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Knock sensor replacement.

Tiny
KRAFFERTY
  • MEMBER
  • 2005 CHEVROLET UPLANDER
  • 3.5L
  • V6
  • FWD
  • AUTOMATIC
  • 100,000 MILES
Hi, I need to replace the knock sensors on my 2005 Uplander. I can find anything on google about the procedure. I guess I really just need to know if I have to drain the coolant first?
thanks.
Monday, March 16th, 2015 AT 11:04 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Hello,

The knock sensor is down on the block on either side here is instruction and diagram below to help you get the job done. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Monday, March 16th, 2015 AT 12:10 PM

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