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Serpentine belt replacement 01 Blazer w/V-6 Vortec

waynedpwaynedp Posts: 1
edited March 10 in Chevrolet
Where is the tensioner location on this engine?
Chiltons doesn't have the right diagram pictured and i've tried loosening what i believe is the tensioner with no release of tension. Any pics , diagrams out there for my 4.3L ?


  • steverstever Ex Yooper, just arrived in New MexicoPosts: 40,540
    There's some links in the Online Repair Manuals guide that may help out with diagrams.


    Need help navigating? - or send a private message by clicking on my name.

  • jlflemmonsjlflemmons Posts: 2,240
    Below the alternator. The pivot arm has a square hole just the right size for a 3/8" breakover bar to fit in and use to release the tension. Belt change is about a five minute job, tops.

    I love serpentine belts. :)
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