Gadgetory

all right they're replacing brake pads and rotors on a Nissan Sentra so what I've done already is while the car is still on the ground I have loosened up these lug nuts these this particular car is a 19 millimeter and you can see in here that the brake pads are already grinding down on the rotor this is way farther than you want to let it go normally for a brake pad job once it starts squealing and squeaking you can just replace the pads which are inside of there but in this case she's waited so long we have to do the whole rotor as well I will list all the parts in the video description below the brake pads and the rotors so it'll be easy for you to find I might use Amazon for most of my parts pretty cheap plus with the prime and the fast shipping it's pretty nice so now I have the car jacked up and supported by the jack stands multiple points of contact are always a good thing and now I'm going to take off these caliper bolts so this guy right here is called the caliper and this is what your brake pads are in and so there's two caliper bolts one on the top here and then one on the bottom down well at the bottom that is a 19 millimeter bolt as well on both sides so the caliper now is those two bolts are off will just pop right off of the rotor that's one of the brake pads just fell out and you can see the one brake pad right there and then the piston which is that thing in the center so this hose right here is the brake line hose and you can't let the hose hold the weight of the caliper so you have to support the caliper on the strut here we have the brake fluid reservoir so I unscrew the cap because when we compress the piston it's going to raise the fluid level up and we want to make sure that there's not air trapped inside of there so it'll let the liquid rise so what I'm doing right now is I have this big C clamp and I took the old brake pad and put it back into place and I'm pressing on the brake pad to push in that piston again because the new brake pads are a lot thicker than the old one so there has to be more space between the walls for the new pads to fit and still fit over both sides of the rotor and now that that piston is compressed I can take the new brake pad and slide it into place and put the other one on that side and there you go both brake pads are now in place when you're putting them in try not to touch the edge of them so you don't want the oil and grease from your fingers to mess up with your stopping power so the rotor is usually stuck on there pretty tight in my case I just took the hammer and nailed it twice a little rubber mallet nailed it twice and it broke it loose and then it just pulls right off see both sides the rotor there it's pretty torn up and then you just pop the new rotor on to place so as a side note if your rotor doesn't come off with a hit of a hammer there's these little holes right here four bolts and if you just screw a bolt into that it'll stick out the other side of the rotor and press it out away from the vehicle so just get a bolt that fits in that hole and press it out that's only if they're really rusted on there though anyway it was definitely time for new ones now I'm going to get the caliper set back in place over the rotor and then bolted back into place with both of those 19 millimeter bolts and then I'll get the tire back on so I put the tire arm tighten the lug nuts down then I dropped the car all the way down to finish tightening and once the tire was back on the ground again so yeah there's that and then you can see in the brake fluid reservoir over there that there's more brake fluid in there now just because we had compressed the piston so one really important thing you got to do before you start driving though is once you turn the car on pump the brakes a couple times so that the Pistons will close over the rotor and clamp on it if you just start driving the Pistons won't be close enough to the rotor and they won't stop you so be super careful about that just pump the brakes so for this car the Nissan Sentra the process is pretty much the same for all four tires you got disc brakes in the front and the rear if you have any other questions be sure to leave in the comments below I respond pretty regularly don't forget to like if this video helped you and don't forget to subscribe thanks for watching