Knock sensor replace - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-15-2009, 02:53 PM   #1
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Default Knock sensor replace

You have two knock sensors on your engine, one in the front near the starter.


And another near the rear of the engine, near the center between the cross member and oil pan.


You will need a deep well socket 22mm, but a 7/8 will also work, a swivel and a extension to get these out. You will need to drain the cooling system to change the sensors.
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