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| gelenda Veteran Date registered: Mar 2012 Location: Great Bay, New Hampshire Vehicle(s): '03 G500, '16 E63S AMG, '15 Grand Cherokee Diesel Posts: 122  | ||
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| J.R. Elite Veteran Date registered: Apr 2006 Location: Southern Maryland Vehicle(s): 00 G500, 09 911 4S, 11 Cayenne S, 86 280GE (sold) Posts: 828  | ||
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| gelenda Veteran Date registered: Mar 2012 Location: Great Bay, New Hampshire Vehicle(s): '03 G500, '16 E63S AMG, '15 Grand Cherokee Diesel Posts: 122 | ||
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| 4x4abc Date registered: Apr 2006 Location: La Paz, Baja California, Mexico Vehicle(s): 02 G500  | Re: Tensioner pulley replacement no need to pull the radiator I recommend to remove the upper hose though but you'll be working by the feel of your fingertips only flashlight and mirror(s) will help locate the 17 mm nut below the tensioner with socket and longest possible handle turn left to release tension secure with pin (or long nail) remove belt (take picture of layou!) remove tensioner replace pulley put unit back in (17.jpg) (pin.jpg) Attachments ----------------  17.jpg (274KB - 6 downloads) pin.jpg (213KB - 5 downloads) | |
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| Otiswesty Administrator Date registered: Jun 2007 Location: Portland, Oregon Vehicle(s): 463.241, 461.213 Posts: 3004  | ||
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| gelenda Veteran Date registered: Mar 2012 Location: Great Bay, New Hampshire Vehicle(s): '03 G500, '16 E63S AMG, '15 Grand Cherokee Diesel Posts: 122 | Re: Tensioner pulley replacement Finally got around to doing this over the weekend. The ball bearing seized completely so there wasn't much left of the plastic part of the pulley. I was able to replace the pulley without removing the fan shroud or the upper radiator hose. It was mostly just a matter of having various lengths of 10mm sockets and a suitable extension for the wrench. Is it not possible to remove the pulley while leaving the tensioner in place? I realized that after I put the new pulley on the tensioner, there was no way to get it back into place without removing the fan shroud. So I ended up taking the pulley off, installing the tensioner itself and then attaching the pulley to it. Edited by gelenda 10/6/2014 1:07 PM (photo(2).JPG) Attachments ---------------- photo(2).JPG (121KB - 3 downloads) | |
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| leomd Member Date registered: Nov 2013 Location: Miami, Florida Vehicle(s): 2002 G500-Bessie Posts: 33  | RE: Tensioner pulley replacement I am impressed that you guys can service the idler and tensioner without removing the fan and fan shroud. I would never be able to fit my hands with the fan installed and would be worried about damaging the radiator if a wrench broke free. A simple investment in a fan clutch tool set or just a 36mm wrench makes the job extremely easy. Most of the time if you just put a 36mm wrench on the fan nut and hit it lightly with a mallet it will loosen without the use a holder. I found a fan clutch wrench (36mm) for $17 on ebay and holder for about the same. Removing the fan and shroud (held on by clips) only takes an extra 2 minutes and gives you all the room in the world without having to remove any hoses or open your cooling system. It also makes removing and replacing the serpentine belt much easier. Edited by leomd 10/16/2014 12:31 PM (fanclutch.JPG) Attachments ---------------- fanclutch.JPG (23KB - 2 downloads) | |
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| 4x4abc Date registered: Apr 2006 Location: La Paz, Baja California, Mexico Vehicle(s): 02 G500 | ||
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| leomd Member Date registered: Nov 2013 Location: Miami, Florida Vehicle(s): 2002 G500-Bessie Posts: 33 | RE: Tensioner pulley replacement Yes, that is true - I usually put a piece of thick cardboard over the radiator for a bit of protection. Doesn't removing the upper rad hose make things really messy? I would imagine antifreeze gets everywhere. Just out of curiosity I took a look at WIS - they detail removing fan+shroud but then again thats not saying much as WIS is notorious for leading you on a goose chase  L Attachments ---------------- belt tensioner.pdf (299KB - 3 downloads) | |
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| 4x4abc Date registered: Apr 2006 Location: La Paz, Baja California, Mexico Vehicle(s): 02 G500 | RE: Tensioner pulley replacement removing the upper hose from the radiator (only from the radiator) makes you lose a few drops of fluid I then fold the hose back over the engine and secure it there now higher than the inlet on the radiator, it does not leak a drop (work.jpg) Attachments ---------------- work.jpg (333KB - 3 downloads) | |
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| DUTCH Administrator Doppelgänger Date registered: Apr 2006 Location: US, GA, Atlanta Vehicle(s): 2015 Audi Q7 3.0 TDI,2018 Sprinter Posts: 9963 | RE: Tensioner pulley replacement leomd - 10/17/2014 4:38 PM Just out of curiosity I took a look at WIS - they detail removing fan+shroud but then again thats not saying much as WIS is notorious for leading you on a goose chase L Interesting. I've been using the WIS for several years now, and have not found that to be the case. | |
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| leomd Member Date registered: Nov 2013 Location: Miami, Florida Vehicle(s): 2002 G500-Bessie Posts: 33 | ||
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