Before attemping to rise vehicle check for air bag shut off air bag.there are lift point on the pinch wells where you can rise your vehicle. no special tools needed if break pads have sensors you must reset indicator light.
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It's probably an O2 sensor. I've had the same issue with O2 sensors failing. Go to Autozone and have them read the code or buy a code reader for $40-60 and read the code yourself... it will tell you which one is bad.
Hello, to replace the rear brake pads follow the following steps:
1. Lift the Chevy Impala with the jack and place it on jack stands.
2. Remove the wheels with a lug-nut wrench and set them aside. The lug-nut wrench can be found in the trunk of your Chevy Impala.
3. Remove the caliper with a ratchet and use a bungee cord to hang the caliper. Do not let the caliper hang from the brake hose, as the hose might break and cause fluid to leak.
4. Remove the brake caliper bracket from the steering knuckle with a ratchet. Set it aside.
5. Remove the break rotor from the hub. The rotor might require force to be removed; if it does, use a hammer to hit the rotor in the center, where the lug studs are located. Take care not to hit the studs.
6. Remove the new rotor from its packaging and use brake cleaner to remove the grease from the rotor. Grease is applied on the rotor in the factory to inhibit rust during storage.
7. Install the new rotor onto the hub.
8. Install the caliper bracket with new brake pads onto the rotor and fasten it to the steering knuckle. Use a ratchet to tighten the bolts.
9. Open the master cylinder reservoir so you don't break a seal while compressing the brake caliper.
10. Compress the brake caliper with a C-clamp, so that the caliper can fit over the new brake pads. Install the caliper by securing it to the brake caliper bracket with a ratchet.
Hello, this do it yourself project is very manageable if it is brake pads that you are replacing on your car; if they are disc shoes it may be a little bit harder. In essence a brake job can be done straight out of a auto manual for your car and is not to diffucult as long as you follow good safety procedures while jacking up your vehicle and removing your wheels. First, I would park your car and setting your parking break will make your rear brakes impossible to get off so do not set it. I would however keep this in mind and be very careful working on your car then. I would chaulk your front wheel with a chaulk block or a brick. I would loosen your lug nuts just to break the intial torque I would then jack up the rear of your vehicle and set jack stands under your car in the proper locations. Then systematically, remover your wheel and then the two bolts holding your caliper to the spindle. Carefully, remove the caliper and do not let it hang becuase you will bend your brake line. Remove old shoes, then compress the caliper with a caliper compression tool from your local auto parts store or a c-clamp and a small block of wood. Inspect the rotor for deep gouges, a blue tint, or if you know you have gotten them really hot before I would replace the rotor. Next, install the new brake pads, put rotor back onto spindle and insert bolts back into caliper housing. Repeat for the next side and put the wheel back on and remember to torque your lug nuts to the proper specification. I hope this fixes your problem for you!
Make sure the rotors (the disks that the tire rim are mounted on), are smooth. If they are rough, then they are wearing your break pads down. Even if the break pads are new, bad rotors will grind them down. Change the rotors...
It sounds like you need to change and brake pads and rotors. You may have worn the pads low enough that the rivet that hold that pads are now up against the rotor. Same goes for the rear if that is where the gringin noise is coming from. Good luck a safe driving
For rear pads rear rotors changing procedure
you need lift up car,secure front wheels,
disconect rear wheels from rotors,(if you missing
the bolts try drill it whith portable electric drill at first smal drill 3 mm diameter,then 10 mm diameter.)Disconect the hydraulics breake cylinders cearefully putt it on plate not tears the house.Change beake pads.Unscrew the rotor whith hexagonal
wrench.Setup the hand bracke clearance.Putt agan the rotor on rear axis.Assembly the breake cylinders ,and wheel tighening 110 Hm.