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2000 Mazda B4000 4x4 rattling noise from front of vehicle

We replaced the front brake pads, brake calipers, brake rotors. Replaced brake shoes in the rear. Replaced auto locking hubs to manual locking hubs for the for wheel drive. Replaced the switch on the dash for 2x2, 4x4 high, 4x4 low. Replaced the electric motor on the transfer case. There are shafts (axle, cv?) that we did not replace, we have a very annoying rattling sound coming from the front of the vehicle when we drive it, any suggestions?

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  • Cars & Trucks Master
  • 451 Answers

Check all the plastic cowlings and air dams to make sure they are not loose and rattling in the wind when you drive down the road. Check the exhaust system for any broken or loose hangers. Hope this helps.

Posted on Jan 02, 2014

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SOURCE: stuck calipers

Brake lines are not releasing fluid back to master cylinder. Open bleeder and see if wheel will turn. If it does replace brake line to caliper

Posted on May 08, 2010

  • 2 Answers

SOURCE: whining/grinding noise at deceleration

We have the same problem at our shop. We haven't rebuilt the front differential yet. We tried 3 different shafts on 2 different Jeeps and the noise is on both just the same. By greasing the front driveshaft cv joint, we got he noise to quiet some, but it is still way to loud. With the driveshaft out, the noise is gone. We are about to buy a new shaft from the dealer for $600. There are some service bulletins about some noisy driveshafts.

Posted on May 11, 2010

SOURCE: I have a 2002 Ford

Drive Axle Joints or Wheel Bearings?

Posted on Sep 30, 2010

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7 Answers

My 2000 Dodge caravan's brakes are screeching after I changed them. Its only been 2 months since I changed them and its becoming very annoying. Changed the brakes and brake pads.


did you apply the brake pad anti squeal grease it should be applied generously to back of brake pads & also where brake calipers where brake pads will travel as they wear in some cases hard lifetime brake pads usually bmw/other german vehicles will simply squeal unless you install softer &wont last as long but im sure that brake grease will solve your noise issue you should have got a small tube where you purchased the brake pads !

Apr 30, 2015 | 2000 Dodge Caravan

1 Answer

2003 Chevy suburban replaced front rotors and


you need to take the calipers off and make sure the caliper bolt are free of rust, dirt, and debris inside the boot and caliper bolt hole the caliper slides on these bolts so that both brake pads can wear equally. I suggest antiseize on a clean bolt. A small amount of grease will work, be careful this does not get on the pads or rotor.

Sep 15, 2014 | 2003 Chevrolet Suburban

1 Answer

Burning smell brakes


Most people do not remove the rear rotors and inspect the Emergency Brake shoes. These often peel off the metal backing on the shoe and jam inside the interior Drum of the rotor. Some people will hear a rusty grinding noise after pulling away from a stop.

These brakes have the old "star-wheel" adjusters and may need to be adjusted more loosely to remove the rotor. Its a bad system in my opinion; the drum always rusts and corrodes and the Ebrake shoes are banana peel thin. With corrosion, the drum acts like a grinder and chews up the brake shoes. Some other configurations use a mechanical link on the caliper to make the service brakes act in an Emergency. It will override a hydraulic failure, but you still need good pads on the caliper.

Mar 17, 2014 | 2000 Ford Expedition

1 Answer

I need to know how to change the front brakes on a 94 jeep grand cherokee laredo.


  1. Raise and support the vehicle safely using jackstands. Remove the wheel(s) on the side to be worked on.

NOTE: Removing a small amount of brake fluid from the master cylinder using a turkey baster


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Fig. 4: Tighten the C-clamp until the piston reaches the bottom of its bore


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Fig. 5: Remove the caliper mounting bolts


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Fig. 6: Slide the caliper off the brake rotor

  1. Drain a small amount of the brake fluid from the front reservoir using a suction gun or a turkey baster.
  2. Place a C-clamp on the caliper so that the solid end contacts the back of the caliper and the screw end contacts the metal part of the outboard brake pad.
  3. Tighten the clamp until the caliper moves far enough to force the piston to the bottom of the piston bore. This will back the brake pads off of the rotor surface to facilitate the removal and installation of the caliper assembly
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Fig. 7: Support the caliper so that no tension is placed on the brake hose


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Fig. 8: Hold the anti-rattle clip while removing the outboard pad (4)


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Fig. 9: Removing the outboard brake pad


