Knock sensor replacement.

2005 CHEVROLET UPLANDER
100,000 MILES • 3.5L • V6 • FWD • AUTOMATIC
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KRAFFERTY
  • MEMBER
  • 1 POST
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.
Mar 16, 2015 at 11:04 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
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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Professional Diagram for 2CarPros Members
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Mar 16, 2015 at 12:10 PM
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Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.