Toyota
Dodge Durango
 Service Manual
Brakes » Base brake system » Cleaning and inspection
Caliper

CLEANING

Clean the caliper components with clean brake fluid or brake clean only. Wipe the caliper and piston dry with lint free towels or use low pressure compressed air.

Fig. 55 Shoe Contact Surfaces

Fig. 55 Shoe Contact Surfaces

1 - ANCHOR PIN

2 - SUPPORT PLATE

3 - SHOE CONTACT SURFACES

CAUTION: Do not use gasoline, kerosene, paint thinner, or similar solvents. These products may leave a residue that could damage the piston and seal.

INSPECTION

The piston is made from a phenolic resin (plastic material) and should be smooth and clean.

The piston must be replaced if cracked or scored.

Do not attempt to restore a scored piston surface by sanding or polishing.

CAUTION: If the caliper piston is replaced, install the same type of piston in the caliper. Never interchange phenolic resin and steel caliper pistons.

The pistons, seals, seal grooves, caliper bore and piston tolerances are different.

The bore can be lightly polished with a brake hone to remove very minor surface imperfections (Fig. 56). The caliper should be replaced if the bore is severely corroded, rusted, scored, or if polishing would increase bore diameter more than 0.025 mm (0.001 inch).

    More about «Cleaning and inspection»:

    Rear drum brake

    Caliper

    Wheel cylinder

    Dodge Durango Service Manual / Brakes / Base brake system / Cleaning and inspection / Caliper

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