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Home >> Honda >> 2021 >> Odyssey EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System / Engine Mechanical - Service Information >> Removal And Installation >> Secondary HO2S Removal and Installation >> Removal and Installation
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Removal and Installation

NOTE:  Where icon is shown for further information continue to the information below.

Front Bank (Bank 2)

9-speed A/T 

Fig 1: Secondary HO2S Front Bank (Bank 2) (9-speed A/T) Replacement Components With Torque Specifications
GHH444223Courtesy of HONDA, U.S.A., INC.
Detailed information, notes and precautions
Torque: N.m (kgf.m, lbf.ft)

Front Bank (Bank 2)

10-speed A/T 

Fig 2: Secondary HO2S Front Bank (Bank 2) (10-speed A/T) Replacement Components With Torque Specifications
GHH444224Courtesy of HONDA, U.S.A., INC.
Detailed information, notes and precautions
Torque: N.m (kgf.m, lbf.ft)

Rear Bank (Bank 1)

9-speed A/T 

Fig 3: Secondary HO2S Rear Bank (Bank 1) (9-speed A/T) Replacement Components With Torque Specifications
GHH444225Courtesy of HONDA, U.S.A., INC.
Detailed information, notes and precautions
Torque: N.m (kgf.m, lbf.ft)

Rear Bank (Bank 1)

10-speed A/T 

Fig 4: Secondary HO2S Rear Bank (Bank 1) (10-speed A/T) Replacement Components With Torque Specifications
GHH444226Courtesy of HONDA, U.S.A., INC.
Detailed information, notes and precautions
Torque: N.m (kgf.m, lbf.ft)

Front Bank (Bank 2) 

  1. Secondary HO2S - Remove
    9-speed A/T 
    GHH444227GHH444228Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.

    10-speed A/T 

    GHH444227GHH444228Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.
    1. Using the sensor socket wrench, remove secondary HO2S.
  2. All Removed Parts - Install
    1. Install the parts in the reverse order of removal.

    Rear Bank (Bank 1) 

  3. Transmission Undercover - Remove
  4. Secondary HO2S - Remove
    9-speed A/T 
    GHH444229GHH444230Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.

    10-speed A/T 

    GHH444229GHH444230Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.
    1. Using the sensor socket wrench, remove secondary HO2S.
  5. All Removed Parts - Install
    1. Install the parts in the reverse order of removal.