How to Install Your Strutmasters 1998-2007 Lexus LX 470 4 Wheel Conversion Kit

How to Install Your Strutmasters 1998-2007 Lexus LX 470 4 Wheel Conversion Kit

Take a look at our easy-to-follow How to Install Your Strutmasters 1998-2007 Lexus LX 470 4 Wheel Conversion Kit to learn how to install your new Strutmasters air suspension conversion kit. Our step-by-step instructions include pictures to help you along the way.

Lexus LX 470 parts included in this kit:

  • TF14F- 2 Eibach Coil Springs and 4 Gas/Hydraulic Shocks.
  • TF14FJ- 2 Eibach Coil Springs, 1 Air Lift Manual Compressor System, 1 Air Lift 1000 Kit, and 4 Gas/Hydraulic Shocks.

Getting Started

  1. Read general service precautions
  2. Wear Eye Protection
  3. Support the vehicle
  4. Remove air suspension parts
  5. Install conversion kit
  6. Disable the ride control light

Tools needed for installation:

  • Metric socket set
  • Floor Jack
  • Jack Stands
  • Metric Wrench Set
  • Wire Cutter/Stripper/Crimping Tool
  • Level Work Surface
  • Spring Compressor (If Applicable)
  • Allen Wrenches

Remove the front hydraulic shocksStep 1

Caution: A sudden release of pressure may cause personal injury or damage to the vehicle. The air suspension system is under pressure until the air supply lines are disconnected. Use the following precautions when servicing the air suspension system: Wear gloves, ear protection, and eye protection. Wrap a clean cloth around the air supply lines. The vehicle must be raised to perform this conversion! Use proper lifting equipment only! Read instructions carefully before attempting installation, if you have problems during the install then feel free to call our Technical Support Line. Please before calling for technical help, have your invoice handy.

  1. Disconnect Negative Battery Cable.
  2. Locate the fluid reservoir on the left side of frame in front of the left rear wheel, see Fig 1.
  3. Attach the rubber hose to the valve to drain the fluid into a container. Open the valve and drain the fluid from system then close valve once finished. CAUTION: THE SHOCKS MAY STILL CONTAIN HYDRAULIC PRESSURE.WEAR EYE PROTECTION WHEN DRAINING FLUID.
  4. Support and raise the vehicle then remove the front wheels.
  5. Remove lower shock bolt and nut, see Fig 2
  6. Remove the 2 bolts securing the hydraulic line to the shock, see Fig 3
  7. Remove the upper shock nut, see Fig 4
  8. Remove lower shock nut and bolt. Remove the shock, see Fig 5

Front Conversion Kit Installation InstructionsStep 2

Front Shock Installation

  1. Install shock into the upper mount while securing it with supplied hardware, see Fig 1.
  2. Install the lower shock mount into the vehicle and secure with the bolt and nut, see Fig 2.
  3. Tighten the upper shock nut until the rubber grommet flattens out against the washer, see Fig 3.
  4. Once the front shocks are installed the torsion bars must be removed and re-clocked!

Re-Clocking the Torsion Bars

  1. Remove the rear splash shield.
  2. Remove the torsion bar adjusting bolt, see Fig 1.
  3. Mark the current position of the torsion bar on the front saddle, see Fig 2.
  4. Remove the 2 bolts and nuts from the front torsion bar saddle and slide back, see Fig 3.
  5. Remove the torsion bar from the front saddle and turn the saddle 2 spines counterclockwise on the drivers side. Turn the saddle clockwise for the passenger side, see Fig 4. Note: You may encounter a plastic key in the splines; remove this key to complete install.
  6. Reinstall the front of the torsion bar to the front mounting location and secure with bolts and nuts, see Fig 5.
  7. Install the rear adjusting bolt and tighten until you have reached ¾ of bolt travel, see Fig 6. NOTE: After both sides have been re-clocked and primary adjustment has been made it may be necessary to tighten adjusting bolt to achieve the proper ride height.
  8. INSTALL TORQUE ARM Install the torque arm and bolt with 2 nuts. Torque: 225 Nm (2,300 kgf-cm, 166 ft.lbs.)
  10. HINT: There are left and right match marks on the rear end of the torsion bar springs. Apply a light coat of MP grease to the spline of the torsion bar springs.
  11. Re-install splash shield.

Front Conversion Kit installation complete.

Rear Coil Spring and Hydraulic Shock Removal InstructionsStep 3

  1. Support and raise the vehicle. Remove the wheels, see Fig 1.
  2. Using jack stands raise and support the rear axle.
  3. Raise axle approximately 2 inches.
  4. Remove the 2 bolts securing the hydraulic line to the shock, see Fig 2. CAUTION: THE SHOCKS MAY STILL CONTAIN HYDRAULIC PRESSURE.WEAR EYE PROTECTION WHEN DRAINING FLUID.
  5. Support the rear axle. Remove the top nut securing shock to the vehicle, see Fig 3.
  6. Remove the sway bar end links.
  7. Lower the rear sway bar.
  8. Remove the lower shock mounting bolt and remove the shock from vehicle, see Fig 4
  9. After both shocks have been removed the coil spring can be removed by lower the rear axle. NOTE: Be careful not to break the brake line going to the rear axle valve, see Fig 5.

Rear Conversion Kit Installation InstructionsStep 4

  1. Place coil springs into the top position first.
  2. Clock the bottom coil to the stop at the bottom spring seat (reuse the OE upper spring isolator), see Fig 6.
  3. Install the top of the rear shock and secure with the rubber grommets and nuts loosely, see Fig 7
  4. Raise the rear axle and install the bottom of the shocks and secure with the shock bolt, see Fig 8
  5. Raise sway bar and re-install sway bar end links.
  6. Tighten the top shock nut until the rubber grommets flatten out against the washer.
  7. Install supplied Allen head bolts into all hydraulic shock lines, tie up out of way.
  8. Use caution when tying blocks out of the way of moving parts and exhaust.
  9. Replace the wheels and lower the vehicle to the ground. Torque to factory specifications.
Conversion Kit installation now complete.

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