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Fig. 10: Remove the inboard pad and anti-rattle clip


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Fig. 11: Removing the inboard brake pad


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Fig. 12: Removing the anti-rattle clip

  1. Remove the C-clamp.
Do not push down on the brake pedal or the piston and brake pads will return to their original positions up against the rotor.
  1. Remove the caliper mounting bolts. Tilt the top of the caliper outward and lift it off the rotor.
  2. Hold the anti-rattle clip against the caliper anchor plate and remove the outboard brake pad.
  3. Remove the inboard pad and the anti-rattle clip. Be sure that the support spring is removed with the inboard pad.
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Fig. 13: Install the support spring onto the shoe of the inboard brake pad


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Fig. 14: Installing the inboard pad


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Fig. 15: Piston extension on new and worn brake pads

  1. Use a piece of wire to support the caliper so that no tension is placed on the brake hose. Do not allow the caliper to hang by the brake hose.
To install:
  1. Clean all the mounting holes and bushing grooves in the caliper ears. Clean the mounting bolts. Replace the bolts if they are corroded or if the threads are damaged. Wipe the inside of the caliper clean, including the exterior of the dust boot. Inspect the dust boot for cuts or cracks and for proper seating in the piston bore. If evidence of fluid leakage is noted, the caliper should be rebuilt.
Do not use abrasives on the bolts in order not to destroy their protective plating. You should not use compressed air to clean the inside of the caliper, as it may unseat the dust boot seal.
  1. If not already in place, attach the support spring to the inboard brake pad.
  2. Install the anti-rattle clip on the trailing end of the inboard pad's anchor plate. The split end of the clip must face away from the rotor.
  3. Install the inboard pad in the caliper. The pad must lay flat against the piston.
  4. Install the outboard pad in the caliper while holding the anti-rattle clip.
  5. With the pads installed, position the caliper over the rotor.
Before securing the caliper, ensure the brake hose is not twisted, kinked or touching any chassis parts.
  1. Lubricate the caliper pins and bushings with silicone grease. Line up the mounting holes in the caliper and the support bracket and insert the mounting bolts. Make sure that the bolts pass under the retaining ears on the inboard shoes. Push the bolts through until they engage the holes of the outboard pad and caliper ears. Thread the bolts into the support bracket and tighten them to 7-15 ft. lbs. (9-20 Nm).
CAUTION On models with manual/power brakes, pump the pedal until the caliper pistons and brake shoes are seated. On models with anti-lock brakes, turn the ignition ON and allow the booster pump to build pressure. Pump the brake pedal until the shoes are seated and the indicator lights turn off.
  1. Fill the master cylinder with brake fluid and pump the brake pedal to seat the pads.
  2. Install the wheel assembly and lower the vehicle. Check the level of the brake fluid in the master cylinder and fill as necessary.

Remember to rate this, good luck.

Nov 04, 2010 | 1994 Jeep Grand Cherokee

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

Replace rear brake pads


Rear disc brake pads offer better performance and are not as affected by moisture like conventional brake shoe style brakes are. Rear disc brakes are similar to front disc brakes. The main difference is that rear disc brake systems must incorporate the emergency brake system. There are two methods widely used for the emergency brake with rear disc systems. The first system is a brake shoe inside the brake disc that is actuated by the emergency brake lever. The second is a screw style actuator inside the brake caliper. When activated the brake pads are forced into the brake disc and held tightly by the emergency brake lever.
READ COMPLETELY BEFORE STARTING
Step 1 - Identify Rear Disc Brake Components
rear_brake_pads.jpg Rear disc brake assembly includes; rear brake disc, rear brake pads, brake caliper mount and a caliper mounting screw. (Note: Some vehicles do not have the rotor mounting screw.)
Step 2 - Removing the Rear Brake Caliper Mount Bolts
rear_brake_pads_2.jpg To replace rear brake pads and rotors the rear brake caliper needs to be removed. First loosen the rear brake caliper mount bolts and remove them. Turn counter clockwise.
Step 3 - Lift Rear Brake Caliper from The Caliper Mount
rear_brake_pads_3.jpg After the caliper mount bolts have been removed, gently lift the brake caliper from the caliper mount. Inspect the caliper slides; they should move freely in the caliper mount. Remove rear brake pads and hardware.

