To replace the calipers for different models, follow these steps. For fixed calipers on 4WD and Prerunner models, start by removing about two-thirds of the brake fluid from the reservoir and loosening the wheel lug nuts. Raise the front of the vehicle and support it securely on jack stands, then remove the front wheels. Position a drain pan under the brake caliper assembly and thoroughly clean it with brake system cleaner. Inspect the brake disc and remove the small retaining clips holding the pad pins in place. Release the anti-rattle spring from the hole in each brake pad plate and withdraw the lower pad pin and anti-rattle spring, followed by the upper pad pin. Depress the pistons into their bores by squeezing the outboard brake pad against the caliper and removing the outboard brake pad. Clean the upper and lower brake pad plate contact surfaces and lubricate the back of the new brake pad with high-temperature brake grease. Install a clean anti-squeal shim and place the outboard brake pad. Repeat the process for the inboard brake pad, ensuring proper cleaning, lubrication, and installation. Inspect the pad pins, pin clips, and anti-rattle springs for wear or damage and replace them if necessary. Reinstall the pad pins, anti-rattle spring, and pin clips. Install the wheel, lower the vehicle, and tighten the lug nuts. Start the engine, apply and release the brake pedal several times to bring the pads into contact with the brake discs, and check the brake fluid level. For floating calipers on 2WD models, start by pushing the piston back into the bore to create space for the new brake pads, taking care not to overflow the brake fluid in the master cylinder. Detach the brake hose from the shock absorber bracket and remove the caliper lower mounting bolt. Pivot the caliper while holding the upper slide-pin boot, securing it with a wire to prevent damage to the flexible brake hose. Remove the outer and inner pads, along with the upper and lower pad support plates. Clean the caliper mounting bracket and inspect the lower slide pin, replacing the bushing or pin if necessary. Apply high-temperature brake grease to the pin and reinstall it. Clean and lubricate the upper sliding pin, then install clean or new pad support plates. Lubricate the back of each pad with high-temperature brake grease and install clean anti-squeal shims. Install the pad wear indicators and ensure proper seating of the pads into the support plates. Carefully pivot the caliper back into position, making sure not to damage the upper slide-pin boot. Reinstall the lower mounting bolt, wheel, and lug nuts. Lower the vehicle, tighten the lug nuts, and perform the brake pedal operation. Finally, check the brake fluid level and test the brakes in an isolated area before driving in traffic. By following these steps, you can successfully remove and replace the calipers on your vehicle, ensuring proper brake functionality.
Posted by ToyotaPartsDeal Specialist