Toyota Sienna Service Manual: Brake

GENERAL MAINTENANCE

1. INSPECT BRAKE LINE PIPES AND HOSES

HINT:

Check the entire circumference and length of the brake hoses using a mirror as required in a well-lighted area.

Turn the front wheels fully right or left before checking the front brakes.

(a) Check all the brake lines and hoses for:

• Damage
• Wear
• Deformation
• Cracks
• Corrosion
• Leaks
• Bends
• Twists

(b) Check all the clamps for tightness and connections for leakage.

(c) Check that the hoses and lines are clear of sharp edges, moving parts and the exhaust system.

(d) Check that the lines are installed in grommets passing through the center of the grommets.

2. INSPECT FRONT BRAKE PADS AND DISCS

HINT:

(See page BR-26)

(a) If a squealing or scraping noise is heard from the brakes while driving, check the pad wear indicator.

If there are traces of the indicator contacting

3. INSPECT REAR BRAKE PADS AND DISCS

HINT:

(See page BR-32)

4. REMOVE REAR BRAKE LININGS AND DRUMS

HINT:

(See page BR-39)