Question about 1997 Ford F250 SuperCab

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Tool required to replace serpentine belt on 1997 Ford 4.6 liter e

What tool is required to release the tension on the belt. The diagram on the 1997 Ford F250 shows a square hole in the tensioner, but it is not square. It feels round. I can't get a good look at it. On the diagram it says to use the lug adapter. What is that?

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  • bradley4451 Nov 21, 2008

    I forgot to mention that this is for a 4.6L engine.


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F-250 Belt Removal

  1. Install a 16-mm (5/8-inch) closed end wrench for 7.5L engines or a 15-mm (19/32-inch) closed end wrench for 5.8L and 7.3L engines on the tensioner pulley bolt and lift the tensioner arm away from the belt.
  1. Remove belt. Release tensioner arm slowly. Do not allow arm to snap back after the belt is removed because this may damage the tensioner.

Posted on Nov 21, 2008

  • jesse777 Nov 21, 2008

    Okay... sorry for missing the other engines. Perhaps you are looking at the wrong end of the tensioner?

    I'm trying to post a diagram, this is my first attempt. Apologies if the diagram does not display properly. If not, the head of a 1/2 inch drive ratchet (or 1/2 inch breaker bar or belt tensioner tool) should fit.

    4.6L & 5.4L with A/C

    1. Use the (B) 1/2 inch square hole in the drive belt tensioner pulley hub to rotate the (A) drive belt tensioner clockwise and remove the (C) drive belt.

      4.6L & 5.4L without A/C

      1. Use the (B) 1/2 inch square hole in the drive belt tensioner pulley hub to rotate the (A) drive belt tensioner counterclockwise and remove the (C) drive belt.


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How do I get a diagram to show me how to put a serpentine belt on a 1998 Ford Escort Station Wagon?

you ask here. Please rate highly

SECTION 303-05: Accessory Drive 1998 Escort/Tracer Workshop Manual
  1. Relieve the drive belt (8620) tension.
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Item Part Number Description 1 10300 Generator 2 19A216 Drive Belt Idler Pulley 3 3D673 Power Steering Pump Pulley 4 8509 Water Pump Pulley 5 6B209 Drive Belt Tensioner 6 19703 A/C Compressor 7 6316 Crankshaft 8 19A216 Drive Belt Idler Pulley 9 8620 Accessory Drive Belt
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