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Brakes & Suspension Forum sponsored by The Tire Rack |
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12-11-2018, 05:34 PM | #376 |
Scooby Newbie
Member#: 494590
Join Date: Nov 2018
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Although I have yet to go ahead to test this fix, I have some updated information that hopefully will help people with the clunking issue.
I reached out to Pedders regarding their OEM replacements for strut mounts including the old TSB back in 2016 that addressed the redesign to fix the popping noise as per below: https://subaru.oemdtc.com/333/poppin...ubaru#more-333 Their response is quoted as follows: "The OEM mounts are notorious for being noisy. Our 585013's have been used to fix this issue on vehicles since they have been introduced. We have not had any issues with them popping or making noise." Rallysportsdirect sells these parts and previously listed the material used as polyurethane. I reached out to them to confirm as Pedders advised me its rubber. RSD has confirmed with them and updated the information on their website. Has anyone tried using Pedders for replacement? I plan to do it in the next month as the cheapest fix before going full coilovers and will update with the results. I hope it is a permanent fix as many members have reported that the issue comes back after a while.
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12-11-2018, 08:12 PM | #377 |
Scooby Newbie
Member#: 462803
Join Date: Feb 2017
Location: Pittsburgh, PA
Vehicle:2015 WRX Dark Grey Metallic |
Try replacing your front sway bar bushings, I used the super pro they are they 20 bucks I also performed the steering tsb or what ever it is called at the same time replacing the little spring. It eliminated pretty much all of my front rattle at low speed that was driving me crazy!
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12-12-2018, 08:01 AM | #378 | |
Scooby Newbie
Member#: 475518
Join Date: Oct 2017
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12-12-2018, 11:09 AM | #379 |
Scooby Newbie
Member#: 487919
Join Date: Jul 2018
Chapter/Region:
Tri-State
Location: Long Island
Vehicle:2019 WRX Lapis Blue Pearl |
bueckerjl, btec. Good stuff guys. I started researching coilovers, but would rather avoid the big $ they command. I'll look forward to your feedback on the aftermarket top hats.
Got me wondering if installing aftermarket top hats void some, if not all, related components (like wheel bearings, axles, control arms, etc.) Edit/addition: I've reached out to SOA, but it was a bs response as expected. "no recalls or TSBs related". I have zero faith they'll do anything about it. Last edited by livewoutlimit; 12-12-2018 at 11:47 AM. |
12-12-2018, 08:44 PM | #380 | |
Scooby Newbie
Member#: 457514
Join Date: Nov 2016
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12-13-2018, 11:04 AM | #381 |
Scooby Newbie
Member#: 424843
Join Date: Jul 2015
Location: Portland, Or
Vehicle:2016 WRX Limited 6MT ISM |
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12-15-2018, 10:17 PM | #382 |
Scooby Newbie
Member#: 494817
Join Date: Dec 2018
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12-22-2018, 09:26 PM | #383 |
Scooby Guru
Member#: 2272
Join Date: Sep 2000
Chapter/Region:
BAIC
Location: Fire Caves
Vehicle:2019 Macan 4cyl 1993 Impreza FWD WRX swap |
My 2018 Type-RA has this noise from the front left. Its mostly over rough roads or sharp bumps. Would fix it myself, but if its the strut its like $800 for the strut... Ill be taking it into the dealer to see what happens.
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12-26-2018, 12:16 PM | #384 |
Scooby Newbie
Member#: 487919
Join Date: Jul 2018
Chapter/Region:
Tri-State
Location: Long Island
Vehicle:2019 WRX Lapis Blue Pearl |
Hey bueckerjl - any updates? I would definitely want to just replace the top hat rather than the entire strut assembly or dealing w/the dealership.
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12-26-2018, 05:45 PM | #385 | |
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Member#: 475518
Join Date: Oct 2017
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Quote:
I will say though that while the Pedders mounts have a bit of a crusty finish compared to OEM, they feel very solid and have a nice sealed bearing compared to the OEM open caged bearing. Also the elastomer fill seems a little stiffer and better molded into the carrier. Here are some pictures to compare the two. https://imgur.com/a/2dXCC1h |
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12-27-2018, 04:29 AM | #386 |
Scooby Newbie
Member#: 494590
Join Date: Nov 2018
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Quote:
My front end suspension noises have been getting worse and hoping this will take care of all the rattles and clunks once and for all. |
12-31-2018, 12:29 AM | #387 |
Scooby Newbie
Member#: 405454
Join Date: Nov 2014
Location: Canada, Toronto
Vehicle:2015 WRX |
- Model year and trim: 2015 WRX Limited
- Road conditions where clunk is most noticeable: below 40 mph, small cracks and bumps - Temperature conditions that affect the clunk: No temperature impact observed, clunking only started this winter (20F - 50F). - Any suspension mods you have: Perrin steering rack dampener lockdown. - Dealer work done to fix the issue and if it's had any affect: None, did not take to dealer. Clunking only started at around 50k miles (82,000 Canadian km). When I move the wheel while the car is stopped, I hear the steering rack clunk and a quieter sharper click inside the steering wheel - I am not bothered by the quieter click. I can replicate the clunk when pulling/pushing on the wheel outside the car at 9 and 3, on either the driver or passenger side. On the road, the clunking seems to be the same sounds as the one when turning the steering wheel when stopped. It sounds like I might suffer from the issue from post #234. When stopped, I recorded a video with 2 cameras at the same time, one outside and another one aimed at the steering column. |
01-04-2019, 11:05 PM | #388 |
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Member#: 475518
Join Date: Oct 2017
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Quote:
-Removed front inverted piston and repacked the top grease rings. The top ring had several voids that had no grease from the factory. I used Mobil 1 synthetic to repack. -Swapped stock springs to RCE "Regular Guy" springs. -Installed Pedders front strut mounts. The OEM mounts had noticeable drag in the bearing and also a fair amount of play. The Pedders still had some play when installed and torqued but the bearing was much smoother. I haven't gotten an alignment yet but the car drives great and the clunk is gone for the moment. I drove around to some of the spots where I usually really notice the low-speed-small-bump clunk and didn't hear anything other than normal suspension noise. Here's an album with a few pictures/clips. https://imgur.com/a/ftZkgzk Hopefully we're near the end of this nightmare.... |
01-05-2019, 11:10 AM | #389 | |
Scooby Newbie
Member#: 405454
Join Date: Nov 2014
Location: Canada, Toronto
Vehicle:2015 WRX |
Quote:
The reason why the clunking problem is so hard to troubleshoot might be because there's multiple causes that can lead to the clunking sound. |
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01-05-2019, 06:23 PM | #390 |
Scooby Newbie
Member#: 487919
Join Date: Jul 2018
Chapter/Region:
Tri-State
Location: Long Island
Vehicle:2019 WRX Lapis Blue Pearl |
bueckerjl, thanks for the update, that's great to hear. The amount of play in the stock mounts was surprising, to a point where I said "that has to be it". Did you hear any noise when you were checking for that play? Was the play coming from the bearing?
