LSx CHEVROLET TOP MOUNT
Installation Manual
For Systems without A/C
#13455 / #13475
500 Shawmut Ave. • La Grange, IL 60526
Tech (708) 588-0505 • Fax (708) 588-7181
Billet Specialties, Inc.
www.billetspecialties.com • Tech Line 708.588.0505
2
LSx Top Mount Tru Trac - 13455 / 13475
3
PLEASE READ ALL INSTRUCTIONS BEFORE INSTALLING ANY
COMPONENTS OF THE TRU TRAC SERPENTINE SYSTEM
Tech Line: 708.588.0505
Fax: 708.588.7181
www.billetspecialties.com
Important:
Thoroughly read the instructions, the removal and installation of the damper requires
special tools, if after reading the instructions and you feel you may not be able to
install the damper correctly Billet Specialties recommends you to have a professional
mechanic perform the installation.
Required Tools & Materials
Anti-seize Compound
LocTite 272 Thread Locker
1/2" Drive Impact Wrench
Torque Wrench Capable of 250ft/lbs.
Damper Installation Tools
GM Part Number Description
J-41816 Crankshaft balancer remover or similar
J41816-2 Crankshaft balancer remover step plate
J-42386-A Flywheel holding tool
J-41665 Crankshaft balancer and sprocket installer
J-41478 Crankshaft front oil seal installer
J-45059 Angle Meter
Included Serpentine Belt
With P/S Goodyear 6-Rib Poly-V Serpentine Length: 63.0" #4060630
Without P/S Goodyear 6-Rib Poly-V Serpentine Length: 61.0" #4060610
1/4” Hex Key
3/16” Hex Key
5/16” Hex Key
1/2” Combination Wrench
3/4” Combination Wrench
TECH TIP:
Billet Specialties recommends the use of Anti-Seize on all fasteners
to prevent thread lock-up.
5mm Hex Key
6mm Hex Key
8mm Hex Key
Packaged With Power Steering Pump Packaged With Water Pump
x3
10mm-1.50 x 25mm Set Screw
1.425" Stand-Off
x3
x3
8mm-1.25 x 92mm Block Mounting Stud
8mm-1.25 x 118mm Block Mounting Stud
Socket Wrench & Extension
1/2" Drive Breaker Bar
10mm 12pt. Socket
12mm 12pt. Socket
1-1/16" 12pt. Socket
3/8” 12pt. Socket
5/8" Hex Socket (1/2" Drive)
24mm Hex Socket (1/2" Drive)
x3
x2
8mm-1.25
Hex Nut
Discard After Use
x2
10mm-1.50 x 20mm Socket Head Cap Screw
5/16-18 x 2-3/4" Socket Head Cap Screw
x2 x2
5/16"
Lock Washer
x1
8mm-1.25 x 95mm Socket Head Cap Screw
x2
1.103" Stand-Off 1.035" Stand-Off
x3
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LSx Top Mount Tru Trac - 13455 / 13475
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Packaged In Main Box
x4
x1
5/16-18 x 1" Hex Head Cap Screw
x1
3/8-16 x 3/4" 12pt. Cap Screw
x2
8mm-1.25 x 25mm 12pt. Cap Screw
3/8-16 x 2-1/4" 12pt. Cap Screw
x1
x1
5/16"
Flat Washer
8mm-1.25 x 25mm Flat Head Cap Screw
x2
8mm-1.25 x 40mm Flat Head Cap Screw
x4
5/16-24 x 3/4" Socket Head Cap Screw
x3
3/8-16 x 1-1/4" Socket Head Cap Screw
x3
3/8"
Bellville Washer
x1
10mm-1.5 x 70mm 12pt. Cap Screw
LSx Damper Bolt - GM Part #12557840 x1
x2
.5mm
Shim Washer
x2
1mm
Shim Washer
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LSx Top Mount Tru Trac - 13455 / 13475
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Engine Prep
• Disconnect battery
• Remove existing accessory drive and water pump
• Remove factory crank pulley bolt with an impact wrench and 24mm socket
• Save the existing crank bolt, you will need it later
• Remove crank pulley/damper with the recommended tools:
• J-41816 Crankshaft balancer remover or similar
• J-42386-A Flywheel holding tool
• J-41816-2 Crankshaft balancer remover step plate
• Clean gasket areas, inspect front crank seal and replace if necessary
GM P/N 12585673
• Leave flywheel holding tool in position for damper installation
Install Crank Damper
Source: GM document #642784
Recommended Installation Tools:
• J-41665 Crankshaft balancer and sprocket installer
• J-41478 Crankshaft front oil seal installer - Use threaded rod and nut only
• J-42386-A Flywheel holding tool
• J-45059 Angle meter
• Inspect crank snout for burrs or scratches - clean up with fine emery cloth or steel wool.
