2007 Lexus LS 460LFACTORY OEM SERVICE PROCEDURE

FUEL INJECTOR (for Direct Injection): Installation

  1. INSTALL FUEL INJECTOR SEAL 
    1. Apply engine conditioner to the clean area shown in the illustration. Using a piece of cloth, clean carbon deposits from the injector and its grooves.
      NOTE:
      • Do not clean the tip of the injector.
      • Do not use a wire brush to clean the injector.
      • If an injector is dropped or the tips of the injectors are struck, replace it with a new one.
        Fig 1: Applying Engine Conditioner To Clean Area
        G04947911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Apply engine oil to the injector contact surface of SST (guide). Then attach SST (guide) to the injector with the tapered inner portion facing the tip of the injector, as shown in the illustration.

      SST 09260-39015(09268-03020) 

      Fig 2: Identifying SST (Guide)
      G04947912Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install a new injector seal to SST (holder).
      Fig 3: Installing Injector Seal To SST (Holder)
      G04947913Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      SST 09260-39015(09268-03010) 

      NOTE: Be careful not to install the injector seal to SST (holder) at an angle. Doing so will stretch the seal and correcting this problem is very complicated.
    4. Install SST (holder with injector seal) to the tip of the injector. Slide the seal downward into the injector groove (injector connector side) with your fingers, as shown in the illustration.

      SST 09260-39015 (09268-03010, 09268-03020) 

      HINT:

      Check that the seal covers the circumference of the injector groove as shown in the illustration.

      Fig 4: Installing SST To Tip Of Injector
      G04947914Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Using SST (holder), gently press downward on the injector seal (injector connector side). Then slowly slide SST (guide) towards the injector tip to settle the seal into the injector groove.
      Fig 5: Installing Injector Seal
      G04947915Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      SST 09260-39015 (09268-03010, 09268-03020) 

      NOTE: Be careful that the seal is not pinched between SST (guide) and the injector groove. Replace the seal if it becomes damaged.

      HINT:

      • When using SST (guide) to settle the seal into the groove, SST (guide) only needs to be slid upward to the position labeled A in the illustration.
      • After using SST (guide) to settle the seal into the groove, return SST (guide) to its position labeled B in the illustration.
    6. Install a new injector seal to SST (holder).

      SST 09260-39015 (09268-03010) 

      NOTE: Be careful not to install the injector seal to SST (holder) at an angle. Doing so will stretch the seal and correcting this problem is very complicated.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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