2006 Lexus GS 430FACTORY OEM SERVICE PROCEDURE

Repair Instruction: Precaution

  1. BASIC REPAIR HINT 
    1. HINTS ON OPERATIONS
      Fig 1: Precaution For - About Basic Repair Hint
      G04026256Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      REPAIR INSTRUCTION PRECAUTION CHART

      1 Attire
      • Always wear a clean uniform.
      • Hat and safety shoes must be worn.
      2 Vehicle protection Prepare a grille cover, fender cover, seat cover and floor mat before starting the operation.
      3 Safe operation
      • When working with 2 or more persons, be sure to check safety for one another.
      • When working with the engine running, make sure to provide ventilation for exhaust fumes in the workshop.
      • If working on high temperature, high pressure, rotating, moving, or vibrating parts, wear appropriate safety equipment and take extra care not to injure yourself or others.
      • When jacking up the vehicle, be sure to support the specified location with a safety stand.
      • When lifting up the vehicle, use appropriate safety equipment.
      4 Preparation of tools and measuring gauge Before starting operation, prepare a tool stand, SST, gauge, oil and parts for replacement.
      5 Removal and installation, disassembly and assembly operations
      • Diagnose with a thorough understanding of proper procedures and of the reported problem.
      • Before removing the parts, check the general condition of the assembly and for deformation and damage.
      • When the assembly is complicated, take notes. For example, note the total number of electrical connections, bolts, or hoses removed. Add matchmarks to insure reassembly of components in the original positions. Temporarily mark hoses and their fittings if needed.
      • Clean and wash the removed parts if necessary and assemble them after a thorough check.
      6 Removed parts
      • Place the removed parts in a separate box to avoid mixing them up with the new parts or contaminating the new parts.
      • For non-reusable parts such as gaskets, O-rings, and self-locking nuts, replace them with new ones as instructed in this manual.
      • Retain the removed parts for customer inspection, if requested.
    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 Bolts (Precoated Parts)
        G04026257Courtesy 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: Inspecting Fuses
        G04026258Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      FUSE SYMBOL CHART

      Illustration Symbol Part Name Abbreviation
      G04026259Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      G04026260Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      FUSE FUSE
      G04026261Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      G04026262Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      MEDIUM CURRENT FUSE M-FUSE
      G04026263Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      G04026264Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      HIGH CURRENT FUSE H-FUSE
      G04026265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      G04026266Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      FUSIBLE LINK FL
      G04026267Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      G04026268Courtesy 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 damaged clip with a new clip.

        SHAPE (EXAMPLE), ILLUSTRATION, PROCEDURES CHART

        Shape (Example) Illustration Procedures
        G04026269Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        G04026270Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        1. Remove clips with clip remover or pliers.
        G04026271Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        G04026272Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        1. Remove the clips with clip remover or screwdriver.
        G04026273Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        G04026274Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        1. Remove clips with wide scraper to prevent panel damage.
        G04026275Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        G04026276Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        1. Remove clips by pushing center pin through and prying out the shell.
        G04026277Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        G04026278Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        1. Remove clips by unscrewing the center pin and prying out the shell.
        G04026279Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        G04026280Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        1. Remove clips by prying out the pin and then prying out the shell.
    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 are damaged during a procedure, always replace the damaged claws with new caps or covers.

        SHAPE (EXAMPLE) ILLUSTRATION PROCEDURES CHART

        Shape (Example) Illustration Procedures
        G04026281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        G04026282Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        1. Using a screwdriver, detach the claws and remove the cap or covers.
        G04026283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        G04026284Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        1. Using a screwdriver, detach the claws and remove the cap or covers.
        G04026285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        G04026286Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        1. Using a screwdriver, detach the claws and remove the cap or covers.
    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 4: Detaching Claws And Remove Cap Or Covers Using Screwdriver
        G04026287Courtesy 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 5: Identifying Vacuum Hoses
        G04026288Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    10. TORQUE WHEN USING TORQUE WRENCH WITH EXTENSION TOOL
      Fig 6: Identifying Torque Wrench With Extension Tool
      G04026289Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Use the formula below to calculate special torque values for situations where SST or an extension tool is combined with the torque wrench.

        Formula: 

        T' = L2 / (L1 + L2) * T 

        FORMULA CHART

        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 7: Identifying Length Of Torque Wrench With Length Of SST
        G04026290Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Factory Service Tools

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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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