• Slide the new damper on crank snout as far as possible.
• Use the J-41665 and the threaded rod and nut from J-41478 in order to install the balancer.
• Assemble the threaded rod, nut, washer and installer. Insert the smaller end of the installer
into the front of the balancer.
IMPORTANT: The nose of the crankshaft should be recessed 2.4 - 4.48 mm (0.094 - 0.176 in)
into the balancer bore. Remove the old bolt and measure the hub to crankshaft distance.
Installing New Crankshaft Bolt
• Coat the three to five threads of the new bolt with LocTite 272 thread locker.
Notice: Be sure to follow the torque procedure for installing the new crankshaft bolt. Use of
impact tools, or not using torque and angle method will result in joint failure.
• Install and tighten the new crankshaft bolt a first pass to 37 ft.lbs. (50N·M)
• Put a paint stripe on the bolt running from the 12 o'clock to the 6 o'clock position in order to
verify the correct torque requested in the next step.
IMPORTANT: When tightening for the second pass, a minimum torque of 236 ft.lbs. (320 N·M)
should be observed. If this torque is not achieved, the bolt (GM part #12557840) should be
replaced.
• Tighten the crankshaft balancer bolt a second pass to 140 degrees using the J-45059.
IMPORTANT: Recheck the position of the previously painted stripe to assure 140 degree
rotation. Achieving the correct torque angle is critical to the success of this repair.
Over-torquing or under-torquing the joint will result in an unsatisfactory installation.
• Remove the J-42386-A Flywheel Holding Tool.
• Using a wrench hold the hex end of the threaded rod. Use a second wrench and rotate
the installation tool nut clockwise until the balancer is started onto the crankshaft.
• Remove the tool and reverse the tools direction. Position the larger end of the installer
against the front of the balancer.
• Using a wrench hold the hex end of the threaded rod. Use a second wrench and rotate
the installation tool nut clockwise until the balancer is installed onto the crankshaft.
• Remove the balancer installation tool.
• Install the old balancer bolt and tighten. Tighten old balancer bolt to 240 ft.lbs. (330N·M)
IMPORTANT: Failure to apply proper torque to the old balancer bolt may result in the
balancer not being fully seated. This could lead to failure of this joint in the future.
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LSx Top Mount Tru Trac - 13455 / 13475
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A
A A
B
B
C
B
Figure 1: Install Water Pump
Apply anti-seize to one end of each of the three 8mm-1.25 x 92mm long threaded studs and
the two 8mm-1.25 x 118mm long studs. Use the two included 8mm-1.25 zinc plated nuts
tightened against each other to act as a drive nut to ease installation if needed.
[A] Thread the three 92mm studs into the passenger side of the engine block, installed height
should be 3” from block.
[B] Follow by threading in the two 118mm studs into the driver side of the engine block,
installed height should be 4” from block.
[C] Slide water pump gaskets over studs, followed by the water pump. Apply anti-seize to the
exposed threads of all the studs.
[D] Thread the three stainless stand-offs with machined groove (1.035") onto the passenger
side of the water pump and finger tighten.
A
Figure 2: Install Alternator Bracket
[A] Slide the alternator bracket onto the driver side studs. Thread the remaining two short
spacer nuts (1.103") onto the threaded studs and finger tighten.
[B] Finish by threading the 8mm-1.25 x 95mm socket head cap screw through the alternator
bracket and water pump into the engine block. Tighten all fasteners firmly at this time.
D
D
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LSx Top Mount Tru Trac - 13455 / 13475
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A
B
A
C
Figure 3: Install Tensioner & Bracket
Apply anti seize to the threads of the following:
(1) 8mm-1.25 x 25mm ARP 12pt. cap screw
(2) 8mm-1.25 x 25mm flat head cap screws
(1) 5/16-18 x 1” hex head bolt
[A] Thread the 5/16” hex head bolt and 5/16” flat washer through the back of the tensioner
bracket. Place the bracket with the bolt and washer hanging through it on the passenger
side of the water pump.
[B] Thread the two 8mm flat head cap screws through the bracket and into the bottom
standoffs.
[C] Finish by threading the 8mm ARP 12pt. cap screw through the top hole in the bracket
and into the top standoff. Tighten the three fasteners firmly.
[D] Align threaded hole in the back of the tensioner with the threads of the 5/16” hex head
bolt and washer sticking through bracket, finger tighten tensioner to bracket while aligning
the top tensioner holes with the bracket.
D D
Figure 4: Install Idler Bridge Bracket
Apply anti seize to the two 8mm-1.25 x 40mm flat head cap screws.
Place the bridge bracket on the passenger side and align the two bottom holes with the top
two holes on the tensioner.
[A] Thread the two fasteners through the bridge bracket, tensioner and into the tensioner
bracket and finger-tighten.
