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 Searching for HD cooling tensioner

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goldwolfnhn
Buicknutt
booster
silverfox103
CanaveralSB
sherlock9c1
Eds rmw
Chuck Wagon
Fred Kiehl
Winfield.brookins
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Winfield.brookins




Posts : 1
Join date : 2017-01-16

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PostSubject: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeMon Jan 16, 2017 3:19 pm

One of my customers cars broke a tensioner and I'm having a hard time finding it. Willing to pay $60+, and I'd rather not do an electric swap.
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Fred Kiehl

Fred Kiehl


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Location : Largo, FL 33774

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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeWed Jan 18, 2017 8:38 pm

I will have one in a month or so. I realize the owner wants it sooner, but that is the best I can do, unless some fresh meat shows up in the local yards.
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Fred Kiehl

Fred Kiehl


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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeThu Jan 19, 2017 8:37 am

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Chuck Wagon




Posts : 2
Join date : 2016-03-18

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PostSubject: New HD Cooling Belt Tensioners - extinct?   Searching for HD cooling tensioner Icon_minitimeTue Jun 26, 2018 6:09 pm

Howdy - it appears it's been a while since this topic has been brought up.

Has it been confirmed throughout the whole whale universe that there are no known new/NOS HD tensioners out there?

Today I discovered a '96 at a local repair shop, the car's been down for 5 or six months, mechanic said they have looked everywhere.

Thought I might be able to help by looking here...
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Eds rmw




Posts : 78
Join date : 2016-06-29
Location : Piedmont sc

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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeTue Jun 26, 2018 7:36 pm

I have one. Please p.m. me
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sherlock9c1




Posts : 2344
Join date : 2009-05-28
Location : Huntsville, AL

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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeWed Jun 27, 2018 1:49 pm

They have been unavailable new or aftermarket for years.
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CanaveralSB




Posts : 21
Join date : 2016-08-24
Location : Santa Barbara CA

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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeTue Dec 15, 2020 7:22 pm

Another person, same request. Anyone have a tensioner I could purchase? Thanks.
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silverfox103
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silverfox103


Posts : 3259
Join date : 2008-11-05
Age : 72
Location : Littleton, NH & St. Simons, GA

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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeTue Dec 15, 2020 11:07 pm

CanaveralSB wrote:
Another person, same request.  Anyone have a tensioner I could purchase? Thanks.

PM sent
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CanaveralSB




Posts : 21
Join date : 2016-08-24
Location : Santa Barbara CA

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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeFri Dec 18, 2020 10:06 am

Sadly, Tom's kind lead did not work out, so I am still looking for an HD tensioner if anyone has one.
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Fred Kiehl

Fred Kiehl


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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeTue Dec 22, 2020 5:00 pm

I just picked one. $75 plus $12 shipping. I accept paypal at jfkiehl@ij.net.
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Fred Kiehl

Fred Kiehl


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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeWed Dec 23, 2020 9:06 pm

I sold it on facebook.
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Fred Kiehl

Fred Kiehl


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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeSun Jan 31, 2021 9:55 am

I have another tensioner. I would like $75 plus $12 shipping. I have it on ebay, so if you are interested let me know quickly. I accept paypal.
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booster




Posts : 308
Join date : 2020-04-21
Location : Andover, Minnesota

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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeSun Jan 31, 2021 10:32 am

Has anyone looked to see if the one could be made? Perhaps the spring can from another application with a machined or fabricated mount and arm? What makes that unit so unique?
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Fred Kiehl

Fred Kiehl


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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeSun Jan 31, 2021 10:51 am

I thought of that as an option, but have not investigated it. The mount is a unique part, but the rest of it may be just as unique. The pulley is also unique, as far as I can determine. It is a small ribbed pulley. The unit can be disassembled with a Torx bit.
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sherlock9c1




Posts : 2344
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Location : Huntsville, AL

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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeSun Jan 31, 2021 9:29 pm

Look at one from a 99-06 GM truck with the 5.3. The pulley might just swap over and the spring could be swapped as well if you're very careful. Yes, the spring (and whatever they use for dampening) does wear.
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Buicknutt

Buicknutt


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Join date : 2012-02-10
Location : Cali for now

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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeSat Mar 13, 2021 4:04 am

I called Gates to inquire about reproducing if I placed a large order. They said the molds have been destroyed and it would cost $60k to reproduce them
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Fred Kiehl

Fred Kiehl


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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeSat Mar 13, 2021 7:46 am

Maybe someone could 3D print the parts out of metal.
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booster




Posts : 308
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Location : Andover, Minnesota

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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeSat Mar 13, 2021 8:16 am

Fred Kiehl wrote:
Maybe someone could 3D print the parts out of metal.

I was thinking the same thing. Of course it would need to be very good high strength, high temp, sintered metal materials which are expensive and require furnaces and such. Probably also a custom spring wind which require minimums and are fairly expensive.

I think it could be done.

I haven't seen the castings, but it is also possible a CNC machine could profile them depending on the geometry.
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Fred Kiehl

Fred Kiehl


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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeSat Mar 13, 2021 8:55 am

I believe the issue is the spring. If there is another tensioner with the same spring it could be swapped. I believe the HD tensioner can be disassembled, because the center bolt is a hex. I would be extremely careful with it. Having a fair size order of specific springs could make the cost reasonable.
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booster




Posts : 308
Join date : 2020-04-21
Location : Andover, Minnesota

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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeSat Mar 13, 2021 10:01 am

Fred Kiehl wrote:
I believe the issue is the spring. If there is another tensioner with the same spring it could be swapped. I believe the HD tensioner can be disassembled, because the center bolt is a hex. I would be extremely careful with it. Having a fair size order of specific springs could make the cost reasonable.

