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How to Install a Daizen Polyurethane Sway Bar Bushing Kit
1990-1994 Lexus LS400

By LexLS.com

Before doing anything read my disclaimer & safety info.



Here's a mod for those who want to improve handling. We all know that the LS has serious body roll. Well, this mod helps to reduce that. After installing this bushing kit I immediately noticed a reduction in body roll. I'm not saying the kit will eliminate it, but I think it really does help to reduce the problem. It's surprising that a $30 kit can do this much! All I can say is that this is one of those great deal type of mods, and most of you can do this with basic tools and about an hour of your time.

You can get the Daizen Sway Bar bushing kit for $30 from TM Engineering. Make sure to order the correct part number, there are three versions depending on your year and if you have air suspension or not. This tutorial is based on my '91 but will be similar for all 90-94's.

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Tools Needed:

Parts/Supplies Needed:

Here's the kit, the part number will differ depending on if you have air suspension or not.

Here's what you get; 4 bushings for the front and rear sway bars, 4 packets of grease and instructions. The bushings with the larger diameter hole are for the front sway bar.

Here are the Daizen instructions. They are pretty good...but keep reading if you want more details.


Instructions for the rear bushings....

1) Jack up the rear of the car and put it on jack stands.

2) Remove the two 12mm bolts circled in red. This should be no problem. Repeat all steps for the other side of the sway bar.

3) Now is the toughest part of the job; removing the bushing brackets. I found that the metal bracket that holds the bushing on is REALLY on there. I rotated the bush & bracket as shown then took a pry bar and hammer to separate the bracket from the bushing. A little WD-40 would probably work too.

4) With the metal bracket off it's very easy to pull the old bushing off. Now clean off the sway bar with a towel or rag so the new bushing is ready to be installed. Note: There is no need to fully remove the front or rear sway bar if you're only replacing the bushings.

Rear Daizen vs. OEM rubber bush

5) Apply a tube of grease to the inside of the bush. You want the entire inside surface area to be fully covered. I put some gloves on for this since this grease is tough to get off.

6) Install the bush on the sway bar and position it. Next, put the bracket on and hammer it into position.

A little threadlock is recommended for the bolts.

7) Torque the two bolts to 21 ft-lb (28 Nm).


Instructions for the front bushings....

8) Jack up the front of the car and put it on jack stands.

9) Remove the engine under cover.

10) Remove the two 12mm bolts. Again, repeat all steps for the other side of the sway bar.

11) Remove the bracket and bush. These were no problem.

Front Daizen vs. OEM rubber bush

12) Follow steps 5-7. Torque on the front bolts is also 21 ft-lb (28 Nm). As you can see, the basic procedure is the same for the front and rear.

13) Put the engine under cover back on and go out for a test drive.



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Last revised: Sunday, 29-Oct-2023 15:46:31 EDT