Removal Procedure
- Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (LS7 or LS9) or Battery Negative Cable Disconnection and Connection (LS3) .
- Remove the left catalytic convertor. Refer to Catalytic Converter Replacement - Left Side (LS7) or Catalytic Converter Replacement - Left Side (LS3) .
- Remove the left exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side (LS7 or LS9) or Exhaust Manifold Replacement - Left Side (LS3) .
- Remove the mounting bolt for the knock sensor 1.
- Disconnect the electrical connector of the knock sensor from the engine harness (3).
- Remove the knock sensor (2) from the engine block (4).