worn thin
A disc brake rotor with excessive run out is a warped rotor which causes a pulsation in the brake pedal when the brakes are applied. A certain amount of run out is acceptable.
Depending on the manufacturer, anywhere from .001" to .006".
Disc brake rotor? A pulsation in the brake pedal when applied. Distributor ignition rotor? The engine may not run or run poorly with misfires.
This is usually a symptom of excessive run-out (warped) on front brake rotor or rotors.
There are many brake lines especially if the vehicle has ABS brakes. The brake lines would run from the master cylinder to the ABS module, from there one to each wheel for 4 wheel disc brakes or for rear drum brakes, one to each front wheel and one to both rear wheels.
The disc brake pads usually last 40,000 to 50,000 miles under normal conditions. The rotors should last for 2 brake jobs unless they have been run metal to metal.
try it
It USUALLY means you need new front disc brake pads; there is a "squeaker" on the brake pad backing that contacts the disc intermittently. When you apply the brakes, if the squeaking goes away, or becomes quieter, that is what you need to replace. Most disc brake pad sets run $13 - $40 per set (right and left). If the squeak is always on, you need to see the mechanic. If you just need pads, any auto mechanic student you may know can do a fine job for you real cheap!
No you need the disc to play it.
you cant.unless you broke the disc
Hello, You can find following the procedure for replacing of the pads... FRONT BRAKE PADS... Remove the securing spring and locating pins Remove: -the securing spring carefully so that it does not deform -the protective caps from the two locating pins -the locating pins, use hex socket 7 mm. Remove the brake calliper and brake pads Remove: -the brake calliper from the holder -the brake pads. Hang brake calliper from a steel wire from the front spring so as not to damage brake hose. Note! Do not depress the brake pedal while the brake pads are removed. Clean and check brake calliper and dust cover Clean and check brake pad mating surfaces in the brake calliper and calliper holder. Check piston dust boot. Replace dust boot if it is damaged. Note! If the dust boot is damaged dirt may have penetrated the cylinder. The brake calliper must be reconditioned. Check the brake disc Check brake disc friction surfaces. If the brake disc displays signs of out-of-true, check its lateral run out. Replace the brake disc if it displays signs of heavy wear, variable thickness or similar. Note! Minimum recommended disc thickness / replacement limit = 23.0 mm. Minimum recommended disc thickness when installing new brake pads = 23.8 mm. For 16" brake discs the minimum thickness / replacement limit = 25 mm. Minimum recommended disc thickness when installing new brake pads = 25.8 mm. Installation Install the brake pads and brake calliper Press piston back into cylinder on brake calliper. Check that the dust cover is correctly positioned. Install: -new brake pads -the brake calliper. Install the locating pins in the brake calliper Check the rubber sleeves of the locating pins. Replace if necessary. Lubricate the locating pins with grease, P/N 1161325-4 (or similar). Insert the locating pins into the rubber sleeves. The pins should slide into the sleeves easily. Tighten locating pins. Tighten to 30 Nm. Install protective caps Install the retaining spring Check brake fluid level in reservoir Depress the brake pedal a few times. Check the level of the brake fluid reservoir. Top up if necessary. Install the wheels... REAR BRAKE PADS... Note! Minimum thickness for replacing the brake pads = 3.0 mm. Remove retaining springs and locating pins for brake pads Remove: -the securing spring carefully so that it does not deform -the protective caps from the two locating pins -the locating pins, use hex socket 7 mm. Remove the brake calliper and brake pads Remove: -the brake calliper from the holder -the brake pads. Hang brake calliper from a steel wire from the spring so as not to damage brake hose. Note! Do not depress brake pedal while brake pad is removed. Clean and check brake calliper and dust cover Clean and check brake pad mating surfaces on the brake calliper. Check piston dust boot. Replace it if it is damaged. Note! If the dust boot is damaged dirt may have penetrated the cylinder. The brake calliper must be reconditioned. Check the brake disc Check brake disc friction surfaces. If the brake disc displays signs of out-of-true, check its lateral run out. Replace the brake disc if it displays signs of heavy wear, variable thickness or similar. Note! Minimum recommended disc thickness / replacement limit = 10.0 mm. Minimum recommended disc thickness when installing new brake pads = 10.7 mm. Installation Install the brake pads and brake calliper Press piston back into cylinder on brake calliper. Check that the dust cover is correctly positioned. Install: -new brake pads -the brake calliper. Install the locating pins in the brake calliper Check the rubber sleeves of the locating pins. Replace if necessary. Lubricate the locating pins with grease, P/N 1161325-4 (or similar). Insert the locating pins into the rubber sleeves. The pins should slide into the sleeves easily. Tighten locating pins. Tighten to 30 Nm. Install protective caps Install the retaining spring Check brake fluid level in reservoir Depress the brake pedal a few times. Top up brake fluid if necessary. Adjust handbrake as required Install the wheel REGARDS... Arthur
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