Banks Power Chevy_GMC Trucks: Duramax LB7 (Diesel ’01 - 04 6.6L) Forced Induction- BigHead Wastegate Actuator (LB7 pickup) User Manual
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Gale Banks Engineering
546 Duggan Avenue • Azusa, CA 91702
(626) 969-9600 • Fax (626) 334-1743
Product Information & Sales: (800) 438-7693
Customer Support: (888) 839-5600
Installation Support: (888) 839-2700
bankspower.com
the closed position and the actuator
bracket flush against the back of the
compressor housing. Remove the pin
and turn the rod end link five (5) full
turns in to shorten the rod.
WARNING: Be certain the end
link is adjusted correctly. If the
end link is adjusted more than
five (5) turns, overspeeding of
the turbocharger can result.
6.
Insert the rod end link pin into
the wastegate arm. Install a
1
⁄
4
" AN
washer and the locknut onto the pin
and tighten to 25 in-lb (not ft-lb). Be
careful not to over-tighten and
damage the pin.
7.
Install the lower actuator bracket
mounting bolt and engage the first
three (3) threads.
8.
Apply a regulated supply of air
pressure to the nipple of the actuator
(a standard Schraeder valve filler
attachment can be used) until the
actuator rod extends enough to allow
proper positioning of the actuator
mounting bracket.
9.
Install the second mounting bolt
and tighten both bolts, being careful
not to over-tighten them. Remove the
air pressure source from the actuator
once both mounting bolts are
tightened.
10.
Install the supplied
1
⁄
4
" actuator
pressure hose onto the wastegate
actuator nipple and compressor
outlet fitting, being careful to route it
safely away from close contact with
heat, moving objects and sharp
surfaces. Secure it using the two (2)
supplied
7
⁄
16
" spring clamps.
11.
Reinstall the turbine heatshield
using the three (3) factory bolts.
12.
2001 vehicles only: Remove the
rear hinge for the engine cover.
Install the supplied
3
⁄
8
" spacer under
the hinge and re-install the hinge
bolt. Re-install the engine cover (see
Figure 1).
13.
Start the engine and allow it to
warm up. Drive the vehicle, checking
for proper engine operation. Check
and adjust any clamps and mounting
hardware as needed.