Exhaust Pipe Installation

Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Gr-Fse Exhaust. Lexus Gs430, Gs300. Uzs190 Grs190

  1. INSTALL TAILPIPE ASSEMBLY

  2. INSTALL NO. 1 EXHAUST PIPE SUPPORT BRACKET SUB-ASSEMBLY

  3. INSTALL FRONT EXHAUST PIPE ASSEMBLY

  4. INSTALL HEATED OXYGEN SENSOR

  5. INSTALL FRONT FLOOR BRACE CENTER

  6. CHECK FOR EXHAUST GAS LEAKS

  7. INSTALL NO. 2 ENGINE UNDER COVER

  8. PERFORM INITIALIZATION

Exhaust Pipe -- Installation



1. INSTALL TAILPIPE ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Exhaust.Exhaust Pipe.Exhaust Pipe  Installation
  1. Connect the 6 exhaust pipe supports to install the tailpipe.



2. INSTALL NO. 1 EXHAUST PIPE SUPPORT BRACKET SUB-ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the support bracket with the 2 bolts.

    Torque:
    43 N*m{438 kgf*cm, 32 ft.*lbf}


3. INSTALL FRONT EXHAUST PIPE ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Using a vernier caliper, measure the free length of the compression spring.

    Minimum length:
    38.5 mm (1.516 in.)
    If the free length is less than the minimum, replace the compression spring.


    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Exhaust.Exhaust Pipe.Exhaust Pipe  Installation
  1. Install a new gasket to the rear side of the front exhaust pipe.

    HINT:
    Using a plastic-faced hammer, uniformly strike the gasket so that the gasket and front exhaust pipe are properly fit.
    NOTICE:
    1. Be careful with the installation direction of the gasket.
    1. Do not reuse the gasket.
    1. To ensure a proper seal, do not use the tailpipe to force the gasket onto the front exhaust pipe.


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install 2 new gaskets and the exhaust pipe front ends to the exhaust manifold with the 4 bolts and 2 nuts.

    Torque:
    62 N*m{632 kgf*cm, 46 ft.*lbf}
    NOTICE:
    Do not reuse the gaskets.
  1. Install the front exhaust pipe to the tailpipe with the 2 compression springs and 2 bolts.

    Torque:
    43 N*m{438 kgf*cm, 32 ft.*lbf}


4. INSTALL HEATED OXYGEN SENSOR
  1. Install the 2 sensors (Click here).



5. INSTALL FRONT FLOOR BRACE CENTER


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the floor brace with the 4 bolts.

    Torque:
    7.4 N*m{75 kgf*cm, 65 in.*lbf}


6. CHECK FOR EXHAUST GAS LEAKS
If gas is leaking, tighten the areas necessary to stop the leak. Replace damaged parts as necessary.


7. INSTALL NO. 2 ENGINE UNDER COVER


8. PERFORM INITIALIZATION
  1. Perform initialization (Click here).

    NOTICE:
    Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.