Banks Power Chevy_GMC Trucks: Gas ’99 - 14 4.3,4.8,5.3,6.0,6.2,8.1 Exhaust- Torque Tubes System '99-08 GM 4.8L, 5.3L, 6.0L & '09-10 GM 5.3L Pickups & SUVs - Manual (Page 5)

96410 v.4.0
5
Figure 4 Figure 5
Note: the gaskets have markings
stamped in them for proper
orientation.
Retain the TorqueTubes with six (6) of
the supplied 8mm bolts. Torque bolts
to 18 ft-lbs.
13.
If your vehicle is equipped with
air injection and EGR fitting then
locate previously removed hardware
and supplied gaskets. Reconnect air
injection tubes and EGR tube to the
TorqueTubes manifolds. Tighten the air
injection and EGR fitting to 8-10 ft-lbs.
14.
Locate the supplied ring gasket
and conical seal from your kit. Install
the gaskets into the Y-pipe flange
groove. See Figure 4 and Figure 5
for reference.
Note: Some model years do not
have a conical seal on the Y-pipe but
instead utilize a ring gasket for both
Y-pipe flanges.
If the passenger-side Y-pipe flange is
flat, install a ring gasket (Banks p/n
93167, GM p/n 1507-7362) into the
Y-pipe groove. See Figure 4. If the
Y-pipe flange has a flare, install the
conical gasket (Banks p/n 93163, GM
p/n 1503-5747) into the TorqueTubes.
See Figure 5.
15.
Reconnect and tighten the outlet
flange to the Y-pipe using the supplied
3 ⁄
8
bolt, washer and nut. Torque the
six (6) Y-pipe flange bolts to 35 ft-lbs.
Note: If you have previously
disconnected the steering shaft,
reinstall the knuckle u-joint bolt. make
sure that the knuckle u-joint and the
steering shaft are aligned utilizing
previously drawn line. See Figure 3.
16.
Reinstall the dipstick tube.
For 2009-2010 models only, use the
supplied spacer and 10mm bolt. Install
the bolt through the dipstick tube
bracket then through the spacer and
into the cylinder head.
Note: the spacer and 10mm bolt are
packaged in an individual package.
17.
Reconnect spark plug wires.
Note: If previously removed, reinstall
the front left and right wheel liner
using the factory plastic retainer pins.