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Home >> Mercedes Benz >> 2012 >> Sprinter 2500, Van Crew Extended >> Repair and Diagnosis >> Engine Performance >> System >> Mixture Formation -- Model 906 (Engine 642) >> Testing & Repair >> Remove/Install O2 Sensor - Ar07.04-D-0080SF
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Remove/Install O2 Sensor - Ar07.04-D-0080SF

ENGINE 642.992 in MODEL 906 

Fig 1: Identifying O2 Sensor Remove/Install Component Locations
G08208151Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING 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 Disconnect electrical connector (1)    
2 Expose electric wiring harness (2) IMPORTANTInstallation:  Make sure that routing of electrical wiring harness (2) is correct.  
3 Remove O2 sensor (B85/2) on catalytic converter (3) IMPORTANTInstallation:  Coat thread of O2 sensor (B85/2) with heat-resistant lubricant.
TORQUE SPECIFICATION
*BA07.04-N-1003-01G 
Paste *BR00.45-Z-1005-06A 
4 Install in the reverse order    
INSPECT Check     
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns from working on the vehicle as it is being started or when the engine is running Secure vehicle to prevent it from starting off by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.
AS00.00-Z-0005-01A
5 Test run engine and check exhaust system in the area of the O2 sensor (B85/2) for leaks
O2 SENSOR TO CATALYTIC CONVERTER TORQUE SPECIFICATION - ENGINE 642.992

Number Designation Engine 642.992
BA07.04-N-1003-01G O2 sensor to catalytic converter Nm 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