Step 4 - Removing Caliper Mount Bolts
rear_brake_pads_4.jpg With a socket wrench or other appropriate removal tool, loosen the rear brake caliper mounting bolts. Remove bolts and lift the caliper mount and remove it from the vehicle. Remove the retaining screw from the disc mounting hole. Tap the rotor gently to release any rust that has accumulated between the rotor and bearing hub. Lift brake rotor from wheel hub holding on tightly, using both hands. You do not want to drop the rotor.

Step 5 - Removing Rear Brake Rotor
rear_brake_rotor.jpg Remove the retaining screw from the disc mounting hole, tap the rotor gently to release any rust that has accumulated between the rotor and bearing hub. Lift brake rotor from wheel hub, hold on using both hands and do not drop.

Step 6 - Install New Brake Rotor
rear_brake_rotor_2.jpg Check the new rotor against the old brake rotor to make sure they are the same size. Clean the mating surface on the wheel hub before the new brake rotor is installed. Reinstall rotor retainer screw.
Step 7 - Reset Rear Brake Caliper
rear_brakes_7.jpg Before new brake pads can be installed, the rear brake caliper must be reset. The reset tool winds the piston back into position so the new brake pads will fit. This style of brake caliper will not compress with a clamp tool; it can only be reset with the proper reset tool.
Step 8 - Reinstall Rear Caliper Mount and Install New Rear Brake Pads
rear_brake_rotor_3.jpg After the caliper has been reset, reinstall caliper mounting bolts and make sure the bolts are tight. Then match up the old brake pads to the new brake pads. They should be exactly the same except, of course; the old ones will be worn out. Check the new brake pads for proper fit and install any brake hardware that is required.
Step 9 - Remount Rear Brake Caliper
rear_brake_rotor_4.jpg Reinstall the brake caliper, align brake pad hardware and reinstall caliper mounting bolts. (Note: align the rear peg of the brake pad to the groove in the caliper piston.) Recheck and retighten all caliper and caliper mount bolts. Bleed brake system to relieve any air in the system. Before driving the vehicle, push the brake pedal down and let it up slowly. This operation forces the brake pads to travel to the brake rotors. DO NOT DRIVE VEHICLE until proper brake pedal operation resumes. When test driving vehicle listen for any unusual noises during the operation of the brakes.
WARNING! Always have the vehicle under inspection on level ground, in park with the emergency brake on. Always wear protective eyewear, gloves and necessary clothing before inspection or work begins. Never crank an engine over when anyone is near the battery or engine. Always have an operational fire extinguisher close by, obey all first aid instructions in the event of an injury. Never stand in front or behind a vehicle when cranked over or running. When engine is cranked over keep hands and clothing away from rotating components. Never move a car without proper brake pedal operation.

Jun 01, 2010 | 1995 Saab 900

1 Answer

Change front disc brakes


Except Srt-4
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Remove the front wheels.
  3. Remove the 2 caliper to steering knuckle guide pin bolts.
  4. Lift the caliper away from the steering knuckle by first rotating the free end of the caliper away from the steering knuckle. Then, slide the opposite end of the caliper out from under the machined end of the steering knuckle.
  5. Support the caliper from the upper control arm to prevent the weight of the caliper from being supported by the brake flex hose that will damage the hose.
  6. Remove the brake pads from the caliper. Remove the outboard brake pad by prying the pad retaining clip over the raised area on the caliper. Then, slide the pad down and off the caliper. Pull the inboard brake pad away from the piston until the retaining clip is free from the cavity in the piston.
  7. If required, the rotor can be removed by pulling it straight off the wheel mounting studs.
To install:
  1. Clean all parts well. Inspect the caliper for piston seal leaks (brake fluid in and around the boot area and inboard lining) and for any ruptures of the piston dust boot. If the boot is damaged or fluid leak is visible, disassemble the caliper and install a new seal and boot (and piston, if scored).
  2. Inspect the caliper pin bushings. Replace if damaged, dry or brittle.
  3. Completely compress the piston into the caliper using a large C-clamp or other suitable tool.
  4. Lubricate the area on the steering knuckle where the caliper slides with high temperature grease.
  5. Reinstall the rotor if removed.
  6. Reinstall the brake pads into the caliper. Note that the inboard and outboard pads are different. Make sure the inboard brake shoe assembly is positioned squarely against the face of the caliper piston.

    NOTE Be sure to remove the noise suppression gasket paper cover if the pads come so equipped.

