Remove/install the oxygen sensor · ar1400p5303fb · Mercedes-Benz WIS

AR14.00-P-5303FB

Remove/install the oxygen sensor

9.3.10

ENGINE 122.9 in MODEL 454.0
O2-Sensor downstream TWC

P14.00-2103-07

1 Front floor covering

2 Sealing

G3/1x1 O2O2 Sensor connector downstream TWC [KAT]

3 Retaining clip

4 Catch hook

P14.00-2102-11

2 Sealing

G3/1 O2O2 Sensor downstream of TWC [KAT]

 	Remove/install
1	Remove right floor covering in footwell		AR68.30-P-4010FF
2	Lift up front right floor covering (1) under the instrument panel until the O2ssensor connector downstream TWC (G3/1x1) is accessible
3	Unclip the retaining clip (3) for the O2ssensor connector downstream TWC (G3/1x1)
4	Disconnect O2 sensor downstream TWC [KAT] connector (G3/1x1)	 Installation: Pay attention to the correct connection of the O2sSensor connector downstream TWC (G3/1x1).
5	Release the detent hook (4) for the sealing (2) and guide the electrical line for the O2ssensor downstream TWC (G3/1) through the opening in the vehicle floor
6	O2UUnscrew and remove the sensor downstream TWC (G3/1)	 Installation: Coat the thread of the O2 sensor downstream of TWC (G3/1) with heat-resistant lubricant.
			*BA14.00-P-1002-01D
			*450589040900
		Heat-resistant lubricant	*BR00.45-Z-1005-06A
7	Install in the reverse order
8	Read fault memory, erase if necessary
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04FF
		STAR DIAGNOSIS diagnosis system
 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 engine	Secure vehicle to prevent it from moving. Wear closed and snug-fitting work clothes. Do not grasp hot or rotating parts.	AS00.00-Z-0005-01A
9	Carry out an engine test run and check the exhaust system in the area of the O2 sensor downstream of the catalytic converter (G3/1) for leaks

 O2 sensor

Number	Designation		Engine 122.950


BA14.00-P-1002-01D	O2 sensor at center muffler	Nm	50

Socket

450 589 04 09 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

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