How To Release Parking Brake On Cadillac Xt5
Changing a set of restriction pads is usually a uncomplicated and straightforward procedure. Yet changing your rear restriction pads takes an extra pace when your vehicle has an electric parking restriction.
Electrical parking brakes are no longer exclusive to luxury brands. Now many makes and models have an electric parking restriction arrangement. Electric parking brake systems are condign more and more popular. That means more auto owners are having a piffling trouble changing their rear restriction pads.
Why Some Electric Parking Brake Systems Make It Hard To Supplant The Rear Restriction Pads
There are two types of electric parking brake systems:
- Electric motor: Plant in some GM vehicles, this electrical parking restriction system uses an electric motor. Information technology works like a traditional parking brake system, except the motor pulls the parking brake cable instead of a homo hand or foot. The motor is called a parking brake control module. When activated, it pulls the parking restriction shoes via the parking brake cable.
- Parking brake actuator: You tin notice this organisation in non-GM vehicles with an electric parking brake arrangement. Mounted on both rear brake calipers are parking restriction actuators. Each parking brake actuator connects to a gear that tin can force out the caliper piston. When activated, the parking brake actuator can plough that gear. When that happens, the piston pushes the brake pads against the rotor. In other words, this organization enables the rear restriction pads to human activity as the parking brake when activated.
On many vehicles with electric parking brakes, the parking restriction is activated every time the automobile is put into park, even if the driver doesn't button the parking brake switch. To put new brake pads on the rear brakes, you need to disable the electrical parking restriction kickoff.
Why You Need To Disable The Electric Parking Brake Before Replacing The Rear Brake Pads
Earlier replacing the rear brake pads, you must disable the electric parking restriction. Why is that?
The electrical parking brake system uses the brake pads and rotors in the braking system. It has control over the caliper pistons. To remove the rear brake pads, you need to shrink the caliper piston first. You lot won't exist able to practise this if parking brake is set. You would be "fighting" with the actuators to compress the pistons.
If yous try to shrink the pistons while the actuators are pushing them out, you may crusade damage. To exist more specific, you might damage the actuators and/or the caliper piston mechanism.
Luckily, at that place'due south an easy style to foreclose this from happening. You merely demand to disable the electric parking brake earlier changing the rear brake pads. Doing so volition switch off the actuators.
To disable the electric parking brake, you demand to actuate the parking restriction service mode.
Activating The Parking Brake Service Fashion
When the electric parking brake system enters "service style", it switches off. In other words, the actuator motors stop applying pressure level to the caliper pistons.
There's no universal way to activate the parking brake service mode. Each make and model has its own process. Depending on your make and model, you may demand to either:
- Button a series of buttons
- Employ the infotainment screen
To observe out how to actuate the parking brake service mode, bank check your owners manual or service manual.
When you're washed servicing the rear brakes, don't forget to reactivate the electric parking brake system!
Source: https://www.buybrakes.com/help/change-rear-brake-pads-with-electric-parking-brake/
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