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Locating the VIN number for Changing Brake Pads
Draining Brake Fluid for Changing Brake Pads
Tips on Jacking a Car for Changing Brake Pads
Removing the Tire to Change the Brake Pads
Checking the Rotor, Caliper & Wear Indicator for Brake Pads
How To Locate Caliper Bolts for Changing Brake Pads
Removing the Caliper for Changing Brake Pads
Inspecting the Rotor & Brake Pads for Changing Disc Brakes
Tips on Removing Brake Pads
Adjusting the Caliper Piston for Changing Brake Pads
How to Install New Brake Pads
Putting the Caliper Back on After Changing Brake Pads
Cleaning the Rotor, Caliper & Brake Pads
Filling the Master Cylinder with Brake Pad Fluid
Resetting the Caliper Piston by Pumping for Changing Brake Pads
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Summary: Watch and learn from an expert how to adjust the caliper in this free instructional video on how to change brake pads for disc brakes.
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"Hi! This is Jon from Expertvillage.com and in this clip, we will continue with step 10 on our procedure for replacing disc brake pads. Once you remove the brake pads, you’ll notice that there is a round, cylinder type object. This is the caliper piston. As your brake pads wear, the piston starts to move out, compensating for the brake pads getting smaller. What we need to do is, we need to take a C-clamp and push that piston back in since our new brake pads are going to be quite a bit thicker than the old ones. What you will want to do is, take your C-clamp, adjust it so it fits around your caliper, and touches the piston. You are going to slowly tighten your C-clamp, which will push that piston in since our new brake pads are thicker; we need to compensate for that. This is also pushing all that brake fluid through the brake lines up back into the master cylinder. You just want to tighten it until it doesn’t go anymore and then you can remove your C-clamp. "
eHow Article: Adjusting the Caliper Piston for Changing Brake Pads
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Comments
dh-pgh said
on 10/29/2009 I don't open the brake line system, requiring ultimately in bleeding the system, just for a simple pad/rotor replacement. I do, however, leave the OLD pad in place on the caliper and put the c-clamp in the middle of the brake pad and SLOWLY tighten until the piston is recessed. this prevents the clamp from chipping the edge of the piston or damaging the piston at all.
dh-pgh said
on 10/29/2009 I don't use a c-clamp directly against the piston because it can chip or break the piston. i usually leave the old brake pad on place on the caliper and put the c-clamp in the middle of the pad and the tighten it SLOWLY until the piston is fully recessed into the caliper.
jonnytaz said
on 10/14/2009 The procedure in this video is incorrect and possible dangerous. The bleed nipple should always be open when depressing callipers to expel fluid for 2 reasons:
1. excessive back pressure can damage master cylinder seals. expensive
2. fluid in callipers is usually contaminated and can cause problems especially if backflushed through ABS units. very expensive
AMATURE
jay173 said
on 9/10/2008 You can losen the bleeding nutand push it back in thats how most people do it unless you dont have one.
dario1 said
on 8/2/2008 Sir John, is it ok to adjust caliper piston w/out using c-clamp? Or should I open lightly the bleeding nut and push in the caliper piston?