Question about 2003 Toyota 4Runner

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Replaced rear brakes, Alarms still active

03 4-Runner w/98,000 miles, replaced rear Brakes including rotors, pads, shims, spring-clips and rear-passenger-side caliper, all dealer (OEM) parts.

Have owned/driven/repaired Toyota's for 20 years including:
88 Tercel (10yrs 120K mi.), 90 Camry (13yrs 240K mi),
98 Camry V6 LE (10yrs 163K mi) and 03 4-Runner (5yrs 98K mi)

Problem: Brake, ABS, VSC warning lights & audible alarm are active !!!
Your advice would be greatly appreciated

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  • Ol Brick Oct 15, 2008

    Thanks - I fixed it myself, please remove my problem. Ol Brick.

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I have a 2003 toyota 4-runner my brake and abs vsc are on and it has a beeping loud noise.....what do u think is the problem?

Posted on Jan 04, 2010

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Posted on Jan 02, 2017

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1 Answer

My mechanic tells me I need rear brake pads and rotors as a cost of $ 320.00. I have 60000 miles on the car. I can't believe I need brakes so soon with low mileage.


The way in which a car has driven has a very direct impact on how long brake pads will last before they have to be replaced. For example, if you spend most of your time driving long distances on the highway, you're using your brakes much less often than in stop and go urban driving. I have seen cars that need brake jobs every 75,000 miles; I've seen similar cars, with different drivers and different driving routines, go 25,000 miles between brake jobs.

I would not be surprised at all if the front brake pads (and possibly rotors) of your Accord needed to be replaced at 60k miles of typical mixed driving. I am, however, somewhat surprised that your rear brakes need service at this point. The front brakes of a car typically provide much more of a car's stopping power than the rear brakes (it's a physics thing), and so they generally wear much more quickly than the rear brakes. All that said, I recently had to replace the rear brake pads and rotors of a 2002 Passat that had only 51,000 miles on the odometer. This car's pads were worn down to the metal, and one of the rotors was badly scored. Upon speaking with the owner of the car, though, things made slightly more sense. First, the car was equipped with a very active ABS braking system, which decreases front wheel braking and increases rear wheel braking depending on road conditions. As a result, the rear brakes of that car were used much more heavily than in the "average" car. Second, and more obviously, the owner admitted to forgetting to release her parking brake several times before driving off, sometimes going several miles before realizing her mistake. The emergency brake system on most cars engages the rear brakes, and driving off with those brakes still on will put a huge amount of wear on those pads in a very short distance.

One final, distant, thought is that it's possible that your rear calipers have gotten "sticky" and are not fully releasing after they have been engaged. Accumulated moisture on the brake pistons and piston channel walls can leave rust spots that hang up piston travel, leading to this condition. At the same time, it would be unusual for both brakes on the same axle to develop this problem at the same time--this typically happens one brake caliper at a time, and you notice the condition when you car begins pulling to one side when you brake or even after you release your brakes.

May 19, 2011 | 2003 Honda Accord

2 Answers

It only has 30,000 miles on it and the rear brakes squeal when applied when first driven cold. Does not do it after it has been driven and warmed up.


brakes typically only last about mas 30k miles. might be the brake lining warning shims letting you know its low or that plus glazed rotors/ drums needing to be replaced and or cut.

Mar 16, 2011 | 2006 GMC Canyon

1 Answer

My 2007 Kia Optima has 63,000 miles on it. I have had to replace the rear brakes at approx. 25,000 miles. I now have to replace them again at 63,000 miles. The back rotors are warped and need to be...


I had the same problem with my 2007 kia optima. Replaced the pads at about 30k, The pads tend to get stuck and not fully release from the rotor. I took mine to the dealership at around 45k and they replaced the calipers and pads under warranty. According to the dealership the rear brakes are suppose to be serviced every 15k to prevent this from happening

Nov 09, 2010 | Kia Optima Cars & Trucks

1 Answer

What tools needed to replace front brake pads & rotors


Brake Pads
Removal & Installation
Front





3.4L front disc brake assembly
toy_4run_34_frontbrakeassembly.gif








4.0L and 4.7L front disc brake assembly
toy_4run_frontbrakeassembly.gif



To Remove:


  1. Before servicing the vehicle, refer to the precautions in the beginning of
    this section.
  2. Remove or disconnect the following:

    • Front wheel
    • Clip, 2 caliper pins, the anti-rattle spring then remove the 2 brake pads
      and the 4 anti-squeal shims

To Install:

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.


