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| Unplug electrical connector -2- at knock sensor 1 -G61-. |

Note | Knock sensor 1 -G61- is located below the intake manifold and behind the coolant pump. |
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| Unscrew knock sensor 1 -G61-. |
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| Install in reverse order. |
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| Tightening torque: refer to exploded view of ignition system → Chapter. |
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