  7. Carefully position the caliper and brake shoe assemblies over the rotor by hooking the lower end of the caliper over the steering knuckle. Then, rotate the caliper into position at the top of the steering knuckle. Make sure the caliper guide pin bolts, bushings and sleeves are clear of the steering knuckle bosses.
  8. Reinstall the caliper guide pin bolts and torque to 16 ft. lbs. (22 Nm).
  9. Reinstall the wheels and torque the lug nuts to 100 ft. lbs. (135 Nm).
  10. Pump the brake pedal until the brake pads are seated and a firm pedal is achieved before attempting to move the vehicle.
  11. Road test the vehicle for proper operation.

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Apr 23, 2010 | 2000 Dodge Neon

1 Answer

Front brakes heat up and sieze both my front brakes feel like there sticking after driving for a while plymouth voyager 1998


Whenever you have new brake pads put on it is best to have the rotors cut. Otherwise they can shudder or grab or any number of things. If the vehicle is pulling to one side or another it could be a frozen caliper. Calipers should always be replaced in pairs. As with all brake work, anything done to one side absolutely needs to be done to the other. Always purchase medium grade brake pads and shoes. Premium pads and shoes are almost always too agressive for any rotor to withstand and will generate excessive heat and premature wear. If your brakes seem like they arent releasing it is most likely the calipers.

Feb 20, 2010 | 1998 Plymouth Voyager

1 Answer

Worn brake pads


Front brake pad exchange guide.

Step1 Park the Dodge Durango on a flat surface. Put the emergency brake on and put wedges behind the wheels to prevent the vehicle from rolling. Disconnect the negative battery cable from the battery. Drain 2/3 of the brake fluid from the master cylinder, using a syringe. Remove the wheel and the tire assemblies. Step2 Compress the caliper piston back into the caliper bore using a large C-clamp to drive the piston into the bore. Use additional force if it is required. Using a 3/8 inch hex wrench or socket remove the caliper mounting bolts. Step3 Rotate the caliper rearward off the rotor and out from its mount. Remove the inboard and outboard brake pads. Remove the spring clip that holds the inboard brakes in the caliper. Tilt the pad out at the top to unseat the clip. Remove the retaining spring that secures it in the caliper. Unseat one spring end and rotate the pad out of the caliper. Step4 Suspend the caliper assembly from the Durango frame using mechanic's wire. Do not allow the caliper assembly to dangle from the brake hose as this may damage the brake hose. Step5 Clean the surfaces of the caliper and steering knuckle with a wire brush. Apply multi-mileage grease or similar product. Using brake fluid or break cleaner clean the caliper slide pins. Apply a light coating of silicone grease to the pins. Step6 Install the inboard brake pad and it's spring. Install the outboard brake pad. Install the caliper over the rotor and seat it in its original position until it is flush. Using a torque wrench, torque the slide caliper pins to 22 ft./lbs. Step7 Add brake fluid to the master cylinder. Bleed the brakes. Reconnect the negative battery cable to the battery. Start the engine and pump the brakes 3-4 times to seat the brake pads. Reinstall the wheels. Test drive the Durango at slow to moderate speeds to ensure that the maintenance was performed correctly.
Rear brake pad exchange.

Step1 Lift the Durango off the ground with a car jack. Support the vehicle on all sides with jack stands. Keep children and small animals out of the vicinity when you replace the brakes. Step2 Loosen the lug nuts on the wheels with a torque wrench. Remove the wheel and tire assemblies and set them aside, face up, to prevent damage. Step3 Compress the caliper and remove it by lifting the top up and off the caliper adapter. Hang the caliper from the Durango's frame with mechanical wire. Step4 Remove the inboard and outboard brake shoes from the caliper adapter. Take off the top and bottom anti-rattle springs. Keep the springs separated, as they aren't interchangeable. Step5 Press the piston into the bore with a C-clamp. To prevent damage to the pistons, insert an old brake shoe in between the C-clamp and caliper piston. Remove the C-clamp. Step6 Wipe down the caliper mounting adapter and anti-rattle springs with brake cleaner. Grease the anti-rattle springs with brake grease. Install the bottom anti-rattle springs, followed by the top anti-rattle springs. Step7 Install the inboard brake shoes followed by the outboard brake shoes. Replace the caliper and the wheel and tire assemblies. Lower the vehicle to the ground and pump the brakes to seat the pistons.


Please rate and god bless:)


Apr 02, 2009 | 1999 Dodge Durango

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