Question about 2002 Isuzu Axiom

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I cant get the brake disc to push back in to replace the brake pads. Is there a switch in the Master Resevoir that I have to open and if so how?

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2 Answers

Without using a scanner to open the ABS System or pushing dirty fluid back against the system,I will suggest using, one old brake pad and a C-Clamp, you can get at sears hardware,and compress the caliper piston in.
I would open the bleeder valve first,as I said, you don't want to push dirty fluid toward the ABS Module,AND you WILL be flushing and bleeding the ENTIRE system,All Four corners,Every year or two.

Posted on Oct 01, 2010

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  • Isuzu Master
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No, see procedure below listed at autozone.com. Try opening bleeder. You may have a kink somewhere or hose decomposing internally. Else the piston is locked in place. Was the brake working before replacing pads?

  1. Remove 1 / 2 of the volume of brake fluid from the master cylinder to prevent overflow when the caliper piston is compressed.
  2. Raise and safely support the vehicle.
  3. Remove the wheel and tire assemblies.
  4. Remove the brake caliper without disconnecting the brake line. Support the caliper with a length of wire. Do not let the caliper hang from the brake hose.
    NOTE On some disc brake systems it is not necessary to remove the caliper when installing new brake pads. Remove the lower slide bolt and rotate the caliper upward to remove the pads.
  5. Remove the brake pads and shims. Inspect the brake rotor and machine or replace as necessary. Check the minimum thickness (specification is cast into the rotor) before machining.

To install:
  1. Use a suitable tool to push the caliper piston into its bore.
  2. Apply a thin coat of grease to the rear face of the brake pad and install the shim. Install the brake pads.
  3. Install the calipers. Lubricate the caliper bolts and boots. If equipped with a 4-cylinder engine, tighten the caliper mounting bolts to 24 ft. lbs. (33 Nm). If equipped with a 6-cylinder engine, tighten the caliper mounting bolts to 54 ft. lbs. (74 Nm).
  4. Install the wheel and tire assemblies and lower the vehicle.
  5. Apply the brakes several times to seat the pads before moving the vehicle. Check the fluid in the master cylinder and add as necessary.

Posted on Oct 01, 2010

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rate as fixya if this is what you need. Thanks

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    • Some of the fluid from the master cylinder
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To install:
  1. Lubricate both the caliper mating surface and the machined abutment surfaces with multi-purpose lubricant.
  2. Before brake pad installation, be sure to lightly coat the outer backing plate surface of the new brake pads with a disc brake pad anti-squeal lubricant, usually a gel-like material that deadens any high-frequency vibration that can be the source of disc brake squeal.
  3. Install or connect the following:
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  5. Before moving the vehicle, pump the brakes until a firm pedal is obtained. Road test the vehicle to make sure the brake operation is normal.

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