When I was still working, we would order custom wound springs pretty regularly for prototypes and sometimes for old equipment where the springs were no longer available from the OEM. They were not very bad price wise as you might think. Most winders are used to needing to do prototypes as that is where most of their new business for big quantities come from. Haven't done any in the last probably 15 years but I would assume it would still be similar, especially with the rapid prototyping now available nobody has time to go offshore for things like spring prototypes.
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goldwolfnhn




Posts : 264
Join date : 2019-07-11
Location : De Pere, Wisconsin

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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeSat Mar 13, 2021 10:38 am

there is a stainless steel filament that can be used on most 3d printers that can be debound and sintered to leave behind a solid metal part, but the problem again is cost.

All filament rolls are sold by weight, a 3kg or 6.6lb roll costs about $465, and then the processing tickets range from 50 to 80 dollars but each one is supposed to be good for up to one kg of parts. however there are nylon composite filaments that have carbon fiber, glass fiber, and Kevlar fiber in them, but sadely my printer is currently unable to print these materials due to the hotend temps required to get good layer adhesion.

As for springs maybe someone could look at supercharger tensioner springs, as I've seen them for sale so maybe one of those type might be the right tension for use.
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Fred Kiehl

Fred Kiehl


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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeSat Mar 13, 2021 8:47 pm

goldwolfnhn wrote:
there is a stainless steel filament that can be used on most 3d printers that can be debound and sintered to leave behind a solid metal part, but the problem again is cost.

All filament rolls are sold by weight, a 3kg or 6.6lb roll costs about $465, and then the processing tickets range from 50 to 80 dollars but each one is supposed to be good for up to one kg of parts. however there are nylon composite filaments that have carbon fiber, glass fiber, and Kevlar fiber in them, but sadely my printer is currently unable to print these materials due to the hotend temps required to get good layer adhesion.

As for springs maybe someone could look at supercharger tensioner springs, as I've seen them for sale so maybe one of those type might be the right tension for use.

The spring must physically fit the case as well.
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CanaveralSB




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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeThu Jun 17, 2021 11:26 pm

One more person looking for a tensioner. If someone has one I’d be happy to pay well for it. Thanks.
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dwardo




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Join date : 2010-06-18

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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeSun Dec 12, 2021 10:54 pm

I am almost certain I have one, and also the fan and shroud and etc. I took off when I did my fan delete. Problem is that I am in physical rehab for a broken ankle and have no idea when I will get out of here. I have a buddy who sometimes uses my garage on weekends. Next time I know he will be there I will ask him to go up into the loft and take some pix. I too would take $75 plus shipping if that is the going price. If it's up there I'll have to scratch my head some on the shipping.
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Fred Kiehl

Fred Kiehl


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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeSat Jan 01, 2022 4:51 pm

I picked a tensioner today. The pulley is a little chipped up, but the tensioner still works. $75 plus $12 shipping. BTW shipping will be going up this winter. 5-8%.
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Swaggerwagon

Swaggerwagon


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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeSun Jan 02, 2022 6:18 pm

I do love ‘Apollo 13’ type discussions….about finding solutions to seemingly impossible problems (replacement tensioner unavailable). Used to have a super cheap boss, we called ourselves ‘Cuban mechanics’. Getting that SOB to buy parts to fix a truck properly wasn’t an option….we’d have make repairs with what we had on hand, or we could salvage. Anywho, I’m rambling. My question, how much do some guys HATE electric fans? 3D printing, smelting operations, springs wound to aerospace specs? I get there’s a simplicity to mechanical fans….but treat yourself to a modern upgrade! Electric fans are just more efficient, and free up a teeny bit of power. Just my two cents. All in good fun!

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Fred Kiehl

Fred Kiehl


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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeThu Jan 13, 2022 11:17 am

I still have the tensioner.
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Purplezombie




Posts : 20
Join date : 2022-01-16

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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeYesterday at 8:30 pm

Fred Kiehl wrote:
I still have the tensioner.

I have the heavy duty tow pack with mechanical fan on mine. Starting to have a squeek and I'm not sure where it's coming from, might need this tensioner if it's still available. Are they rebuildable? Am I correct when I say that GM part number 88920945 is the tensioner for accesory belt (readily available) and the tensioner you are referring to that is no longer made is the tensioner for the V belt on the mechanical fan?
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Fred Kiehl

Fred Kiehl


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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeToday at 1:36 am

The one I have is for the fan. It has a serpentine style belt.

You can not rebuild the tensioner, but you can replace the bearing in the pulley.

Squeeking can be anything from a bad bearing to a slipping belt.
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Rev Bob




Posts : 397
Join date : 2016-05-24

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PostSubject: Re: Searching for HD cooling tensioner   Searching for HD cooling tensioner Icon_minitimeToday at 7:00 am

""Starting to have a squeek""

Spray Armor All on the drive belt. If the squeak instantly quiets, it is coming from the belt itself. Our cars seem to get a problem as they age and the various pully surfaces get polished. A new belt will help, but only for a short time. The only permanent "cure" is a segmented groove serpentine drive belt, which is getting hard to find.

You might also want to look at the harmonic balancer ring to see if it has become unbonded.
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