ES300 1992-1997

Exhaust System

Print

Catalytic Converter



Removal & Installation

Specific to:

Lexus ES250 1990-1991

Lexus ES300 1992-1993

  1. Raise and safely support the vehicle.
  2.  
  3. Check that the converter is cool.
  4.  
  5. Remove the four bolts and nuts holding the pipes to the converter.
  6.  
  7. Remove the converter and two gaskets.

    Click image to see an enlarged view

    Fig. Exhaust system components-1990-91 models



    Click image to see an enlarged view

    Fig. Exhaust system components-1992-93 models

  8.  

To install:

  1. Place new two gaskets on the front and rear pipes.
  2.  
  3. Install the converter with the bolts and nuts. Tighten the bolts and nuts to 32 ft. lbs. (43 Nm).
  4.  

Specific to:

Lexus ES300 1994

  1. Raise and safely support the vehicle.
  2.  
  3. Check that the converter is cool.
  4.  
  5. Remove the four bolts and nuts holding the pipes to the converter.
  6.  
  7. Remove the converter and two gaskets.

    Click image to see an enlarged view

    Fig. Exhaust system components-1994 models

  8.  

To install:

  1. Place new two gaskets on the front and rear pipes.
  2.  
  3. Install the converter with the bolts and nuts. Tighten the bolts and nuts to 41 ft. lbs. (56 Nm).
  4.  

Specific to:

Lexus ES300 1995-1996

  1. Raise and safely support the vehicle.
  2.  
  3. Check that the converter is cool.

    Click image to see an enlarged view

    Fig. Exhaust system components-1995-96 models

  4.  
  5. Remove the 2 bolts and exhaust pipe clamp.
  6.  
  7. Remove the 2 bolts, and disconnect the bracket.
  8.  
  9. Remove the 2 bolts and 2 nuts holding the front exhaust pipe to the center exhaust pipe.
  10.  
  11. Remove the 4 nuts holding the front exhaust pipe to the exhaust manifolds.
  12.  
  13. Remove the front exhaust pipe and 3 gaskets.

    Click image to see an enlarged view

    Fig. Catalytic converter bolts-1995-96 models

  14.  

To install:

  1. Installation is the reverse order of removal, noting the following:
    1. Install 3 new gaskets.
    2.  
    3. Tighten the 4 nuts holding the front exhaust pipe to the exhaust manifolds to 46 ft. lbs. (62 Nm).
    4.  
    5. Tighten the 2 bolts and 2 nuts holding the front exhaust pipe to the center exhaust pipe to 41 ft. lbs. (56 Nm).
    6.  
    7. Tighten the 2 bracket bolts to 14 ft. lbs. (19 Nm).
    8.  
    9. Tighten the 2 exhaust pipe clamp bolts to 22 ft. lbs. (29 Nm).
    10.  

  2.  

Specific to:

Lexus ES300 1997-1998

  1. Raise and safely support the vehicle.
  2.  
  3. Check that the converter is cool.

    Click image to see an enlarged view

    Fig. Exhaust system components-California-1998 models



    Click image to see an enlarged view

    Fig. Exhaust system components-Except California-1997-98 models

  4.  
  5. Remove the 2 bolts and exhaust pipe stay.
  6.  
  7. Remove the 2 bolts, and disconnect the bracket.
  8.  
  9. Remove the 2 bolts and 2 nuts holding the front exhaust pipe to the center exhaust pipe.
  10.  
  11. Remove the 4 nuts holding the front exhaust pipe to the exhaust manifolds.
  12.  
  13. Remove the front exhaust pipe (converter) and 3 gaskets.

    Click image to see an enlarged view

    Fig. Catalytic converter bolts-1997-98 models

  14.  
  15. If removing the left-bank converter, remove the right-bank converter first, then remove the left-hand exhaust manifold (converter).
  16.  

To install:

  1. Installation is the reverse order of removal, noting the following:
    1. Install 3 new gaskets.
    2.  
    3. Tighten the 4 nuts holding the front exhaust pipe to the exhaust manifolds to 46 ft. lbs. (62 Nm).
    4.  
    5. Tighten the 2 bolts and 2 nuts holding the front exhaust pipe to the center exhaust pipe to 41 ft. lbs. (56 Nm).
    6.  
    7. Tighten the 2 bracket bolts to 24 ft. lbs. (33 Nm).
    8.  
    9. Tighten the 2 exhaust pipe stay bolts to 24 ft. lbs. (33 Nm).
    10.  

  2.  

 
label.common.footer.alt.autozoneLogo