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Remove/install crankshaft Hall sensor - AR15.12-P-2136MMI

ENGINES 152.9 in MODEL 172.4 

Fig 1: Identifying Crankshaft Hall Sensor Remove/Install Components
G10247857Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Remove engine compartment paneling   AR61.20-P-1105W
2 Remove air filter housing   AR09.10-P-1150MMI
3 Remove soundproofing on LH cylinder head cover    
4 Detach electrical connector at crankshaft Hall sensor (B70)    
5 Remove crankshaft Hall sensor (B70) with intermediate flange (2); to do this remove screw/bolt (1s) TORQUE SPECIFICATION *BA15.10-P-1001-03E 
6 Install in the reverse order    
INSPECT Checking     
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
7 Conduct engine test run and check engine for leaks    
POSITION SENSOR

Number Designation Engine 152
BA15.10-P-1001-03E Screw/bolt, crankshaft Hall sensor to crankcase Nm 8