FixVault

Remove/Install Catalytic Converter Temperature Sensor - AR07.04-P-0004OGR

ENGINE 642 in model 166, 292 

Fig 1: Catalytic Converter Temperature Sensor Components Location - Engine 642 In Model 166
G14133783Courtesy of MERCEDES-BENZ USA
DANGER Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
REMOVINGINSTALLING Remove/install     
1 Remove right air filter housing   AR09.10-P-1150OGR
2 Remove respective section of the underfloor paneling   AR61.30-P-1001GQ
3 Disconnect electrical connection for the temperature sensor upstream of catalytic converter (B19/7)    
4 Remove temperature sensor upstream of catalytic converter (B19/7) INSTALLATION NOTES :
Align the temperature sensor upstream of catalytic converter (B19/7) by turning in such a way that the distance to the heat shield is adequate.
The electrical feed line can get damaged otherwise.
INSTALLATION IMPORTANT : Coat thread of temperature sensor upstream of catalytic converter (B19/7) with heat-resistant lubricant.
TORQUE SPECIFICATION ENGINE 642 in model 166, 292 with code 474 (Diesel particulate filter) Temperature sensor at catalytic converter
*BA07.04-P-1001-01G 
    Paste, hot lubrication 1 kg, DBL 6879.20 *BR00.45-Z-1005-06A 
5 Install in the reverse order    
INSPECT Check     
DANGER Risk of accident  from vehicle starting off by itself when ENGINE running. Risk of injury  (bruises and burns) resulting from working on the ENGINE while it is being started or when it 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
6 Check leaktightness of exhaust system when ENGINE is running    
SENSORS

Number Designation ENGINE 642
BA07.04-P-1001-01G Temperature sensor at catalytic converter Nm 45
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1005-06A Paste, hot lubrication 1 kg, DBL 6879.20 A 000 989 76 51