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Re: Brake wear warning light on
Hi I am vortash .. check that the sensor lead is not damaged at the brake calliper and check that the brake pads havent worn down again ?,, If they have I would suspect that you have a stiff calipper cylinder that keeps pressure on the pads against the Disc or drum and it needs freeing off and smearing of copperite grease you may check this by driving a few miles then feel the back wheels if they are warm then the pads are rubbing ..( be careful that can get hot enough to take your skin off if you touch them , you should be able to smell the linings also if it is this problem .. hope this helps regards Vortash
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The brake light will come on when the brake fluid is low or the parking brake is on. New brakes can make noise at first but not after 3 months. Screeching is caused by low quality pads/rotors or a lack of lubricant on brake parts and behind the pads.
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.
of the brake fluid out of the master cylinder.
Mark the relationship of the wheel to the wheel stud for re-installation purposes. Remove the tire and wheel assembly.
Install 2 lug nuts to secure the rotor in place when the caliper is removed.
Install a large C-clamp over the top of the caliper housing and
against the back of the outboard shoe. Slowly tighten the C-clamp until
the caliper pistons are pushed into the caliper bore enough to slide the
caliper assembly off the rotor. Use care not to tighten the C-clamp too
far or the outboard shoe retaining spring will be deformed and require
Remove the caliper mounting bolts and remove the brake caliper from the mounting bracket.
DO NOT disconnect the brake hose from the caliper or allow the
brake hose to support the weight of the caliper. Support the caliper on a
piece of wire out of the way.
Remove the outer brake pad from the caliper using a suitable
prying tool to lift the outboard shoe retaining spring so that it will
clear the caliper center lug and pull the brake pad out of the caliper.
Remove the inner brake pad by unsnapping the shoe springs from the piston.
Clean all parts well. If the brake pads were worn so badly that
the brake rotor is damaged, it must be replaced. Light scoring of the
rotor surfaces not exceeding 0.060 inch (1.5mm) in depth is not harmful
to brake operation and may result from normal use. Brake rotors may be
refinished. Do not use a rotor that, after refinishing, will not meet
the thickness specification cast in the rotor. Always replace with a new
If not done at removal, now use a C-clamp and clamp both pistons
at the same time with a metal plate or wooden block across the face of
both pistons. Take care not to damage the pistons or caliper boots.
After bottoming the pistons into the caliper bore, lift the inner
edge of each caliper boot next to the piston and press out any trapped
air. Make sure each boot convolution is tucked back into place. Boots
must lay flat.
Inspect the caliper bushings for wear. Replace as necessary.
Carefully inspect the slide bolts for corrosion. If corrosion if found,
use new parts including the bushing assemblies when installing the
caliper. Do not attempt to polish away corrosion. Lubricate caliper
slide bolts with silicone grease.
Install the new inner disc brake pad in the caliper by snapping
the shoe retainer springs into the piston making sure both sets of
locking tabs are seated in the caliper pistons. The pad must seat flat
against the pistons.
Install the outer pad into the caliper by snapping the outboard
shoe retaining spring over the caliper center lug and into the housing
slot. The pad will slide up onto the caliper and the retaining ring will
lock into place on the groove in the caliper.
The outer pad wear sensor should be at the trailing edge of the shoe during forward wheel rotation.
Install the caliper mounting bolts and torque to 80 ft. lbs. (108 Nm).
Remove the 2 nuts temporarily securing the rotor.
Install the tire and wheel assembly and tighten to specification.
Pump the brake pedal several times to seat the pads against the rotor.
Check the brake fluid level and top off as necessary.
Road test the vehicle to ensure the proper brake performance.
If you have done about 30+k Miles , you may need brake pads.Examine for leaks, Check brake fluid resevoir (yellow cap usually) for fluid level. Do not top up if no leaks are present. It may just be the early brake pad wear indicator telling you it's time to replace the pads. Removal of the front wheels and inspect the brake pad condition for wear. Good luck If pads are worn, topping up fluid will put out the light BUT not solve the wear problem so inspect first.
hi from uk the stop/handbrake light has two warning functions it will illuminate when hand brake is applied or is left on whilst driving or not fully off position ?? the other function is it is warning you that your brake fluid in the reservoir is low/requires topping up ? if it is low ? this could be due to a fluid leak ?either from pipes or wheel cyl's/calipers ? OR ? just that as your b/pads and shoes wear lower then fluid from reservoir displaces from res to cyl's to compensate for wear so may i suggest you 1st check fluid level+top up if low? then check for leaks as above more important have your brake pads and rear shoes or pads if fitted checked for wear/safety i advise this considering age/milage? of car and if you have no record of being checked/replaced recently? if your brake pads are fitted with low pads wear indicators this will also give warning hope this helps? good luck !
The front pads are worn down which makes the brake fluid fill up the void the brake pads are missing now due to wear. Replace the brake pads and brake rotors if the rotors are worn too, then top off the brake fluid if needed. You can top of the break fluid for now, but that's just going to turn off your break light warning till you breaks wear it self down to the point you damage the brake rotors.
Have the brake pads replaced and inspect the brake rotors, if your good with common tools you can do this job your self in under 1 hour. Tools you need is a jack, 15mm socket, ratchet, screw driver and a clamp. The Clamp is optional, you can get the brake pads at Auto Zone and they can give you the step by step instructions to getting the job done. Keep me posted, be glad to answer any questions you may have and good luck.
In the past I had the same problem with new pads!
You must check up if new brake pads electrical wires are OK. Try as follows:
1. Disconnect only new brake pads wires from the vehicle electrical circuit.
2. Extract old brake pads wires from old brake pads.
3. Insulation wear cap from old brake pads wires.
4. Connect old brake pads wires on the vehicle electrical circuit.
5. Switch ignition ON and start engine.
Now the wear light must go off !
Please Rate my Response! Thanks!
As the brake pads wear, the brake pad wear sensor contained in the brake pad contacts the brake rotor. This causes the sensor to fail. When a pad wear sensor fails it opens the ground circuit of the pad wear warning light system causing the pad wear warning light to illuminate. Perform normal brake service to correct this condition and be sure to replace the brake pads with pads containing wear sensors. Once the brake pads and wear sensors are replaced, reset the brake pad warning system by turning the ignition switch to the "on" position. As long as continuity to ground exists through all the brake pad wear sensors the system should reset and the pad warning light in the dash will go out. If the pad warning light does not go out, a check of the pad warning circuit for an open circuit condition or poor ground must be performed.
hi for info the brakes warning light on dash is also an indication that brake fluid level is low? or there may be a leak resulting in fluid level drop ? also considering age of car you may need to inspect brake pads wear ? if your car has low brake pads wear indicators attached to pads ? or the hand brake switch req's checking to ensure it is being pushed to off position when h/brak is down ? so fluid level low is the obviouse 1st check as fluid will displace from reservoir as pads wear low hence the level indicator on fill cap trips on may i suggest if it is low level b4 you top up? check your b/pads if you have not done so recently? or replaced since new ? hope this helps you locate problem best wishes from the uk