Remove/install knock sensor · ar1512p2185cd · Mercedes-Benz WIS

AR15.12-P-2185CD

Remove/install knock sensor

19.1.11

ENGINES 651 in MODELS 204, 207, 212, 218, 221

P15.12-2130-09

Shown on engine 651.911

1 Electrical connector

2 Electrical connector

3 Bolt

A16/1 Cylinder 3+4 knock sensor

A16/4 Cylinder 1+2 knock sensor

4 Electrical connector

5 Electrical connector

6 Bolt

 	Remove/install
1	Remove cylinder head cover trim
2.1	Remove exhaust gas recirculation cooler and place to one side with coolant lines attached	When removing cylinder 1+2 knock sensor (A16/4).	AR14.20-P-7665CD
2.2	Remove exhaust gas recirculation valve	When removing cylinder 3+4 knock sensor (A16/1).	AR14.20-P-7662CD
3.1	Disconnect electrical connection (1), release and unplug electrical connector (2)	When removing cylinder 1+2 knock sensor (A16/4).
3.1	Disconnect electrical connection (4), release and unplug electrical connector (5)	When removing cylinder 3+4 knock sensor (A16/1).
4.1	Remove bolt (3) and detach cylinders 1+2 knock sensor (A16/4)	When removing cylinder 1+2 knock sensor (A16/4).
			*BA15.10-P-1001-02E
4.2	Remove bolt (6) and detach cylinders 3+4 knock sensor (A16/1)	When removing cylinder 3+4 knock sensor (A16/1).
			*BA15.10-P-1001-02E
5	Install in the reverse order

 Knock sensors

Number	Designation		Engine 651


BA15.10-P-1001-02E	Bolt, knock sensor to cylinder crankcase	Nm	20