Toyota Sienna Service Manual: Brake

Toyota Sienna Service Manual / Maintenance / 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.

INSPECT BRAKE LINE PIPES AND HOSES

(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.

(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

INSPECT REAR BRAKE PADS AND DISCS

HINT:

(See page BR-32)

4. REMOVE REAR BRAKE LININGS AND DRUMS

HINT:

(See page BR-39)

Engine

GENERAL MAINTENANCE HINT: Inspect these items when the engine is cold. 1. INSPECT DRIVE BELT HINT: (See page EM-6) 2. REPLACE SPARK PLUGS HINT: (See page IG-8) 3. INSPECT AIR FILTER (a) ...

Chassis

GENERAL MAINTENANCE 1. INSPECT STEERING LINKAGE (a) Check the steering linkage for looseness or damage. Check that: Tie rod ends do not have excessive play. Dust seals and boots are not da ...

Other materials:

Data list / active test
1. USING INTELLIGENT TESTER Connect the intelligent tester to the DLC3. Monitor the ECU data by following the prompts on the tester screen. HINT: The intelligent tester has a "Snapshot" function which records the monitored data. Refer to the intelligent tester o ...

Comfort Access
Concept The vehicle can be accessed without operating the vehicle key. Carrying the vehicle key with you, e.g., in your pants pocket, is sufficient. The vehicle automatically detects the vehicle key when it is in close proximity or in the car's interior. General information Comfort Access supports ...

Catalyst System Efficiency Below Threshold
MONITOR DESCRIPTION The ECM uses the sensors mounted in front of and behind the three-way catalyst (TWC) to monitor its efficiency. The first sensor, an Air Fuel ratio (A/F) sensor, sends pre-catalyst A/F ratio information to the ECM. The second sensor, a heated oxygen sensor (O2S), sends ...