Heated Oxygen Sensor (HO2S) 4 -G286- (before catalytic converter, left rear), removing and installing: Removing

NOTE:

• All cable ties which are opened or cut open when removing, must be replaced in the same position when installing.

• Remove Heated Oxygen Sensor (HO2S) 3 -G285- → Heated Oxygen Sensor (HO2S) 3 -G285- (before catalytic converter, left front), removing and installing .

Fig 1: Pulling Oil Dipstick Guide Tube Upward And Off

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Remove bolt - 1  -.
• Pull oil dipstick guide tube upward and out - arrow  -.

Fig 2: Oxygen Sensors Electrical Harness Connectors

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Separate electrical connector - 2  - for Heated Oxygen Sensor (HO2S) 4 -G286-.

NOTE:

• Disregard the other items in the illustration.

• Expose electrical wiring to oxygen sensor.

Fig 3: Heated Oxygen Sensor (HO2S) 3 -G285- & Heated Oxygen Sensor (HO2S) 4 -G286-

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Remove Heated Oxygen Sensor (HO2S) 4 -G286- - arrow 2  - using ring spanner set 3337.