may be used for wastegate actuation
lines or other boost referenced com-
ponents such as a boost gauge. Install
1 ∕
8
” or 1 ∕
4
” NPT socket head pipe plugs in
any unused boost reference ports.
15.
Connect sensor leads to fuel
return temp sensor in engine valley and
MAP sensor. Reroute wire loom leads
as required to fit your installation.
This concludes the intake manifold
installation on the engine.
-END, SECTION 6-