Where is the location to bank 1 knock sensor?

Tiny
CRIVERA100905
  • MEMBER
  • 2009 BUICK LUCERNE
  • 3.9L
  • V6
  • AUTOMATIC
  • 200,000 MILES
Location to bank 1 on a 09 Lucerne cxl 3.9l v6.
Thursday, June 19th, 2025 AT 12:52 AM

7 Replies

Tiny
KEN L
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  • 52,298 POSTS
The knock sensor bank 1 is on the right side of the engine block just below the cylinder head. Here are the locations so you can see in the images below. Let us know if you need anything else.
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Thursday, June 19th, 2025 AT 11:46 AM
Tiny
CRIVERA100905
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Do I have to remove Intake manifold to access it?
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Thursday, June 19th, 2025 AT 1:09 PM
Tiny
KEN L
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Fortunately not, it is on the outside of the engine block just below the cylinder heads.
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Friday, June 20th, 2025 AT 10:33 AM
Tiny
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On the front of the engine by the exhaust manifold or on the rear of engine by catalytic converter?
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Friday, June 20th, 2025 AT 8:28 PM
Tiny
KEN L
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The knock sensor bank 1 is on the right side of the engine block (middle) just below the cylinder head.
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Sunday, June 22nd, 2025 AT 12:16 PM

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