I have a 2002 Pontiac Grand Am, I need to remove and replace the REAR Brake Pads, I am confused as to what type and size of a socket I will need to remove the bolts that hold the caliper on, I`m told It may be a TORK or ALLEN socket and the size Is also In question, Your expert advise will be greatly appreciated. thanks.
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In this tutorial, we learn how to check the brake pads on a 2008 Dodge Caravan, check the thickness of the brake pads on the
car to see if they are thick enough. The rear pad is surrounded by a
gold piece called the "shoe" and the rotor. The front pad has to be
inspected by laying on your back and looking for the pad to see how
thick it is. If the thickness is not enough, you need to replace it as
soon as possible. Make sure the brake pads are up to t
Before servicing the vehicle, refer to the precautions in the beginning of this section.
Remove or disconnect the following:
Clip, 2 caliper pins, the anti-rattle spring then remove the 2 brake pads and the 4 anti-squeal shims
CAUTION Only replace brake pads on 1 side of the vehicle at a time. Failure to use this procedure could cause the caliper pistons on the opposite side of the vehicle to pop out requiring the reconditioning or replacement of the brake caliper.
Remove a small amount of brake fluid from the master cylinder.
Install a used brake pad into the caliper and compress the caliper pistons.
Apply disc brake grease to both sides of the inner anti-squeal shims.
Install or connect the following:
Anti-squeal shims to the new brake pads NOTE: When replacing worn pads, the anti-squeal shims must be replaced together with the pads.
2 brake pads
Anti-rattle spring and the 2 caliper pins
Depress the brake pedal several times to seat the brake pads.
Check the brake fluid level and top off as needed.
remove the caliper, by removing the two holding bolts, then use a old brake pad against the pistons and a c clamp and push piston all the way in, next is to clean and lube pad mounting surface and the caliper slide pin, then install new pads on bracket then caliper and tighten caliper bolts, heres a diagram to help you,
Rear brake shoes as fitted to drum brakes can typically last up to 60k miles with periodic adjustments, but you have rear disc brakes and the shoes will typically last half of that.
Also, modern brake pads no longer contain asbestos and are now made using harder metallic compounds; the direct result is that brake discs (US=rotors) are also considered to be consumable items as they are worn down by the harder pads. It's not unusual to have to replace front discs every other pad change and rear ones with every pad change; in both cases the mileage will typically be around 30k miles on most models.
For front brake pads replacement you need only usually wrench set, inclusive 7 mm allen key also. But for rear brake pads replacement you need obligatory a special caliper piston pressing tool, in order to press back rear caliper piston with parking brake automatic adjustment!!!
For front brake pads. First you must verify yours front brake disc diameter: 280 mm or 288 mm. (On my car y have 288 mm). After that you can buy the brake pads (with wear sensor). For change front brake pads you must raise vehicle, remove wheels, extract the retaining spring of the caliper, and remove the caliper as follow: 1. Do not disconnect the brake hose from the caliper, and do not allow the caliper to hang by the brake hose! 2. Remove top and bottom caps (on back side of the caliper) for access to guide pins, then unbolt and remove them from the brake carrier. Remove the caliper. 3. Now you must thoroughly clean the brake calipers (free of grease). 4. Remove outer brake pad from brake carrier. 5. Pull inner brake pad out of brake caliper piston. 6. Check up the brake fluid level on the reservor, and emptying if neccessary! 7. Push piston back into brake caliper housing. 8. Install inner brake pad (with expanding spring) in brake caliper piston. (Arrow marked on pad - if exist, must point in direction of brake disc rotation when vehicle is moving forward). 9. Install outer brake pad into brake carrier. 10. Bolt brake caliper housing to brake carrier using two guide pins. Tightening torque is 25 Nm. 11. Install both caps. 12. Insert retaining spring into brake caliper housing. Important: Depress the brake pedal firmly several times while the car is stationary so that the brake pads adjust to their normal operating positions!!! Check brake fluid level and top up if neccessary!!! Please Rate my Response! Thanks!
Raise the rear of the vehicle and make sure it is securely supported. Remove the rear wheelRemove the brake hose (A) from the suspension arm by removing the brake hose clip (B).Thoroughly clean the outside of the caliper to prevent dust and dirt from entering inside.Support the caliper with a piece of wire so that it does not hang from the brake se. Remove the two guide rods (C) and caliper (D) from the bracket.Remove the pad shim (A) and brake pads (B).
Remove the pad retainers. Clean the caliper thoroughly; remove any rust, and check for grooves and cracks.Check the brake disc for damage and cracks.Install the pad retainers.Check the foreign material at the pad shim (A) and the back of the pads (B).Contaminated brake discs or pads reduce stopping ability. Keep grease off the discs and pads. Install the brake pads (B) and pad shim (A) on the caliper bracket. Install the inner pad with its wear indicator (C) facing down ward.If you are reusing the pads, always reinstall the brake pads in their original positions to prevent a momentary loss of braking efficiency.Rotate the caliper piston (A) clockwise into the cylinder, the align the cutout (B) in the piston with the tab (C) on the inner pad by turning the piston back. Lubricate the boot with rubber grease to avoid twisting the piston boot. If the piston boot is twisted, back it out so it is positioned properly. Install the brake caliper (D).Install and torque the guide rods (E) to proper specification.Install the brake hose (F) onto the suspension arm with the brake hose clip (G).After installation, check for leaks at hose and line joints and connections, and retighten if necessary.Depress the brake pedal several times to make sure the brakes work, then test-drive.
Engagement of the brake may require a greater pedal stroke immediately after the brake pads have been replaced as a set. Several applications of the brake pedal will restore the normal pedal stroke.