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LSx Top Mount Tru Trac - 13455 / 13475
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A
A
Figure 5: Install Alternator Bridge Bracket
Apply anti seize to the threads of two 8mm-1.25 x 25mm flat head cap screws.
[A] Place alternator bracket on driver side of water pump and line up holes with standoffs.
Thread fasteners through bridge bracket and into standoffs and finger-tighten.
Figure 6: Install Water Pump Pulley
Apply LocTite to the threads of the four 5/16-24 x 3/4” socket head cap screws.
[A] Install Water pump pulley as shown and tighten firmly.
A Cup Towards Engine
Figure 7: Install Crankshaft Pulley
Apply LocTite to the threads of the three 3/8-16 x 1-1/4” socket head cap screws.
[A] Install crank the pulley as shown, install the Belleville washers as shown with the cup
facing away from the head of the fasteners. Tighten firmly.
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LSx Top Mount Tru Trac - 13455 / 13475
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A A
B B
Figure 8: Install Alternator
Apply anti seize to the following:
(1) 8mm-1.25 x 25mm ARP 12pt. cap screw
(1) 10mm-1.50 x 70mm ARP 12pt. cap screw
Place alternator between bridge bracket and alternator bracket, align alternator bosses
with the bridge bracket.
[A] Thread the 10mm-1.50 x 70mm ARP 12pt. cap screw through the bottom bridge bracket
hole, alternator, and into the alternator bracket. Finger tighten.
[B] Thread the 8mm-1.25 x 25mm ARP 12pt. cap screw through the bridge bracket and into
the top alternator boss.
Note: 10mm shim washers are provided to shim the alternator if needed at the bottom.
The alternator mounting boss may vary in thickness due to the polishing process.
Figure 9: Install Idler Pulley
Apply anti seize to the 3/8-16 x 2-1/4” ARP 12pt. cap screw.
[A] Place idler pulley bearing sleeve into bearing as shown.
[B] Align Idler pulley and sleeve with bridge bracket and install the 3/8-16 x 2-1/4” ARP 12pt.
cap screw with washer through pulley and bearing sleeve and into bridge bracket. Tighten
firmly.
Tighten ALL fasteners at this time.
All ARP 12pt. fasteners, all flat head bridge bracket screws, 5/16” hex bolt behind tensioner
and compressor shoulder bolt firmly.
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LSx Top Mount Tru Trac - 13455 / 13475
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FOR KITS WITHOUT POWER STEERING CONTINUE TO FIGURE 12
A B
A
B
A
C
Figure 10: Install Power Steering Stand-offs
Apply LocTite to the threads of one end of the three 10mm-1.5 x 25mm studs.
[A] Thread the three studs into the block as shown.
[B] Installed height should not exceed 1/2” from block.
[C] Apply anti seize to the exposed threads of the studs, thread the three 1.425" stand-offs
onto each stud and tighten firmly.
Figure 11: Install Power Steering Assembly
Apply anti seize to the threads of the three 10mm-1.5 x 20mm socket head cap screws.
[A] Install power steering bracket as shown with the three 10mm-1.5 x 20mm socket head
cap screws, tighten fasteners firmly.
Install a 5/16” split washer on each of the two 5/16-18 x 2-3/4” socket head cap screws
followed by anti-seize to the threads of each fastener.
[B] Attach power steering pump as shown, tighten fasteners firmly.
IMPORTANT
DO NOT START MOTOR until you have completely installed ALL power steering hoses, reservoir,
and added power steering fluid to the system. A bleeding procedure sheet is included with
this kit.
• Power steering fluid is the lubricant for the pump.
• Serious Damage will occur to power steering pumps if they are run dry.
• Pumps that have been run dry are not warrantable.
NOTE: Automatic Transmission Fluid (ATF) should never be used in place of a quality brand
name power steering fluid.
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LSx Top Mount Tru Trac - 13455 / 13475
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A B
C
Figure 12: Install Belt & Tensioner Pulley
Route belt as shown below minus tensioner pulley.
[A] Place a 5/8” socket attached to a breaker bar on tensioner nut at approximately the
12 o’clock position, align belt onto grove of tensioner pulley.
[B] Pull breaker bar clockwise until tensioner boss lines up with hole in tensioner pulley, slide
pulley onto boss and slowly return wrench to starting position, applying tension to the belt.
Apply anti-seize to the threads of the 3/8-16 x 3/4” ARP 12pt. cap screw.
[C] Thread ARP 12pt. cap screw with aluminum washer onto tensioner boss and tighten firmly
(46 ft/lbs.).
WITH POWER STEERING WITHOUT POWER STEERING
#13455 / #13475
500 Shawmut Ave. • La Grange, IL 60526
Tech (708) 588-0505 • Fax (708) 588-7181
Billet Specialties, Inc.
www.billetspecialties.com
03/09
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