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12-26-2009, 02:45 AM | #163 |
Drives: 2007 Yaris LB Join Date: Mar 2007
Location: San Jose, CA, USA
Posts: 685
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I bought a hydraulic jack a couple of weeks back and while I was trying it out I decided to take a look at that. From what I've seen, without taking the springs off though, I believe the axle can't really hit the tank, there seems to be a well designed groove where the axle swivels and it didn't seem to me like it could hit anything under there. Also I've had 2 more adults in the car since I lowered it and I can hear the clunks, but I bet it's just the springs, nothing else...
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12-27-2009, 02:49 PM | #164 |
Slowy getting there
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I believe it is hitting on the exhaust. I will put my car up on a rack this week and see if I can tell where some rubbing has happened.
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12-27-2009, 05:59 PM | #165 |
Drives: 08 Yaris Sedan Join Date: Oct 2008
Location: California - Bay Area
Posts: 2,773
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Well i do know that my tie bar that i had bolted to the gas tank was getting hit hard by the rear beam and put a bit of scratches in it. After removing it the clunking got 95 percent better. But the fact that i heard somethign still i assumed it was something in that area that was getting hit still.
It could be possible it could be the springs fully compressing.
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12-30-2009, 10:39 PM | #166 |
Drives: 07 Mazda MX5 Copper Red Join Date: Jun 2009
Location: Melbourne, FL
Posts: 116
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I relocated the rear suspension today along with upgrading to Tokico blues.... no issues thus far and will report with rear alignment numbers next week.
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Brent Former Yaris Owner |
12-31-2009, 02:10 AM | #167 |
Banned
Drives: yw calls me douche and racist. Join Date: Aug 2007
Location: hay
Posts: 2,183
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Some one should get 200 lbs in the rear, and find alignment numbers.
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12-31-2009, 10:25 PM | #168 |
Drives: 07 Mazda MX5 Copper Red Join Date: Jun 2009
Location: Melbourne, FL
Posts: 116
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I heard some clunking today during a sharp turn at low speeds to the left. The noise seemed to come from the rear drivers side. I am going to look tomorrow to see what it could be hitting...
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Brent Former Yaris Owner |
12-31-2009, 10:47 PM | #169 |
Ecurie Snoopy Lives
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Just curious. For those of you who are experiencing clunking in the back.
What is your suspension setup? Lowering springs with stock dampeners Lowering springs with stiffer dampening Coilovers w/ two finger width gap from fender well to tire Coilovers slammed! Stock ride height....
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12-31-2009, 11:32 PM | #170 |
Drives: 08 Yaris Sedan Join Date: Oct 2008
Location: California - Bay Area
Posts: 2,773
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im running trd springs on stock struts i only get the clunking noise on hard potholes or gonig over speedbumps too fast
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01-01-2010, 10:12 AM | #171 |
Drives: Yaris Join Date: Nov 2008
Location: Perth, Australia.
Posts: 189
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i just did this adjustment too. I get clunking noises on every bump i go over with 4 people in the car. My problem is the rear sway bar holder hitting the fuel tank. I am running Whiteline sway bar setup so it is different to UR and TRD swaybars. Will check it out tomorrow to see what i can do about it. Otherwise i will put it back to where it was. But driving i do feel a difference, much smoother when driving in straights, dont hear the wheels scrubbing.
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01-01-2010, 12:40 PM | #172 |
Drives: 2008 Polar White LB Auto Join Date: Oct 2008
Location: Metro Detroit
Posts: 1,238
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I used to hear the clunking as well but lately I havn't heard it at all. I'm not really sure what happened but it's non existent now.
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01-02-2010, 03:38 AM | #173 |
Drives: Yaris Join Date: Nov 2008
Location: Perth, Australia.
Posts: 189
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Well had a look at the rear swaybar holders. They hit my fuel tank (has scratch marks), so i adjusted them to the sides equally and no more clunking sounds. I have at least 2cm clearance in between beam and fuel tank..
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01-02-2010, 03:27 PM | #174 |
Drives: 2008 Polar White LB Auto Join Date: Oct 2008
Location: Metro Detroit
Posts: 1,238
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rear sway bar holders?
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01-02-2010, 04:12 PM | #175 |
ULTIMATE
Drives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
Posts: 14,859
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there are no rear sway bar bushings on the Yaris?
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01-02-2010, 08:10 PM | #176 |
What?
Drives: 2007 Yaris LB Join Date: Nov 2008
Location: Safety Harbor, FL
Posts: 1,006
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Look a couple posts up, he has a Whiteline rear bar.
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01-04-2010, 02:37 AM | #177 |
Drives: 2007 Yaris LB Join Date: Mar 2007
Location: San Jose, CA, USA
Posts: 685
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I started hearing the clunking sounds ever since I installed the new springs (Progress, 1.4" drop) and shocks (Tokico blues). I shortened the bump stops by about half an inch in the back and about 1 inch in the front. Right after the install I took it for a ride and heard the clunks while going over the driveway curb. I thought the coils needed to set in. After that, nothing for more than a month. Then I had 2 adults in the car, one in the front, one in the back and heard the same sounds again a few times. I checked under the car and couldn't see anything bad, no rubbing, no scratching. I don't see how the sway bar could hit anything, since mine (Ultra Racing) is installed right under the axle...
I believe the clunking comes from the fact that my Progress coils are different than the stock ones, the first 3 spirals sit on top of each other so there is more contact between the coils thus, more potential for clunking noise...
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01-04-2010, 06:03 AM | #178 | |
Drives: peArL yAvItZ!! Join Date: Jul 2009
Location: *tIny dOts iN AsiA*
Posts: 156
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Quote:
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1NZ-FE Yaris with JDM RS front & rear bumper | JDM Vitz RS taillamp | JDM Vitz window visors | JDM Vitz Netz logos | JDM leather steering wheel & shift knob | 4k HID | K&N panel filter | Fujitsubo Wagolis exhaust | NST 10% crank pully | KYB Excel-G shocks | NF210 Springs | Cusco 4 points lower arm bar & Type OS top struct bar | RZCrew sub-frame collars | Ultra Racing 19mm rear sway bar & rear lower & center braces | PG Rear 13mm hub spacers | Exzess 2-pot calipers with 282mm rotors | Runstop Rear Disc | SSR Semi-Forge Type F 15" rims | Michelin Pilot Sport 3 195/55/15 tyres |
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01-04-2010, 08:18 AM | #179 |
Drives: Yaris Join Date: Nov 2008
Location: Perth, Australia.
Posts: 189
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Yep, i too did the same. Would rather not have a hole in my fuel tank =)
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01-04-2010, 03:18 PM | #180 |
Drives: 2008 Polar White LB Auto Join Date: Oct 2008
Location: Metro Detroit
Posts: 1,238
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Not sure the clunking could come from hitting the gas tank with the axle. Not sure how a metal axle beam and a plastic gas tank could equal "clunk" if they hit together. Anyone find out something definitive on what the clunk could be? Like I said, when I first did the mod I heard some clunking over big bumps and such, but even know when I run over big bumps, I don't hear it anymore. It ended up going away. Just not sure what could have happened. The car handles too good and feels great to want to put it back to the lower position
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