2008 Lexus LS 460FACTORY OEM SERVICE PROCEDURE

Repair Instruction: Precaution

  1. BASIC REPAIR HINT 
    1. HINTS ON OPERATIONS
      Fig 1: Identifying Precaution For Vehicle Repair
      G05850323Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. JACKING UP AND SUPPORTING VEHICLE
      1. Care must be taken when jacking up and supporting the vehicle. Be sure to lift and support the vehicle at the proper locations.
    3. PRECOATED PARTS
      1. Precoated parts are bolts and nuts that are coated with a seal lock adhesive at the factory.
      2. If a precoated part is retightened, loosened or moved in any way, it must be recoated with the specified adhesive.
      3. When reusing a precoated part, clean off the old adhesive and dry the part with compressed air. Then apply new seal lock adhesive appropriate to that part.
      4. Some seal lock agents harden slowly. You may have to wait for the seal lock adhesive to harden.
        Fig 2: Identifying Seal Lock Adhesive On Bolts
        G05188531Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. GASKETS
      1. When necessary, use a sealer on gaskets to prevent leaks.
    5. BOLTS, NUTS AND SCREWS
      1. Carefully follow all the specifications for tightening torques. Always use a torque wrench.
    6. FUSES
      1. When inspecting a fuse, check that the wire of the fuse is not broken.
      2. When replacing fuses, be sure that the new fuse has the correct amperage rating. Do not exceed the rating or use one with a lower rating.
        Fig 3: Identifying Fuse Condition
        G04947314Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        SYMBOL TABLE

        Graphic Symbol Part Name Abbreviation
        G05850326Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        G05850327Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        		 FUSE FUSE
        G05850328Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        G05850329Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        		 MEDIUM CURRENT FUSE M-FUSE
        G05850330Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        G05850331Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        		 HIGH CURRENT FUSE H-FUSE
        G05850332Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        G05850333Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        		 FUSIBLE LINK FL
        G05850334Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        G05850335Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        		 CIRCUIT BREAKER CB
    7. CLIPS
      1. The removal and installation methods of typical clips used for vehicle body parts are shown in the table below.

        HINT:

        If clips are damaged during a procedure, always replace the clips with new clips.

        Fig 4: Identifying Removal & Installation Methods Of Clips
        G05850336Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. CLAWS
      1. The removal and installation methods of typical claws used for vehicle body parts are shown in the table below.

        HINT:

        If claws of caps or covers are damaged during a procedure, always replace the caps or covers with new ones.

        Fig 5: Identifying Removal & Installation Methods Of Claws
        G05850337Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. REMOVAL AND INSTALLATION OF VACUUM HOSES
      1. To disconnect a vacuum hose, pull and twist from the end of the hose. Do not pull from the middle of the hose as this may cause damage.
        Fig 6: Identifying Precaution For Vacuum Hose
        G04947343Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. When disconnecting vacuum hoses, use tags to identify where they should be reconnected.
      3. After completing any hose related repairs, double check that the vacuum hoses are properly connected. The label under the hood shows the proper layout.
      4. When using a vacuum gauge, never force the hose onto a connector that is too large. If a hose has been stretched, it may leak air. Use a step-down adapter if necessary.
        Fig 7: Applying Tag On Vacuum Hoses
        G04947344Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    10. TORQUE WHEN USING TORQUE WRENCH WITH EXTENSION TOOL
      1. Use the formula below to calculate special torque values for situations where SST or an extension tool is combined with a torque wrench.
        Fig 8: Identifying Torque Wrench Dimension (1 Of 2)
        G04947345Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Formula: 

        T1 = L2 / (L1 + L2) * T 

        FORMULA TABLE

        T' Reading of torque wrench {N*m (kgf*cm, ft.*lbf)}
        T Torque {N*m (kgf* cm, ft.*lbf)}
        L1 Length of SST or extension tool {cm (In.)}
        L2 Length of torque wrench {cm (In.)}
        Fig 9: Identifying Torque Wrench Dimension (2 Of 2)
        G04947346Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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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