ar0704d0080sd

Remove/install O2 sensor

Type ar · topic 07.04 · version 0205 · 2011-03-15

Applies to: ENGINES 646.984 /985 /986 /989 /990 in MODEL 906

Where it sits

Function group 1 Engine › 07 Mixture formation › 07.04 Sender, Feeler, Sensors — Series 646 (models 984, 985, 986, 989, 990) · Series 906

EinPAS 15 Engine › 15.45 Engine management › 15.45.12 Sensor/switch/wiring harness — Series 646 (models 984, 985, 986, 989, 990) · Series 906

AR07.04-D-0080SD

Remove/install O2 sensor

25.2.11

ENGINES 646.984 /985 /986 /989 /990 in MODEL 906

Remove/install O2 sensor

D07.04-1126-06

Shown on engine 646.984

1 Bracket

B85 Oxygen sensor

B85x1 Oxygen sensor connector

Remove/install

Danger!

Risk of injury to skin and eyes caused by handling hot or glowing objects.

Wear safety gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

1

Lift/jack up vehicle

AR00.60-D-1000H

2

Remove oxygen sensor connector (B85x1) from bracket (1)

3

Disconnect oxygen sensor connector (B85x1) and remove cable tie for electrical line to oxygen sensor (B85)

Installation: Install new cable ties.

4

Remove oxygen sensor (B85)

Installation: Coat thread of oxygen sensor (B85) with lubricant.

*BA07.04-N-1006-01B

Box wrench bit

*000589710300

Paste

*BR00.45-Z-1005-06A

5

Install in the reverse order

Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

6

Conduct engine test run and check leaktightness of exhaust system in area of the oxygen sensor (B85)

Sensors

Number

Designation

Engine
646
in model
906

Engine
646.986

BA07.04-N-1006-01B

O2 sensor on catalytic converter

Nm

45

45

Remove/install O2 sensor

Box wrench bit

000 589 71 03 00

Repair materials

Number

Designation

Order number

BR00.45-Z-1005-06A

Paste, hot lubrication 1 kg, DB supply specification 6879.20

A 000 989 76 51

Referenced documents