Owner’sManual with Installation Instructions Banks TorqueTube System ® Jeep 4.0L I-6 models including: ‘91-99 Wrangler ‘91-99 Cherokee ‘93-98 Grand Cherokee ‘91-92 Comanche THIS MANUAL IS FOR USE WITH SYSTEM 51327 Gale Banks Engineering 546 Duggan Avenue • Azusa, ca 91702 (626) 969-9600 • Fax (626) 334-1743 Product Information & Sales: (888) 635-4565 Customer Support: (888) 839-5600 Installation Support: (888) 839-2700 bankspower.com ©2012 Gale Banks Engineering 04/13/12 PN 96433 v.5.
General Installation Practices Dear Customer, If you have any questions concerning the installation of your Banks Power system, please call our Technical Service Hotline at (888) 839-2700 between 7:00 am and 5:00 pm (PT). If you have any questions relating to shipping or billing, please contact our Customer Service Department at (888) 839-5600. Thank you. 1. For ease of installation of your Banks TorqueTubes, familiarize yourself with the procedure by reading the entire manual before starting work. 2.
Product available from Banks Power for the 1991-1999 Jeep 4.0L Banks Monster® Exhaust System (P/N 51311, 51312) -Increases exhaust flow, cuts backpressure, lowers exhaust gas temperatures (EGTs) and increases power. Banks Ram-Air Intake System (P/N 41816) -Increases your airflow over stock. -Adds power, improves fuel economy, lowers EGTs and reduces smoke. For More Information please call (888) 635-4565 or Visit us online @ www.bankspower.com 96433 v.5.
TorqueTube System Installation NOTE: Do not wrap TorqueTube. Wrapping the TorqueTube with exhaust wrap or thermo tape will void the TorqueTube warranty. Exhaust wrapping can cause the TorqueTube to crack and rust. The TorqueTube has been designed to operate efficiently and protect the engine components with out the use of wrapping. 1. Remove the air inlet hose from the throttle body and move it aside.
Figure 2 9. Remove the intake manifold from the engine block. Remove the remaining bolts (bolts 3,6 and 7) and remove the exhaust manifold. 10. Inspect the exhaust and intake mounting surfaces of the cylinder head and remove any rust or carbon that might prevent the TorqueTube or intake manifold from sealing. Be careful debris does not enter the engine ports. 11. Install the supplied gasket onto the cylinder head dowels.
13. Install bolts 1, 2, 4 and 5 about three turns into engine block. Guide the intake manifold onto the cylinder head dowels. Loosely install all remaining intake/exhaust factory bolts. Be sure Banks TorqueTubes and intake manifold seats flush as bolts are tightened. 14. Torque all exhaust and intake manifold bolts to 25 ft-lbs in the sequence shown (see Figure 3). Insert the supplied conical gasket onto the headpipe. Re-connect headpipe to the TorqueTube manifold with the supplied 3⁄ 8” hardware. 15.
Parts List, Jeep 4.0L TorqueTube System QTY description p/n 1 Assembly, TorqueTube 1 Gasket, Exhaust/Intake 51326 1 Gasket, Conical, Exhaust Outlet 93158 2 Hex Bolt, 3⁄ 8-16x2” 91466 4 Washer, 3⁄ 8 SAE Flat 91402 2 Nut, lock 3⁄ 8-16 91416 1 Lubricant, Anti-Seize 1-oz 90045 2 Decals, Banks Power 96004 93093 1 Decal, CARB E.O.
Gale Banks Engineering 546 Duggan Avenue • Azusa, ca 91702 (626) 969-9600 • Fax (626) 334-1743 Product Information & Sales: (888) 635-4565 Customer Support: (888) 839-5600 Installation Support: (888) 839-2700 bankspower.
