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Old 04-08-2009, 11:56 AM   #1
sciroccokid
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Default Which Pulley To Replace? Timing Belt Job

I have everything I need for a timing belt job, save one thing - "the lower pulley".

I am replacing the belt, water pump, tensioner, and "lower pulley".

The problem is I don't know which pulley they are referring to. Supposedly in New England the weather can cause this lowest pulley to fail.

Does anyone know which pulley this is, and perhaps its part number?

Thx.
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Old 04-08-2009, 12:14 PM   #2
emsmap
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are you referring to the crank pully? Or the tensioner pully?
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Old 04-08-2009, 12:53 PM   #3
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There are 4 idler pulleys. The toothed pulley and one of the smooth pulleys are on the bottom; I don't know which one would be "the lower".

I changed them all.
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Old 04-08-2009, 01:08 PM   #4
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I have the whole list with part numbers.....at home. I can post it in a few hours.
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Old 04-08-2009, 01:46 PM   #5
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if you could post that list it would be very helpful. The guys over at DSG said one pulley in particular had been known to fail. It was described as the lower pulley. Not sure which one they meant. I will give them a call.

Thx!
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Old 04-08-2009, 02:51 PM   #6
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I was given these numbers by Jamie at subarugenuineparts.com for a 2002 WRX:

Large idlers (RH side), qty 2: 13073AA142
Toothed idler: 13085AA080
Small idler: 13073AA200

While you're in there, you might want to do the oil pump seals (mine was starting to seep just a bit, not a real leak but starting to):

oil oring 10991AA001
crank seal 806733030

and of course liquid gasket and be sure the screws on the back of the oil pump are tight.
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Old 04-08-2009, 03:07 PM   #7
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There are only 2 idler pulleys on the bottom of the 2.0L WRX. There is the splined pulley that mounts directly to the left side of the water pump pulley.... then the one on the "bottom left" side of the motor next to oil pump. This pulley is smooth and can be replaced with the exact same part number as the pulley directly above it. I just installedall new pulleys on a new OEM motor on Friday and have been daily driving it since. Part #13073-AA142 ...just get 2 and replace them both if you have over 100k on the motor. Same goes for the other pullies if you spin them and notice a "rollerskate" sound
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Old 04-08-2009, 04:39 PM   #8
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will do meatbawl. What's the going rate on those pulley's these days.
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Old 04-08-2009, 05:40 PM   #9
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1x 13028AA240 BELT TI $164.95
1x 13033AA042 ADJUS TE $164.95
2x 13073AA142 PT340 29 $164.90 (2 * $82.45)
1x 13073AA230 IDLER C $86.77
1x 13085AA080 IDLER C $90.00
1x 21111AA240 WATER P $153.95
1x 21114AA051 GASKE T $4.76
1x 21210AA030 THERM O $34.44

That was my quote.
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Old 04-08-2009, 10:18 PM   #10
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Quote:
Originally Posted by dauss View Post
1x 13028AA240 BELT TI $164.95
1x 13033AA042 ADJUS TE $164.95
2x 13073AA142 PT340 29 $164.90 (2 * $82.45)
1x 13073AA230 IDLER C $86.77
1x 13085AA080 IDLER C $90.00
1x 21111AA240 WATER P $153.95
1x 21114AA051 GASKE T $4.76
1x 21210AA030 THERM O $34.44

That was my quote.
Holy hell! $864 for parts alone!?
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Old 04-08-2009, 10:34 PM   #11
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That doesn't even include the oil O ring, crank seal, powersteering belt, A/C belt, and tax.

I'm going to get the Gates Racing belt for $100 shipped from TiC, and I've got a discount on the rest of the stuff. That's just list price. I wish I jumped in on the group buy that TiC did last month.
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Old 04-09-2009, 01:09 PM   #12
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Shop around. I found Carquest to be the most reasonable in prices. I'll find the parts # and price as soon as I get home but from my knowledge, the water pump from CarQuest was $90. I didn't spend as nearly as $800 for everything---and I'm doing the same maintenance job.
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Old 04-09-2009, 04:03 PM   #13
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hey guys do you know the for sure cheapest place to get this stuff i think i am in the same boat where my timing belt is going and i might as well do all the rest of the replacements im coming up on 150,000K
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Old 04-09-2009, 05:25 PM   #14
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Those must be list prices. I got the belt, tensioner, 4 pulleys, water pump, plus gaskets, o ring, seals, etc., all OE, from Jamie at subarugenuineparts.com for about $500 + shipping.

