Of all of the safety features offered throughout the lines of Isuzu cars and trucks, maybe the most important components is the anti-lock braking system. While ABS is made up of many parts, all needing to work properly, a basic necessity is the function of the brake pads. You can have a mechanic replace worn pads with new ones, or you can perform the switch yourself and save the cost of labour.
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Things you need
- Tire iron
- Tire blocks
- Lifting jack
- Vise-grip pliers
- 13-millimeter socket
- Jack stands
Park the Isuzu in an area that allows room for working on both sides of the vehicle safely. Place the transmission in "park" and apply the parking brake. Put tire blocks behind the rear tires.
Remove the lugnuts from the wheels, using the socket at the end of the tire iron.
Lift the Isuzu with the lifting jack, place the jack stands beneath the frame, and lower the vehicle onto the stands. Leave at least one inch of clearance between the tires and the road surface.
Remove the tires by pulling them from the lugnut bolts.
Remove the calipers. The calipers surround the rotors and contain the brake pads. Use a 13-millimeter socket and ratchet to remove the two caliper screws located at the inner top and bottom of the caliper (nearest the Isuzu's frame). Pull the caliper free from the rotor.
Remove the brake pads from the caliper. The brake pads are fixed to the caliper by metal clips that can be removed by hand. If the brakes are rusted, use a flat screwdriver to pry the metal clips away from the caliper before sliding.
Install the new brake pads. The brake pads attach to the caliper by way of the metal clips. Properly installed brake pads will face each other and mirror the curve of the caliper.
Place the caliper around the rotor and screw in the two caliper bolts with a 13-millimeter socket and ratchet.
Replace the wheels on the lugnut bolts and screw on the lugnuts by hand.
Raise the Isuzu with the lifting jack, remove the jack stands, and lower the vehicle to the ground. Tighten the lugnuts, using the tire iron.
Press the brake pedal repeatedly to return the caliper piston to the normal position.
Tips and warnings
- The brake pedal will offer little resistance when pressed. The brake fluid was expelled as a result of opening the caliper piston. By pressing the brake pedal, the brake fluid will be returned to the caliper, setting the piston to its normal position and normalising the brake pedal response.
- Use jack stands. The jack alone provides a dangerously unstable platform on which to work.
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