Where are the camshaft position sensor and crankshaft sensors located?

Tiny
DICK LITTLE
  • MEMBER
  • 2006 BUICK TERRAZA
  • 3.9L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 137,000 MILES
Need to know where the camshaft position sensor and crankshaft sensors are located on engine.
Sunday, November 17th, 2024 AT 3:20 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

The camshaft position sensor is located at the front of the engine, center, below the intake manifold. See pics 1 and 2 below.

The crankshaft position sensor is located at the rear of the engine close to the firewall. See pics 3 and 4.

Let me know if this helps or if you have questions.

Take care,

joe

See pics below.
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Sunday, November 17th, 2024 AT 9:14 PM
Tiny
DICK LITTLE
  • MEMBER
  • 2 POSTS
When I change these sensors do I need to use a scan tool to delete them off BCM?
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Monday, November 18th, 2024 AT 4:10 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

If you are referring to the diagnostic trouble codes, I would delete them to make sure they don't return. If you wait long enough, they could clear on their own, but it may take some time.

Joe
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Monday, November 18th, 2024 AT 7:09 PM

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