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Tein S Tech Lowering Springs

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Old 01-01-14, 04:42 PM   #46
amoney805
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Quote:
Originally Posted by aTeAse View Post
Looks like the rear sits lower than the front with the Stechs...
Most springs do this except for eibach which tend to give a raked look.
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Old 01-02-14, 11:04 AM   #47
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S Tech's claim 1.2" drop in front and 1" rear.
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Old 01-03-14, 11:22 AM   #48
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How is the ride compared to stock? Been doing some research and found the Evo owners don't like them because it's too soft and handling suffers. My springs arrived yesterday. Will start install tonight or tomorrow morning. If these don't feel or handle as well as stock, I will go with a nice set of coilovers.
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Old 01-04-14, 12:55 AM   #49
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is the S.Tech better or the RS.R
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Old 01-04-14, 09:25 AM   #50
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Originally Posted by ISFSPRT View Post
is the S.Tech better or the RS.R
I dont think anyone has actually put both sets on their car yet to compare with them being still so new to the market. I went with TEIN, better price and just right amount of drop needed. RS.R Super Downs look pretty sick too, but $100 more and delivery time is pretty hard to guess since they are flying off dealers shelves.
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Old 01-04-14, 09:47 PM   #51
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I got the Teins because I know they have been around a long time and is a spring company. I finished the install today. Took a lot longer than I thought but after figuring out one side, it went a lot faster on the other. I am very happy with the ride quality. I would say just like stock. Felt really good in sport and sport +. The drop is perfect for what I wanted. But over speed bumps, I scrape the lower flaps. I was worried I had scraped the bumper. Write up of the install to follow. I am sore from head to toe.

Click the image to open in full size.
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Old 01-04-14, 10:32 PM   #52
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Are these the correct tein springs and will they work with the 3IS?? Gonna buy these if they are.

http://www.tunersports.com/tein-s-te...00_p17531.html
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Old 01-04-14, 11:26 PM   #53
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Thought I would write a brief writeup on how I installed these springs. I signed up (2 days) at https://techinfo.toyota.com and printed out the service manual instructions. They let you download other items in PDF but unfortunately not the service manual. I basically followed the procedures for one side which took me a longer time to do and then was much faster on the other side.

Disclaimer: I'm not a mechanic by trade but like to work on cars. With that said, I'm not responsible for any damage that may occur if you decide to follow my writeup. Also, I am not going to mention socket sizes below but you will use mainly 17mm and 19mm.

Tools used:
1. Sockets and socket wrench
2. Breaker bar
3. Spring compressor
4. Torque wrenches
5. Ball joint separator tool
Click the image to open in full size.

The TEIN springs (Part number: SKQ74-AUB00:
Click the image to open in full size.

I did the rear first but will start the writeup with the front.

Fronts (procedure same for both sides)
1. Chock rear wheels. You can choose not to and leave it up to the e-brake but I do it anyways
.
2. Loosen front lugs.

3. Jack up front of car. I used the center jack point and placed jack stands on the sides on the inside of the pinch weld location.

4. Remove front wheel.

5. Separate skid control sensor wire and remove upper swaybar link (red arrow). Pic shows bolts removed. If you want to get the wire completely out of the way, you can disconnect the end of the cable from the spindle but I couldn't figure out how to remove it. Didn't have any problems just leaving the wire connected and had plenty of room.
Click the image to open in full size.

6. Remove front upper suspension arm assembly. Remove the clip and nut.
Click the image to open in full size.

7. Attach ball joint separator tool and detach ball joint from suspension arm. I had a jack underneath the lower suspension arm and was holding onto the spindle while using the tool. It takes a few turns before you hear a loud pop.
Click the image to open in full size.

8. Support the spindle. I used twine from IKEA I had laying around. Cable ties work as well. If you don't support it, it will pull on the brake line which you don't want to do.
Click the image to open in full size.

9. Remove the upper shock absorber cap (w/ AVS). 3 bolts.
Click the image to open in full size.
Click the image to open in full size.

10. Remove the clip from the actuator. Carefully twist it counterclockwise 40 degrees and lift.
Click the image to open in full size.
Click the image to open in full size.

11. Support the lower suspension arm with a jack and remove lower shock bolt (black arrow). NOTE: Remove the bolt not the nut because the nut has ridges on the face of it. So loosen the bolt only. I used an old towel or block of wood on top of the jack to protect the finish of the arm.
Click the image to open in full size.

