tensioner pulley
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Posting Guru
Joined: Jul 2008
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From: Blackwater, VA
got front tank sending unit part numbers handy, anyone? i'm really not anxious to repeat the running out of fuel experience...the gauge not working also just bugs me. lol
oh shush william, who says i'd let you mess with her anyways?!
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Posting Guru
Joined: Jul 2008
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From: Blackwater, VA
so when i look on the motorcraft site...why are there like 3 different idler pulleys?! and of course the numbers are not the same and no prices...will napa have the goodyear parts?
Posting Guru
Joined: Nov 2001
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From: Ft Scott
If you have one tensioner pulley, you have the OBS tensioner. If there are two you have a superdoody tensioner.
I think you can just bolt the newer one in and put a longer belt on it. Someone who has done it would have to verify that though.
There are several advantages. The tension range is greater since it wraps the belt around two moving pulleys instead of one. There isn't a out of balance force that causes the tensioner to bend. This reduces the chance of the tensioner running out of true. The chances of breaking a tensioner bolt is less.
I think you can just bolt the newer one in and put a longer belt on it. Someone who has done it would have to verify that though.
There are several advantages. The tension range is greater since it wraps the belt around two moving pulleys instead of one. There isn't a out of balance force that causes the tensioner to bend. This reduces the chance of the tensioner running out of true. The chances of breaking a tensioner bolt is less.
And here's a lousy picture of it mounted:
Here's the TSB that shows how to modify the alternator bracket to make it fit:
http://www.thedieselstop.com/faq/949...les/982314.pdf
FOREIGN GURU
Joined: Jul 2006
Posts: 7,655
Likes: 7
From: Celaya, Gto. MX
If you have one tensioner pulley, you have the OBS tensioner. If there are two you have a superdoody tensioner.
I think you can just bolt the newer one in and put a longer belt on it. Someone who has done it would have to verify that though.
There are several advantages. The tension range is greater since it wraps the belt around two moving pulleys instead of one. There isn't a out of balance force that causes the tensioner to bend. This reduces the chance of the tensioner running out of true. The chances of breaking a tensioner bolt is less.
I think you can just bolt the newer one in and put a longer belt on it. Someone who has done it would have to verify that though.
There are several advantages. The tension range is greater since it wraps the belt around two moving pulleys instead of one. There isn't a out of balance force that causes the tensioner to bend. This reduces the chance of the tensioner running out of true. The chances of breaking a tensioner bolt is less.
Posting Guru
Joined: Feb 2008
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Post Fiend
Joined: Feb 2009
Posts: 8,773
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From: Texas Coast
Tried to Rep
Here's the SD dual pulley tensioner:
And here's a lousy picture of it mounted:
Here's the TSB that shows how to modify the alternator bracket to make it fit:
http://www.thedieselstop.com/faq/949...les/982314.pdf
And here's a lousy picture of it mounted:
Here's the TSB that shows how to modify the alternator bracket to make it fit:
http://www.thedieselstop.com/faq/949...les/982314.pdf
Senior User
Joined: Oct 2008
Posts: 244
Likes: 0
From: ON & AB, Canada
Here's the SD dual pulley tensioner:
And here's a lousy picture of it mounted:
Here's the TSB that shows how to modify the alternator bracket to make it fit:
http://www.thedieselstop.com/faq/949...les/982314.pdf
And here's a lousy picture of it mounted:
Here's the TSB that shows how to modify the alternator bracket to make it fit:
http://www.thedieselstop.com/faq/949...les/982314.pdf
cool...will have to keep that in mind. reps sent
Hotshot
Joined: Dec 2006
Posts: 14,069
Likes: 17
From: Melbourne, Ky
Well I have to say that my stock tensioner puller has a short arm and the new one has a larger arm, both with only one pulley, and the original belt was very tight to get in, but it does, I better bougth a larger one (about 2" IIRC) and fitted very well. I dont know if that can be considered like an upgrade
FOREIGN GURU
Joined: Jul 2006
Posts: 7,655
Likes: 7
From: Celaya, Gto. MX
Till I know the only with left handed threads is the pulley of the tensioner.
Cargo Master
Joined: Jul 2006
Posts: 2,756
Likes: 38
From: Nampa, ID
Looks like I have the "superdoody" upgrade. No wonder the belt was a PITA to install. I didn't know there were two different sizes. I'll hafta remember to ask for two "large" belts when I get ready to replace this one. Gotta have a spare of the right size.
