Question about 1998 Lexus LS 400

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How do you replace Disc Brake Pads in a Lexus LS 400? I've done many front Break jobs, but not sure exactly how to replace pads in this car. It seems that there is a way to just slide them in without removing the whole Caliper Assy. It seems like there is a way to slide them in just like bread into a toaster. Of course I 1st need to remove the warn pads somehow. Please clarify how to do this, and if I need to remove the caliper Assy and if so, How exactly? Thank you! Much Appreciated. J

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Hi, jack up the car, remove the wheels.

If you are using a hydraulic jack, this is the jack point I used.

(Unlike many other models, the caliper does not have to be removed to change the brake pads on the Lexus LS430) Push the pin out with a screwdriver as you press on the middle of the metal plate as I am doing with my thumb. How do you replace Disc - tunde007_3.jpg

Open the hood and locate and open brake fluid reservoir cap to allow pressure to be released later when compressing the brake piston

Remove the old brake pads, they should slide out. If not, you may need to push the piston back by sliding a flathead screwdriver in there. Comparing the old brake pads with the new.

The old pads will have metal plates which you can reuse. I applied anti-squeal paste on the outter contact surfaces.

Brake pad sensor On the passenger side brake pads, there is a brake sensor which slides out and should be installed back in the new brake pads.

You can either use a C-clamp to push the pistons back in as the new pads will be larger than the old brake pads. Instead of a C-clamp, I stuck the old pads in between the rotor and pistons and pushed the pistons back. It would be wise to put some cardboard paper to protect the surface of the rotor. Also avoid pushing against the piston rubber surface.

Install the new pads and everything else in reverse, and you are done! Don't forget to close the brake fluid reservoir cap, and pump the brakes before driving off so that pistons meet the new brake pads snugly.

Posted on Apr 01, 2011


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