Remove/install crankshaft Hall sensor

AR15.12-P-2136MT

Remove/install crankshaft Hall sensor

29.04.2019

Engine

270 in model 117, 156, 176, 242, 246.2

1s

Screw/bolt

2

Heat shield

2s

Screw/bolt

B70

Crankshaft Hall sensor

 

Remove/install

1

Remove engine compartment paneling

AR61.20-P-1105NKB

2

Remove heat shield on front axle carrier

AR46.20-P-0602NKB

3

Remove heat shield at steering gear

AR46.20-P-0602NKB

4.1

Remove heat shield (2) for side shaft; to do this remove screw/bolts (2s) and unclip heat shield (2) on clamp

Engine 270 in model 117, 156, 176, 242, 246.2
except code M005 (4MATIC)

 Installation: Ensure that clamp on the heat shield (2) is mounted correctly.

4.2

Unfasten heat shield (2) for side shaft and set aside; to do this remove screw/bolts (2s) and unclip heat shield (2) on clamp

Engine 270 in model 117, 156, 176, 242, 246.2
with code M005 (4MATIC)

 Installation: Ensure that clamp on the heat shield (2) is mounted correctly.

5

Remove crankshaft Hall sensor(B70); remove screw/bolt (1s) to do this

 Bolt, position sensor for crankshaft to crankcase/oil pan

*BA15.10-P-1001-03I

6

Install in the reverse order



Check

 Warning

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

7

Perform an engine test run and check engine for leaktightness

 Position sensor

Number

Designation

Engine 270

BA15.10-P-1001-03I

Bolt, position sensor for crankshaft to crankcase/oil pan

Nm

9