  1. Remove a small amount of brake fluid from the master cylinder.
  2. Install a used brake pad into the caliper and compress the caliper pistons.
  3. Apply disc brake grease to both sides of the inner anti-squeal shims.
  4. 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
    • Clip
    • Front wheel

  5. Depress the brake pedal several times to seat the brake pads.
  6. Check the brake fluid level and top off as needed.

Rear
To Remove:


  1. Before servicing the vehicle, refer to the precautions in the beginning of
    this section.
  2. Remove or disconnect the following:

    • Rear wheel






      toy_4run_rearcalbolts.gif



    • 2 cylinder slide pins from rear caliper assembly
    • Caliper assembly from rear caliper mounting
    • 2 brake pads with anti-squeal shims from rear caliper mounting
    • 2 anti-squeal shims from each disc brake pads
    • Pad wear indicator plate from the inner side disc brake pad
    • 4 pad support plates from the rear caliper mounting

To Install:


  1. Install or connect the following:

    • 4 pad support plates on the rear caliper mounting
    • Pad wear indicator plate on the inside brake pad
      Note: Install the pad wear indicator facing downward.

    • Anti-squeal shims on each brake pad
    • 2 disc brake pads with anti-squeal shims to the caliper assembly

  2. Apply lithium soap base glycol grease to the sliding part of 2 caliper slide
    pins.
  3. Install or connect the following:

    • Disc brake caliper assembly with 2 caliper slide pins
    • Torque to 65 ft-lbs (88 Nm)
    • Rear wheel

  4. Depress the brake pedal several times to seat the brake pads.
  5. Check the brake fluid level and top off as needed.
--- Removal & Installation
Front
To Remove:


  1. Before servicing the vehicle, refer to the precautions in the beginning of
    this section.
  2. Remove or disconnect the following:

    • Front wheel
    • Front brake caliper assembly

  3. Make matchmarks on the disc and the axle hub.
  4. Remove the front disc.

To Install:


  1. Align matchmarks and disc onto axle hub.
  2. Install or connect the following:

    • Front brake caliper assembly with the 2 bolts

      1. Torque to 90 ft-lbs (123 Nm)

    • Front wheel

Sep 23, 2010 | 2003 Toyota 4Runner

1 Answer

Recently had front & rear brakes replaced along with a new rear axle. Vehicle has 114,000 miles. The brakes shudder slightly with normal braking + some quivering of the steering wheel. With hard...


Its a good idea to turn your rotors if your putting on new pads so that you get a good seat.  The steering wheel vibration may be your new pads wearing in and trying to find a good seat.  Give it another 500 miles for break in period and if you still get the problem, then replace the pads with better ones and check to see if your rotors are not warped.  Your pads will never seat correctly if your rotors are warped and make sure you use plenty of that shim goop they give you in the package before putting on the pads.

Nov 19, 2009 | 1999 Ford Econoline

2 Answers

ABS alarming after I replaced rear brakes shims, bled brakes etc.


make sure that the abs connect for that side is connect properly and the right amount of brake fluid is there

Jul 01, 2009 | 2003 Toyota 4Runner

1 Answer

Brakes to the floor(almost) 99 blazer


bleed the brake again. if the pedal goes to the floor with little resistance, then the master cylinder is your problem.
the shim is to depress the noise when you applied the brake. you can skip that, if the brake works without it.

Apr 29, 2009 | 1999 Chevrolet Blazer

1 Answer

Brakes to the floor 99 blazer


probably need to be bled again on that side

Apr 23, 2009 | 1997 Chevrolet S-10 Pickup

1 Answer

Ford Expedition rear brake brake replacement


The rear pads are usualy harder than the front and the harder the pads the more wear there is on the rotors Unless the rotors were worn to the point of replacement they could have had them skimmed.Being soft doesnt make much sense.Have an 03 ba falcon and only replaced our rotors after doing 125000ks The expidition is a similar beast that used the same brake system.Get the rotors skimmed and go to a slightly softer pad to extend rotor life

Oct 26, 2008 | 2005 Ford Expedition

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