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VW MKIII-A3/B4 TDIs This is a discussion about MKIII-A3/MkIII Jetta/Golf (<99.5) and B4 Passats (96,97) TDI's. Non TDI related postings will be moved or removed.

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Old March 4th, 2015, 12:53   #31
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Quote:
Originally Posted by Digital Corpus View Post
Would you mind emailing it to me?
Just sent 2 files.
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Old March 4th, 2015, 12:53   #32
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Yeah, use whatever images of mine you like.
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Old March 4th, 2015, 13:40   #33
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This here might work. It's a 15mm ID, 17 mm OD sleeve bearing. There are other alternatives available too, if you're one of many of us with the 15mm bushing.
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Old March 4th, 2015, 14:09   #34
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Good find DC, but the hex end of the 15mm hub is only 17mm and responsible for holding the pulley away from the engine and would have only the points of the hex doing that job, which are also chamfered if you look closely. There are 40mm OD by 15mm ID bearings out there or a small-scale group buy here
I never like rigging stuff up baby-carriage stye...as a last resort, this is an option as well
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Last edited by TDIDaveNH; March 4th, 2015 at 21:14.
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Old March 4th, 2015, 14:13   #35
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Or you can stack a washer against the hex side, no? I'll keep those links in mind since I've not had a chance to search for the odd-size bearings yet.
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Old March 4th, 2015, 14:30   #36
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Yup, the simple solutions seem to elude me right away, lol. I edited my last post with a link for some 19mm hex stock to make these on a lathe.
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Old March 11th, 2015, 14:43   #37
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Here is some less expensive hex bar stock
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Old March 11th, 2015, 15:47   #38
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I don't think I would use aluminum just on the basis of thread strength.
I guess the Gates version of 028145278A also has the 17mm hub. Abacus bought one recently through Amazon but when I checked on it a couple days ago, all there was was ones with the 15mm hub by other manufacturers So evidently they are still available but you do have to do some online digging and scrutinize photos closely.

I do know the ones made by Meyle are 15mm but have not researched others
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Old March 11th, 2015, 17:28   #39
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Well, for about 2x the cost, there is grade 7075 aluminum that can be use, fwiw.

At quick google search, since 0.75" = 19.275mm, yields several inexpensive options compared to your first link. All of those are 3' lengths for less than $20.

I've not had a chance to go over the rollers just yet...

Just finished doing an update for the carbon/graphite brushes a little while ago. It's hard to find anything not on eBay or produced in the US that isn't stupendously expensive, $60 ea., so I'm open to other sources.
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Last edited by Digital Corpus; March 11th, 2015 at 17:41. Reason: steel and typos
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Old January 12th, 2016, 11:59   #40
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Updated prices and added the recent Dayco Roller. Come tax return season, I'm going to have some disposable income so I'll be picking up a couple of these to confirm dimensions and fitment for the sake of thoroughness.
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Old January 30th, 2016, 02:34   #41
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Boca just popped up a youtube ad for 15% off with the code 15GBBOCA13 and they state that it's good for any bearings. Just an FYI
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Old April 4th, 2016, 05:58   #42
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Is there any interest for me making some stainless steel idler pulleys? Or whatever material you like, for that matter. Dave - what exactly are you suggesting about getting a larger, stronger bearing and building a pulley around it? I can do exactly that with no issues. I was approached a while back about making the 17mm spacer sleeves, and I feel like revisiting it now.
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Old April 6th, 2016, 00:28   #43
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Yeah, sorry for not following through about the hub ideal that long while back.

I myself wouldn't want an aluminum pulley unless it's heavier than the stock one. The stainless one is a nice idea, but what alloy would be used to help with cost? I don't know if I'm the only one who wants the inertia benefit from a heavier pulley.
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Old April 6th, 2016, 05:08   #44
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Aluminum would definitely be heavier than the plastic one with all the speed holes in it. I'll have to check on cost for stainless roundstock that size and see how much it compares with other options. I won't be doing anything fancy with it, just turning it down enough to work without hitting anything. The more material left, the better - at least as far as inertia is concerned.
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Old April 6th, 2016, 11:02   #45
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1997 Passat 5 speed - No longer bi-tone
2.5" Straight-pipe exhaust CCV/EGR Deleted Malone Stage 3, 2.0 IQ Autometer Gauges Billet Stuff
Billet Coolant Flanges - Idler Pulleys - CCV plates - Window Guide Clips

Last edited by thechoochlyman; April 6th, 2016 at 13:32.
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