Banks Power Jeep Trucks: (Gas ’07 - 11 3.8L) Exhaust- TorqueTubes system '07-09 3.8L Wrangler - Manual (Page 7)

96495 v.5.0
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23.
Inspect the exhaust mounting
surfaces of the cylinder heads
and clean away any deposits to
assure proper sealing of the Banks
TorqueTubes. Be careful when
doing this as the cylinder heads are
aluminum and can be easily damaged.
Use of a plastic scraper to clean the
aluminum surface is recommended.
INSTALL BANKS TORqUe TUBe
DRIveR SIDe
24.
On the driver side, install the spark
plug wire retainer bracket on the 1st
valve cover stud. Remove the factory
8-mm nut from the 1st valve cover stud,
install the bracket such that the long arm
is facing upwards.
25.
Reinstall the nut and tighten. See
Figure 4.
26.
Route the 4th & 6th cylinder spark
plug wires inside the cable clamp. Install
the cable clamp to the bracket using the
1 ⁄
4
” bolt, washers and lock nut assembly.
See Figure 4.
27.
Locate the supplied Insulated Sleeve
in your kit. Use the Insulated Sleeve to
protect the spark plug wire to cylinder
4 and 6 located on the driver side of the
engine. See Figure 4. Slide the insulated
sleeve over the spark plugs and make
sure the sleeve covers the spark plug
boot and the wire up to the cable clamp.
Note: Original manufactured spark
plug wires are numbered. If your spark
plug wires are not numbered then see
Figure 4.
28.
Place a small amount of anti-seize
compound on the threads of each of
the supplied 12-TorqueTubes 8mm
bolts.
Note: When installing the bolts be
careful not to cross thread in the
aluminum threads of the cylinder
head.
29.
Locate the supplied Banks
exhaust manifold gasket. Align the
gasket to the driver side TorqueTubes.
Install the TorqueTubes and gasket
assembly to the cylinder head. Secure
the TorqueTubes with six (6) of the
supplied 8mm bolts. Torque the 8mm
bolts to 20 ft-lbs.
30.
Reinstall the previously removed
steering knuckle u-joint bolt. Make
sure that the knuckle u-joint and the
steering shaft are aligned utilizing
previously drawn line. See Figure 3.