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For anybody who’s ever used a screwdriver to slip a belt onto a pulley, you’ll recognize how Snap-on’s stretch belt tool works. In the brochure at the bottom of the post, they claim you can use the tool for mounting belts on some late model Ford Chevy and GMC SUV’s, but frankly I don’t see what would prevent you from using the tool on other vehicles.

The Chinese-made tool fits over the lip of the pulley and a special bolt holds it in place. When the tool is in place you can rotate the belt onto the pulley in tight quarters without twisting the belt.

A search at Snap-on.com shows pricing at $13.

Stretch Belt Tool (PDF) [Snap-On]

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5 Responses to Stretch Belt Tool

  1. roger rainey says:

    Doesn’t look like it would work on a pulley that was not hollow.

  2. Good point, but I’m not sure how far the bolt would actually have to go inside the pulley to hold it. While a lot of pulleys aren’t hollow, they still have a pretty deep recess. I took a look at my 2001 Silverado and all the pulleys on my drive belt either were hollow or had a pretty good recess except one.

  3. kyle says:

    why not just use the belt tensiner to release the tension?

  4. Harry says:

    This tool is specifically designed for the new style AC belt found on new full size GM SUVs. The belt doesn’t use a tensioner and must be replaced when removed. Think of it as a heavy duty ribbed rubber band. I don’t see the usefulness of trying to use the tool on a conventional or serpentine belt where there is a tensioner or adjustment points.

  5. Nate says:

    That photo is incorrect. The AC belt rides on the grooves on the REAR of the pulley, not the front. I doubt you could bolt this huge block of aluminum to the rear of the same pulley and have it work. I’m going to give the zip tie method a try.

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