When it comes to choosing the right size C clamp for brake pads, there are a few things to consider. The first is the thickness of the brake pad. The thicker the pad, the larger the C clamp you’ll need.
The second is the type of metal used in the brake pad backing plate. Some materials are harder than others and require a stronger clamping force. The last thing to consider is your own strength and ability to apply pressure evenly across the face of the brake pad.
If you’re not confident in your ability to do this, it’s best to err on the side of a larger C clamp.
There are many different types and sizes of C clamps, so it can be tricky to know which size to use for brake pads. However, there are a few things you can keep in mind that will help you choose the right size.
First, consider the thickness of your brake pads.
The thicker the brake pad, the larger the C clamp you’ll need. Second, think about how much pressure you need to apply to the brake pad. If you’re just doing light maintenance, a smaller C clamp will suffice.
But if you’re doing heavier work, such as replacing worn-out pads, then you’ll need a larger C clamp that can generate more pressure.
Finally, take into account the materials of both your brake pads and your C clamp. Some metals are harder than others and may require a different sized or shaped C clamp in order to grip properly.
With all these factors in mind, you should be able to select the perfect size C clamp for your needs!

Credit: trail4runner.com
Do You Need Ac Clamp to Change Brakes?
If you’re planning on changing your own brakes, you might be wondering if you need an AC clamp. The answer is yes, you will need an AC clamp to change your brakes. Here’s a quick guide on why you need one and how to use it.
An AC clamp is used to hold the brake caliper in place while you remove the old brake pads and install new ones. This is important because the caliper can move when you’re taking it off, which can make it difficult to get the new pads in properly. The clamp ensures that the caliper stays still so that you can work easily and safely.
To use an AC clamp, first loosen the bolts that hold the caliper in place. Then, position the clamp around the outside of the caliper and tighten it down. Once it’s secure, you can remove the old brake pads and install the new ones.
When you’re finished, simply loosen the clamp and remove it before bolting everything back into place.
As you can see, an AC clamp is a simple but essential tool for changing your own brakes. Be sure to pick one up before starting your project so that everything goes smoothly!
What Do You Use a C Clamp for When Working on Brakes?
When working on brakes, a C clamp is used to press the brake pads against the rotor. This helps to ensure that the brakes are properly seated and that there is no air in the system.
How are C Clamps Sized?
C-clamps are sized according to the range of their opening. The size is typically given as the diameter of the clamp’s screw. A small C-clamp might have a screw that is only 1/4 inch in diameter, while a large C-clamp might have a screw that is 3/4 inch in diameter or even larger.
How Do You Close a Brake Caliper Without a C Clamp?
Assuming you don’t have the special tool called a C-clamp:
First, make sure that the pistons in the caliper are fully retracted. If they’re not, use a flathead screwdriver to carefully push them back in.
Next, locate the bleed valve on the caliper and open it up. Place a rag over the valve so brake fluid doesn’t get everywhere. Slowly pump the brake lever until you see clean brake fluid coming out of the valve.
Close the valve when finished and remove the rag. You should now be able to remove the old pads from the caliper easily. To install new pads, simply reverse these steps!
Cheapest & Easiest Brake Piston Compressor (C/G CLAMP) Front Brake Pad Change
C-Clamp for Brakes Autozone
If your car has disc brakes, you may need a C-clamp to change the pads. Here’s how it works: The C-clamp is placed over the caliper piston to compress it. This allows the old brake pads to be removed and new ones installed.
You can find a C-clamp at most auto parts stores, such as AutoZone. Be sure to get the right size for your vehicle – they come in different sizes for different vehicles.
Once you have the C-clamp in place, use a socket wrench to turn it clockwise until the piston is compressed enough to allow the old brake pads to be removed.
Then, remove the C-clamp and install the new pads according to your vehicle’s instructions.
Conclusion
If you’re wondering what size C clamp is needed for brake pads, the answer may surprise you. While there are a variety of sizes available, the most common size is actually quite small. The average C clamp used for brake pads is only about 1/2 inch in diameter.