Toyota Tacoma manuals

Toyota Corolla Repair Manual: Onvehicle inspection

1. Inspect brake booster

  1. Airtightness check.
  1.  Start the engine and stop it after 1 or 2 minutes. Depress the brake pedal several times slowly.

    Hint

    : if the pedal goes down farthest at the 1st time, but gradually rises after the 2nd or 3rd time, the booster is airtight.

  2.  Depress the brake pedal while the engine is running, and stop the engine with the pedal depressed.

    Hint

    : if there is no change in the pedal reserve distance after holding the pedal for 30 seconds, the booster is airtight.

  1. Operating check.
  1.  Depress the brake pedal several times with the ignition switch off and check that there is no change in the pedal reserve distance.
  2.  Depress the brake pedal and start the engine.

    Hint

    : if the pedal goes down slightly, operation is normal.

2. Inspect vacuum check valve

  1.  check vacuum check valve.
  1. Slide the clip and disconnect the vacuum hose.
  2. Remove the vacuum check valve.

  1. Check that there is ventilation from the booster to engine, and no ventilation from the engine to the booster.
  2.  If any fault is found, replace the vacuum check valve.
Brake booster assy
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Components
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Other materials:

Replacement
Hint: installation is in the reverse order of the removal. But the installation is indicated only when it has a point. 1. Remove rear door opening trim rh 2. Remove rear door opening trim lh 3. Remove rear seat cushion assembly ( or 728) 4. Remove rear seat back assy (fixed type rear seat) ...

Circuit description
The throttle pressure that is applied to the primary regulator valve (which modulates the line pressure) causes the solenoid valve slt, under electronic control, to precisely and minutely modulate and generate the line pressure according the extent of the accelerator pedal depressed or the o ...

Calculation formula for your vehicle
1 Cargo capacity 2 Total load capacity (vehicle capacity weight) When 2 people with the combined weight of A lb. (kg) are riding in your vehicle, which has a total load capacity (vehicle capacity weight) of B lb. (kg), the available amount of cargo and luggage load capacity will be C lb. (kg ...

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