12. Loosen the nut on top of the shock. Don't remove it. It will help when you take off the springs.
Click the image to open in full size.

13. Remove the 3 nuts from the top of the shock.

14. Slowly lower your jack supporting the lower suspension arm and wrestle out the shock. At this point you may want to loosen your twine/cable ties from the spindle so it can drop low enough.

15. At this point I also marked the shock top and bottom orientation with a marker so when I put it back together, everything should line up perfectly.
Click the image to open in full size.

16. Use a spring compressor and remove old spring.
Click the image to open in full size.

17. Per TEIN's instructions, I also cut the bump stop.
Click the image to open in full size.

18. Use spring compressor on new spring and reassemble to shock body. Make sure everything lines up and you have the correct spring orientation. Don't fully tighten the upper shock nut. It will be tightened after the shock is re-installed.
Click the image to open in full size.

19. And then reinstall everything in reverse order. NOTE: Be careful when you reinstall the absorber actuator. It is held on by 2 clips. Make sure the clips clear the mount before you turn it clockwise 40 degrees. I just missed one side and the right clip (red arrow) popped off and ended up somewhere in the engine bay. Luckily after removing some undercarriage panels, I found it and reinstalled.
Click the image to open in full size.

20. Torque everything down to specs. Make sure you don't tighten the side with nut or bolt with the ridges.

Torque specs:
a. Upper shock mount x3 (49 ft.lb)
b. Upper shock nut (20 ft. lb)
c. Actuator cap (14 ft.lb)
d. Ball joint nut (64 ft.lb)
e. Swaybar upper endlink nut (62 ft.lb)
f. Lower shock bolt (133 ft.lb)
g. Skid control sensor wire (10 ft.lb (shock body), 53 in.lb (fender body))

Last edited by IS350S2K; 01-04-14 at 11:30 PM..
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Old 01-04-14, 11:29 PM   #54
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Rears coming later. Too tired.

Before:
Click the image to open in full size.

Will probably drop a little more after it settles.
Front before:
Click the image to open in full size.
Front after:
Click the image to open in full size.

Rear before:
Click the image to open in full size.
Rear after:
Click the image to open in full size.

Last edited by IS350S2K; 01-04-14 at 11:36 PM..
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Old 01-04-14, 11:31 PM   #55
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Quote:
Originally Posted by Randre19 View Post
Are these the correct tein springs and will they work with the 3IS?? Gonna buy these if they are.

http://www.tunersports.com/tein-s-te...00_p17531.html
Those are not the right ones. You want SKQ74-AUB00.
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Old 01-04-14, 11:55 PM   #56
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This is such a good review.. it will come in handy when i get a set this summer..

Quote:
Originally Posted by IS350S2K View Post
Thought I would write a brief writeup on how I installed these springs. I signed up (2 days) at https://techinfo.toyota.com and printed out the service manual instructions. They let you download other items in PDF but unfortunately not the service manual. I basically followed the procedures for one side which took me a longer time to do and then was much faster on the other side.
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Old 01-05-14, 06:50 AM   #57
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I had Tein S tech on my 350z and I was very pleased with the product.

I'm planning to drop my is250 with Tein S tech as well but I have some questions below.

1) what are the spring rates on f sport is250?
2) were you be able to align back into oem spec?
3) do you think replacing the springs would void warranty?

Thanks.

Last edited by 350speed; 01-05-14 at 06:58 AM..
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Old 01-05-14, 10:10 AM   #58
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Quote:
Originally Posted by 350speed View Post
I had Tein S tech on my 350z and I was very pleased with the product.

I'm planning to drop my is250 with Tein S tech as well but I have some questions below.

1) what are the spring rates on f sport is250?
2) were you be able to align back into oem spec?
3) do you think replacing the springs would void warranty?

Thanks.
+1

I'd like to know if replacing suspension with avoid warranty(as a whole).
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Old 01-05-14, 06:56 PM   #59
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Anyone have the S techs and 20" rims?? Can they fit or can only 19" fit with the tein springs?
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Old 01-05-14, 10:25 PM   #60
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this part will work for both RWD and AWD???
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Old 01-05-14, 10:25 PM
 
 
 
 
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