Tensioner Replace - Ford Powerstroke Diesel Forum

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post #1 of 11 Old 11-16-2012, 09:25 AM Thread Starter
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Tensioner Replace

I just changed my belt and in the process noticed the tensioner is off axis like a bearings gone or something. It off to one side under tension. Since I've never seen one off I was wondering if someone could tell me what goes wrong with these things. To get it off is it just that one center tork bolt? What all can ya'll tell me about this? thanks! 160k miles

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post #2 of 11 Old 11-16-2012, 09:30 AM
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How many miles on it?
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post #3 of 11 Old 11-16-2012, 09:31 AM
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There is a spring in there and they wear over time, all of them do from the rangers to the F350, replaced and sold tons of them. Probly due to be replaced
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post #4 of 11 Old 11-16-2012, 11:30 AM Thread Starter
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easy peazy with a t50. replacement has a longer arm but same belt length. it orients a little different with 2 nub tabs that fit into corresponding holes in the mount. old tensioner kind of hollow in the middle...center relied on the nubs and just the head of the bolt. new part has support total length of bolt which makes more sense to me.
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post #5 of 11 Old 11-16-2012, 11:31 AM
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so you fixed it presume?
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post #6 of 11 Old 11-16-2012, 06:50 PM
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Another option - the later trucks have a dual-pulley tensioner that takes the place of our tensioner and the ribbed idler that's next to it. The pivot point is between the two pulleys, so it's less likely to go off-kilter like yours has. There's a TSB that shows how you can modify the bracket on our trucks to accomodate this tensioner.
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post #7 of 11 Old 11-17-2012, 06:23 PM
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Originally Posted by madpogue View Post
Another option - the later trucks have a dual-pulley tensioner that takes the place of our tensioner and the ribbed idler that's next to it. The pivot point is between the two pulleys, so it's less likely to go off-kilter like yours has. There's a TSB that shows how you can modify the bracket on our trucks to accomodate this tensioner.
Is this an easy upgrade to do? My tensioner is worn so that the pulley is no longer aligned and don't mind upgrading if it is not too much work.

Thanks!!

Denton, TX

I envy those that know exactly which modification to make and in the most logical of sequences. But not enough to trade for my meanderings and misfires.

1996 F250 crew cab/short bed, 4x4, auto PSD, 6637 air filter, interior grab handles, stainless window vents, remote door locks work with engine running mod.
Link to my D60 refurb and OBS swap thread
Link to my OBS air vent R&R thread
Link to my grab handle install
Link to my tire size comparison pics
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post #8 of 11 Old 11-18-2012, 06:05 AM Thread Starter
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Doesn't look very difficult.
Attached Files
File Type: pdf TSB 98-23-14 Dual Tensioner.pdf (20.0 KB, 102 views)
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post #9 of 11 Old 11-19-2012, 03:42 AM
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Originally Posted by truex14 View Post
Doesn't look very difficult.
Good info, thanks!!

Denton, TX

I envy those that know exactly which modification to make and in the most logical of sequences. But not enough to trade for my meanderings and misfires.

1996 F250 crew cab/short bed, 4x4, auto PSD, 6637 air filter, interior grab handles, stainless window vents, remote door locks work with engine running mod.
Link to my D60 refurb and OBS swap thread
Link to my OBS air vent R&R thread
Link to my grab handle install
Link to my tire size comparison pics
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post #10 of 11 Old 02-13-2013, 03:59 PM
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Re: Tensioner Replace

Interesting

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