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tool needed for 850 serp belt tensioner 850

posted by  ghostrider1800 on  Mon Apr 23 13:07 CST 2007
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last visit: Thu Apr 26 17:43 CST 2007
[RELATED]

anyone know where i can get the square plug like tool that tightens and losens the serpintine belt, im taking on the changing the timing belt job and i need to get the right square plug tool for the serp belt. thanks any help or any selling one would be helpfull!- john








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    tool needed for 850 serp belt tensioner 850

    posted by  Bill1959 on  Fri Apr 27 17:40 CST 2007
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    All you need is 3/4" square bar stock (steel or alum), 1.25" long. Your local fab or machine shop probably has a small piece of scrap they would give you.

    A good thing to keep in the car, along with an open-end (or adj) wrench and a spare belt.
    --
    1998 S70 T5, 5-speed, 140k








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    tool needed for 850 serp belt tensioner 850

    posted by  someone claiming to be Paul on  Tue Apr 24 07:50 CST 2007 [RELATED]

    Use a 1/2" breaker bar and duct tape a couple of pennies on one side.
    Works great.








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    tool needed for 850 serp belt tensioner 850

    posted by  KlausC on  Tue Apr 24 04:20 CST 2007
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    last visit: Fri Oct 24 10:15 CST 2014
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    Read this old post from TINA:

    http://www.brickboard.com/AWD/index.htm?id=954400

    Very good write up!

    Klaus
    --
    1975 164 w/174,800mi (Sold) 1995 850T w/91,000mi, 1998 V70R w/129,000mi








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      tool needed for 850 serp belt tensioner 850

      posted by  volvocrazed on  Tue Apr 24 06:24 CST 2007
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      last visit: Thu Jul 28 18:15 CST 2011
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      I have used the crowfoot method described in the link provided by Klaus. Works really well.

      What I wanted to add is that I got a Serpentine Belt Tensioner tool from Autozone (free rental). The tool did NOT fit the Volvo, BUT it had a crowsfoot in it that worked in conjunction with a ratchet extension. My point is, if you don't own crowfoot wrenches, you can get by without buying more tools, provided you have a ratchet extension that's long enough.

      --
      '97 850 n/a Wagon, 145K mi








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    tool needed for 850 serp belt tensioner 850

    posted by  PBH on  Tue Apr 24 03:50 CST 2007
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    last visit: Mon Jan 2 20:34 CST 2012
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    That tensioner is a piece of crap. the hole is too tight for a 1/2" sqaure drive, it is too confined, and too ahed to get at.

    I gave up and used a big pry-bar to push on the tensioner. It wasn't too difficult once I decided not to use the square drive hole. I would hate to be stuck at the side of the road trying to do that repair.








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    tool needed for 850 serp belt tensioner 850

    posted by  dick on  Mon Apr 23 13:34 CST 2007
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    last visit: Sun Aug 3 15:24 CST 2014
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    Made my own from a square headed bolt (3/4 inch?) and then put on a nut that I can grab with an open end wrench. You can also lock it open with a drill bit or nail. Look at where there is a small hole near the square hole. When you wind lup the tensioner you can slip in the pin.

    Good luck,

    dick








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      tool needed for 850 serp belt tensioner 850

      posted by  RTBimmer on  Tue Apr 24 01:21 CST 2007
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      last visit: Mon Jun 30 09:41 CST 2014
      [RELATED]

      How many miles/years can one expect the S-belt to last?








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        tool needed for 850 serp belt tensioner 850

        posted by  dick on  Tue Apr 24 02:02 CST 2007
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        last visit: Sun Aug 3 15:24 CST 2014
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        Regardless of mileage, it has been suggested changing belts every 5 years. Supposedly the same for hoses. The serp. belt life---not sure, but close to same as timing belt. BUT, the serp. belt can be checked visually for cracks, crazing and tears. If you see those developing, change it.

        Good luck,

        dickl







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