Rear suspension - Page 10 - Toyota Yaris Forums

fmicle · 12-26-2009, 02:45 AM

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...

lilredrocket · 12-27-2009, 02:49 PM

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.

YarisSedan · 12-27-2009, 05:59 PM

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.

Brentorius · 12-30-2009, 10:39 PM

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.

ddongbap · 12-31-2009, 02:10 AM

Some one should get 200 lbs in the rear, and find alignment numbers.

Brentorius · 12-31-2009, 10:25 PM

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...

mojoyaris · 12-31-2009, 10:47 PM

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....

YarisSedan · 12-31-2009, 11:32 PM

im running trd springs on stock struts i only get the clunking noise on hard potholes or gonig over speedbumps too fast

lunjiaow · 01-01-2010, 10:12 AM

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.

detroiter · 01-01-2010, 12:40 PM

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.

lunjiaow · 01-02-2010, 03:38 AM

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..

detroiter · 01-02-2010, 03:27 PM

rear sway bar holders?

cali yaris · 01-02-2010, 04:12 PM

there are no rear sway bar bushings on the Yaris?

Loren · 01-02-2010, 08:10 PM

Look a couple posts up, he has a Whiteline rear bar.

fmicle · 01-04-2010, 02:37 AM

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...

evo165 · 01-04-2010, 06:03 AM

Quote:

Originally Posted by fmicle

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...

I'll say put it back to the original position (lower pivot point and then problem solved) I put it back on mine and it "comfort' level is back & there is no longer any strange sound fro the rear.

lunjiaow · 01-04-2010, 08:18 AM

Quote:

Originally Posted by evo165

I'll say put it back to the original position (lower pivot point and then problem solved) I put it back on mine and it "comfort' level is back & there is no longer any strange sound fro the rear.

Yep, i too did the same. Would rather not have a hole in my fuel tank =)

detroiter · 01-04-2010, 03:18 PM

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

12-26-2009, 02:45 AM	#163
fmicle Drives: 2007 Yaris LB Join Date: Mar 2007 Location: San Jose, CA, USA Posts: 685	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... __________________ 5% Tint Rear \| Micro Image LED Ignition Light Kit

12-27-2009, 02:49 PM	#164
lilredrocket Slowy getting there View User's Garage Drives: 08 Liftback Join Date: Nov 2008 Location: DFW, Texas Posts: 1,464	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. __________________

12-27-2009, 05:59 PM	#165
YarisSedan Drives: 08 Yaris Sedan Join Date: Oct 2008 Location: California - Bay Area Posts: 2,773	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. __________________ http://www.cardomain.com/ride/3210549

12-30-2009, 10:39 PM	#166
Brentorius Drives: 07 Mazda MX5 Copper Red Join Date: Jun 2009 Location: Melbourne, FL Posts: 116	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. __________________ Brent Former Yaris Owner

12-31-2009, 10:25 PM	#168
Brentorius Drives: 07 Mazda MX5 Copper Red Join Date: Jun 2009 Location: Melbourne, FL Posts: 116	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... __________________ Brent Former Yaris Owner

12-31-2009, 02:10 AM	#167
ddongbap Banned Drives: yw calls me douche and racist. Join Date: Aug 2007 Location: hay Posts: 2,183	Some one should get 200 lbs in the rear, and find alignment numbers.

12-31-2009, 10:47 PM	#169
mojoyaris Ecurie Snoopy Lives View User's Garage Drives: Jojo Join Date: Mar 2007 Location: Vancouver Posts: 447	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.... __________________ Sponsors and Organizations: Toyota Rally Canada Yokohama Tire Canada Western Canada Rally Association Ecurie (Team) Snoopy Canada, racing since 1966

12-31-2009, 11:32 PM	#170
YarisSedan Drives: 08 Yaris Sedan Join Date: Oct 2008 Location: California - Bay Area Posts: 2,773	im running trd springs on stock struts i only get the clunking noise on hard potholes or gonig over speedbumps too fast __________________ http://www.cardomain.com/ride/3210549

01-01-2010, 10:12 AM	#171
lunjiaow Drives: Yaris Join Date: Nov 2008 Location: Perth, Australia. Posts: 189	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.

01-01-2010, 12:40 PM	#172
detroiter Drives: 2008 Polar White LB Auto Join Date: Oct 2008 Location: Metro Detroit Posts: 1,238	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.

01-02-2010, 03:38 AM	#173
lunjiaow Drives: Yaris Join Date: Nov 2008 Location: Perth, Australia. Posts: 189	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..

01-02-2010, 03:27 PM	#174
detroiter Drives: 2008 Polar White LB Auto Join Date: Oct 2008 Location: Metro Detroit Posts: 1,238	rear sway bar holders?

01-02-2010, 04:12 PM	#175
cali yaris ULTIMATE View User's Garage Drives: 07 Yaris Turbo Join Date: May 2007 Location: Canoga Park, CA Posts: 14,859	there are no rear sway bar bushings on the Yaris? __________________ Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific.

01-02-2010, 08:10 PM	#176
Loren What? Drives: 2007 Yaris LB Join Date: Nov 2008 Location: Safety Harbor, FL Posts: 1,006	Look a couple posts up, he has a Whiteline rear bar. __________________ ----------------------- Loren@InvisibleSun.org -----------------------

01-04-2010, 02:37 AM	#177
fmicle Drives: 2007 Yaris LB Join Date: Mar 2007 Location: San Jose, CA, USA Posts: 685	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... __________________ 5% Tint Rear \| Micro Image LED Ignition Light Kit

01-04-2010, 03:18 PM	#180
detroiter Drives: 2008 Polar White LB Auto Join Date: Oct 2008 Location: Metro Detroit Posts: 1,238	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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