You can find cheaper...there are timing belt kits on ebay that look decent...if you're willing to get non-Subaru parts.
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Old 04-09-2009, 05:43 PM   #15
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Quote:
Originally Posted by skweak View Post
hey guys do you know the for sure cheapest place to get this stuff i think i am in the same boat where my timing belt is going and i might as well do all the rest of the replacements im coming up on 150,000K
You are at almost 150K Miles and the timing belt has not been changed yet?
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Old 04-09-2009, 07:40 PM   #16
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http://cgi.ebay.com/ebaymotors/2002-...Q5fAccessories

I just installed this kit (minus the water pump) on a brand new motor. All parts were OEM from Subaru except the splined pulley, and the 2 larger smooth pulleys and their corresponding bolts. The only difference in these pulleys was the coating. The OEM ones had a zinc or "brass" colored coating, while the PCI pulleys were more of an aluminum looking finish. The belt in this kit is a Mitsubishi belt, which I was told is the same ones used by Subaru in the factory anyway. When I held it side-by-side to my STI's old timing belt (had only 9000 miles on it) they were identical in texture and size... it even had the "brown" layer in the center of the belt (kevlar?) I will be checking my PCI kit every 20k miles to make sure it's holding up.. but from the looks of the kit, I don't think I'll have anything to worry about. Remember, "ebay" is not a brand! Getting a kit from another seller could mean getting a completely different kit that could be junk. Please also note that if you get the kit from them that has the replacement bearing for the tensioner rather than a new tensioner w/bearing... that the bearing might not fit on the old '02-'03 tensioner. Just get the kit with the updated complete tensioner from them (unless your motor is '04+)
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Old 04-10-2009, 02:50 AM   #17
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Quote:
Originally Posted by Meatbawl View Post
http://cgi.ebay.com/ebaymotors/2002-2007-Subaru-WRX-Turbo-Timing-Belt-Kit_W0QQcmdZViewItemQQ_trkparmsZ72Q3a1205Q7c66Q3a2 Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318Q7c301Q3a1Q7c293Q3 a1Q7c294Q3a50QQ_trksidZp3286Q2ec0Q2em14QQhashZitem 370184315659QQitemZ370184315659QQptZMotorsQ5fCarQ5 fTruckQ5fPartsQ5fAccessories

I just installed this kit (minus the water pump) on a brand new motor. All parts were OEM from Subaru except the splined pulley, and the 2 larger smooth pulleys and their corresponding bolts. The only difference in these pulleys was the coating. The OEM ones had a zinc or "brass" colored coating, while the PCI pulleys were more of an aluminum looking finish. The belt in this kit is a Mitsubishi belt, which I was told is the same ones used by Subaru in the factory anyway. When I held it side-by-side to my STI's old timing belt (had only 9000 miles on it) they were identical in texture and size... it even had the "brown" layer in the center of the belt (kevlar?) I will be checking my PCI kit every 20k miles to make sure it's holding up.. but from the looks of the kit, I don't think I'll have anything to worry about. Remember, "ebay" is not a brand! Getting a kit from another seller could mean getting a completely different kit that could be junk. Please also note that if you get the kit from them that has the replacement bearing for the tensioner rather than a new tensioner w/bearing... that the bearing might not fit on the old '02-'03 tensioner. Just get the kit with the updated complete tensioner from them (unless your motor is '04+)
Wow, great find! Any particular reason you didn't use their Waterpump?
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Old 04-10-2009, 03:05 AM   #18
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I only posted that one because it's an all-around complete kit that will work on any 02-04 and includes the waterpump everyone is including in their estimates. They sell a variety of different kits to suit your tastes. I happened to have a newer waterpump I got cheap from a friend I am willing to bet that their waterpump is identical, if not, OEM.
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Old 04-10-2009, 09:28 PM   #19
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order my pci kit a month ago or so. around 300ish with water pump. Have yet to install all looks as good as the kit i saw yesterday on the wall at smart service a subaru only repair shop.
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Old 04-10-2009, 10:02 PM   #20
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I ordered this kit some time ago. will be installing it in a few weeks.

Quote:
Originally Posted by Meatbawl View Post
http://cgi.ebay.com/ebaymotors/2002-...Q5fAccessories

I just installed this kit (minus the water pump) on a brand new motor. All parts were OEM from Subaru except the splined pulley, and the 2 larger smooth pulleys and their corresponding bolts. The only difference in these pulleys was the coating. The OEM ones had a zinc or "brass" colored coating, while the PCI pulleys were more of an aluminum looking finish. The belt in this kit is a Mitsubishi belt, which I was told is the same ones used by Subaru in the factory anyway. When I held it side-by-side to my STI's old timing belt (had only 9000 miles on it) they were identical in texture and size... it even had the "brown" layer in the center of the belt (kevlar?) I will be checking my PCI kit every 20k miles to make sure it's holding up.. but from the looks of the kit, I don't think I'll have anything to worry about. Remember, "ebay" is not a brand! Getting a kit from another seller could mean getting a completely different kit that could be junk. Please also note that if you get the kit from them that has the replacement bearing for the tensioner rather than a new tensioner w/bearing... that the bearing might not fit on the old '02-'03 tensioner. Just get the kit with the updated complete tensioner from them (unless your motor is '04+)
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Old 04-11-2009, 11:21 AM   #21
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Here's a pic of the kit on the motor. (note that the lower right hand splined pulley was not the one included in the kit. I had a brand new OEM one on hand that I had already "loctited" in, so I didn't mess with it). Might I also add that the Mitsubishi belt that is included in the kit has precise and clear markings on it, making it VERY easy to line up and install compared to 2 different OEM subaru marked belts I took off 2 STI motors this weekend.

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Old 04-11-2009, 05:59 PM   #22
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Wow that actually looks like a pretty good kit. I ended up ordering most of my stuff from a couple of different places when I was getting all my components for the Timing Belt job. I'll probably try that kit from eBay next time around.
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