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Knock sensors, location/task/design/function - GF15.12-P-4101F

ENGINE 104.941 /942 /943 /944 /945 /991 /992 /994 /995 

ENGINE 111.921 /943 /944 /945 /946 /947 /960 /961 /970 /973 /974 /975 /977 

ENGINE 111.942 as of 1.6.96 

ENGINE 111.951 /952 /955 /956 /957 /958 /982 /983 

ENGINE 119.980 /981 /982 /985 

ENGINE 120.982/983 

ENGINE 112.910 /911 /912 /913 /914 /916 /917 /920 /921 /922 /923 /940 /941 /942 /943 /944 /946 /947 /949 /953 /954 /955 /970 /972 /973 /975 

ENGINE 113.940 /941 /942 /943 /948 /960 /961 /963 /965 /966 /967 /968 /969 

ENGINE 166.940 /960 /990 /995 

Fig 1: Identifying Knock Sensors
G04606227
  Knock sensors, location Engine 104 GF15.12-P-4101-01D
Engine 111 GF15.12-P-4101-01G
Engine 112 GF15.12-P-4101-01A 
Engine 113 GF15.12-P-4101-01B 
Engine 119 GF15.12-P-4101-01E
Engine 120 GF15.12-P-4101-01F
Engine 166 GF15.12-P-4101-01GC
  Knock sensors, task The knock sensor detects vibrations at the crankcase.  
  Knock sensors, design The knock sensor is a self-contained system. Inside the sensor are piezo crystals. The screened cable is fitted directly onto the knock sensor.  
  Knock sensors, function   GF15.12-P-4101-02KE