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Premium Member
'02 Bean H6, AWP & ORP, factory hitch
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Discussion Starter #1
I have a 2002 OB H6. Idler pulley and tensioner pulley have been ordered from SubaruPartsForYou.com. Anybody out there who has done these replacements? Advice and tips greatly appreciated! They are listed as oem parts and are metal, not the nylon stuff. Thanks!
 

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2001 VDC/SC One of a Kind
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14,447 Posts
Both pulleys just bolt on to their brackets. When doing the tensioner you need to make sure the back nut stays in place otherwise you'll have to remove the PS pump to get it back together. The pump comes off easy enough and can be removed with the bracket.
 

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03 H6 OBW & 06 WRX Sportwagon
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17,693 Posts
pay attention to how those 'shield washers' come off as I think they have a front/back orientation to keep them from dragging.

you can search for a more info but I think you've got it covered.

common problem - good time to replace serpentine belt if old.
 

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'02 Bean H6, AWP & ORP, factory hitch
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3,113 Posts
Discussion Starter #4
Thanks for the help guys. Lefty-loosey, righty-tighty? I have a torque wrench, do I need it? I'm assuming standard thread direction, but always good to know 1st. And Mr. Lucky, great advice for everybody about the belt replacement. I always have believed that you should go ahead and replace anything rubber or plastic while you have the motor torn down. Belt should arrive with the pulleys. Thanks again for the advice!
 

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2001 VDC Wagon
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202 Posts
No torque wrench required, though I'm sure there is a torque spec somewhere in the FSM. Each of the pulleys has 14mm bolt passing through it with a washer as previously mentioned. I think that the hardest part was remembering the belt routing.
 

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03 H6 OBW & 06 WRX Sportwagon
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Premium Member
'02 Bean H6, AWP & ORP, factory hitch
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3,113 Posts
Discussion Starter #7
I'm going to give it a try when the parts get here. Really grateful to have a source of knowledgeble pekple who are willing to give good advice. Subarus in the South seem to be an anomaly, but I love mine. I'll keep you guys posted on my progress (or lack of it!) and thanks so much again!
 

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'02 Bean H6, AWP & ORP, factory hitch
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3,113 Posts
Discussion Starter #8
Just pulled both pulleys off. The idler was frozen, and the bearing looks like it has been through a grinder. The tensioner was loose. Very loose. The bearing spins fine, but I can tell someone has put a wrench on it in the past. Also, some moron (maybe the same one) had put the washer on backwards! The washer is a keeper for the bearing and it cannot spin when the washer is backwards. Two questions 1: No nut came out with the idler so it should still be where it's supposed to be??
2: The tensioner is listed as "spring loaded". I see no spring nor anyplace a spring should go. What's up with that? These 2 pulleys look identical to each other. Really. I don't get it. Do you guys know?
 

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03 H6 OBW & 06 WRX Sportwagon
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identical

the spring referred to must be the tensioner ARM.
 

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Premium Member
'02 Bean H6, AWP & ORP, factory hitch
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3,113 Posts
Discussion Starter #10
I'm really not sure of any of this now. I paid $25 for the idler and $80 for the tensioner. They look interchangeable. The arm must not look like anything I have ever seen, looked to me to bolt straight into the block. I honestly don't see how it could adjust anything. And that price diff...WTF???
 

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'02 Bean H6, AWP & ORP, factory hitch
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3,113 Posts
Discussion Starter #12
I ordered the pulley only (as far as I know.) Maybe the price difference is a reflection of the entire assembly being shipped. I used SubaruPartsforYou.com and even talked to one of their techs. I told him my issue, and even though the tensioner pulley seemed ok, I went ahead and ordered new stuff. The tech confirmed that what I ordered was correct, and Subaru USA recommends that if you're replacing one, go ahead and do both. So I'll be interested to see what UPS brings me.
 

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'02 Bean H6, AWP & ORP, factory hitch
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3,113 Posts
Discussion Starter #13
pulley swap

Makes more sense now. I checked out the pic on ebay and it is a lot more than just the pulley. I just hope now that the back nut is where it's supposed to be, or that what I ordered comes with a new one. Anyway, I can definitely see the reason for the price difference, and if nothing else, I will have a spare idler pulley to get me out of a temporary jam if I ever have one. Thanks Gary.
 

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OBW H6 VDC, Tribeca, XT6
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I just hope now that the back nut is where it's supposed to be,
i've had them push out and fall out before, it's not a big deal, i've always been able to squeeze it back in there with no issues.
 

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2001 VDC/SC One of a Kind
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14,447 Posts
Makes more sense now. I checked out the pic on ebay and it is a lot more than just the pulley. I just hope now that the back nut is where it's supposed to be, or that what I ordered comes with a new one. Anyway, I can definitely see the reason for the price difference, and if nothing else, I will have a spare idler pulley to get me out of a temporary jam if I ever have one. Thanks Gary.
That does change things up a bit on the tensioner replacement. It will be easier if you remove the PS pump and bracket up from the block. You don't have to remove the lines. Just lift the bracket up enough to replace the tensioner w/pulley and bolt it back down.
 

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'02 Bean H6, AWP & ORP, factory hitch
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3,113 Posts
Discussion Starter #16
It's been raining here, so I haven't been able to look at it further. I was hoping that there would be access to the bolts that hold the tensioner to the block, but it sounds like that's not the case. It's my first Subaru, my hobbies in the past have been modifying Civics to run on the SCCA circuit, but I hurt my back and climbing into and out of one that I've dropped 4 in. and put a bone-jarring suspension into isn't pleasant anymore. What I built back then probably shouldn't have been a daily driver anyway. Guess it was my midlife crisis...haha. But I love my Subie and it is the most functional and dependable car I've ever owned. You guys are great!
 

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Premium Member
'02 Bean H6, AWP & ORP, factory hitch
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3,113 Posts
Discussion Starter #17
Hey cardoc. Tell me about your supercharger when you get time if you don't mind. You may have let the performance bug bite me again!
 

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'02 Bean H6, AWP & ORP, factory hitch
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Discussion Starter #19
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