You say the Pedders also have play. Any noise when you were checking for this play? I think when I do mine, I won't grease the seals just to be able to pinpoint to a single component if possible. How do you like the ride of RCE blacks? Are you actually able to see a clear visual difference in the height? |
01-06-2019, 06:59 AM | #391 | |
Scooby Newbie
Member#: 475518
Join Date: Oct 2017
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Quote:
So far the RCE blacks are fantastic. They are starting to settle and you can see a slight difference from stock. I haven’t measured but they are down to about “1.5 fingers.” Ride quality is better than OEM in my opinion. It feels like a progressive spring so small bumps are more compliant and it stiffens as you hit bigger stuff. Also the car feels more direct and planted and body roll is improved. The spring is only rated at a 10mm drop so it’s perfect for me as a daily driver with a toddler and once per week commute with 3 other people in the car. |
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01-11-2019, 09:22 AM | #393 | |
Scooby Newbie
Member#: 487919
Join Date: Jul 2018
Chapter/Region:
Tri-State
Location: Long Island
Vehicle:2019 WRX Lapis Blue Pearl |
Quote:
Did you change the bump stops or had to cut them in the front struts? |
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01-11-2019, 09:27 AM | #394 | |
Scooby Newbie
Member#: 487919
Join Date: Jul 2018
Chapter/Region:
Tri-State
Location: Long Island
Vehicle:2019 WRX Lapis Blue Pearl |
Quote:
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01-12-2019, 05:28 AM | #395 | |
Scooby Newbie
Member#: 475518
Join Date: Oct 2017
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Quote:
Another thing to note. Make sure that you get the top perch aligned correctly. The photo included in the instructions makes it look like you are lining up 3 points—the alignment hole on the top perch (there only one hole on the top), the middle drain hole on the bottom perch and the center of the connection to the knuckle. You really only are lining up the top hole and the knuckle attachment. I confirmed this per the service manual. Ignore the indention in the rubber that’s from the old spring. |
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01-12-2019, 11:31 PM | #396 | |
Scooby Newbie
Member#: 487919
Join Date: Jul 2018
Chapter/Region:
Tri-State
Location: Long Island
Vehicle:2019 WRX Lapis Blue Pearl |
Quote:
Can't wait to get this done. |
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01-13-2019, 07:09 AM | #397 | |
Scooby Newbie
Member#: 475518
Join Date: Oct 2017
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Quote:
http://www.iwsti.com/forums/4172538-post12.html It’s also stated in the service manual. You’ll see when you take the old apart that there are a couple of witness stickers from the factory that are marking the alignment range. It’s pretty narrow. |
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01-13-2019, 07:39 AM | #398 | |
Scooby Newbie
Member#: 475518
Join Date: Oct 2017
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Quote:
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01-13-2019, 10:44 AM | #399 | |
Scooby Newbie
Member#: 487919
Join Date: Jul 2018
Chapter/Region:
Tri-State
Location: Long Island
Vehicle:2019 WRX Lapis Blue Pearl |
Quote:
I think some Subaru's have 1 hole, some have 2, and some may even have 3. In any case, I'm finding it's crucial the upper perch must be precisely aligned to the mounting tabs/holes that goes on the knuckle. |
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01-21-2019, 03:45 PM | #400 |
Scooby Newbie
Member#: 475518
Join Date: Oct 2017
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Has anyone else installed the pedders mounts yet? Since doing mine, it’s made another rattle more noticeable (since suspension noise is quieter). I realize now that it’s always been present I just thought it was related to the low speed clunk (which thankfully is still gone). It’s almost a plasticy rattle or like a heat shield is hitting something. It occurs over very broken pavement similar to the other clunk but I’m pretty confident it’s not suspension related. It’s been more apparent since the weather has been in the 20s.
I have an ‘18 Premium with the revised rack and have noticed some noise moving the wheel back and forth but nothing too unusual or worse than my forester. I’ve ordered the TSB spring just to make sure it’s not that. |
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