Knock sensor location

2010 VOLVO S40
158,000 MILES • 2.4L • 5 CYL • FWD • AUTOMATIC
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BRANDON JONES2
  • MEMBER
  • 3 POSTS
I would like to know where is the knock sensor located and how to get to it?
Apr 30, 2017 at 6:22 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
see picture for location and where to disconnect. all they say is to remove air cleaner to remove it in our manual. Do not tighten over 20 NM or it will be instantly destroyed.
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Apr 30, 2017 at 6:40 AM
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BRANDON JONES2
  • MEMBER
  • 3 POSTS
Do you think i will have to remove the manifold too. To take the sensor off the block?
Apr 30, 2017 at 7:07 AM
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STEVE W.
  • ✓Experienced Mechanic
  • 15,238 POSTS
Nope, You remove the air box off the front of the engine and the sensors are bolted to the block on each side.
Apr 30, 2017 at 7:19 AM
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BRANDON JONES2
  • MEMBER
  • 3 POSTS
Thank you.
Apr 30, 2017 at 10:43 AM
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STRAILER
  • ✓Experienced Mechanic
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Please use 2CarPros anytime, we are here to help and tell a friend.

Cheers, Ken
May 3, 2017 at 3:12 AM
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