Remove/install TWC temperature sensor - AR07.04-P-0004TI

ENGINE 642 in MODEL 211 

Fig 1: Identifying Electrical Connector And TWC Temperature Sensor

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
	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
	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
	Risk of death  caused by vehicle slipping or toppling off the lifting platform.	Align vehicle between columns of lifting platform and position four support plates at lifting platform support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
1	Remove bottom sections of soundproofing	Remove center and rear soundproofing bottom section. Only install the soundproofing bottom section after conducting a leak test on the exhaust system.	AR94.30-P-5300T
2	Disconnect electrical connector (1) at TWC temperature sensor (B19)	Remove electrical connector (1) of TWC temperature sensor (B19) from bracket.
3	Separate cable tie	Installation:  Install new cable ties.
4	Undo TWC temperature sensor (B19) at catalytic convertor	Installation:  Apply heat-resistant lubricant to thread of TWC temperature sensor (B19).
		Temperature sensor to catalytic converter	*BA07.04-P-1001-01G
		Paste	*BR00.45-Z-1005-06A
5	Install in the reverse order
	Checking
6	Check leaktightness of exhaust system when engine is running

SENSORS

Number	Designation		Engine 642 without particle filter	Engine 642 with particle filter
BA07.04-P-1001-01G	Temperature sensor to catalytic converter	Nm	45	45

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