Toyota Tacoma manuals

Toyota Corolla Repair Manual: Onvehicle inspection

1. Inspect cooling system for leaks

Caution:

Caution

: to avoid the danger of being burned, do not remove the radiator cap while the engine and radiator are still hot, as fluid and steam can be blown out under pressure.

  1.  fill the radiator with coolant and attach a radiator cap tester.
  2.  warm up the engine.
  3.  pump it to 118 kpa (1.2 Kgf/cm2, 17.1 Psi), and check that the pressure does not drop.

Hint

: if the pressure drops, check the hoses, radiator or water pump for leaks. If no external leaks are found, check the heater core, cylinder block and head.

2. Check engine coolant level at reservoir

  1.  the engine coolant level should be between the low and full line.

Hint

: if low, check for leaks and add toyota long life coolant or equivalent up to the full line.

3. Check engine coolant quality

  1.  remove the radiator cap.

Caution

: to avoid the danger of being burned, do not remove the radiator cap while the engine and radiator are still hot, as fluid and steam can be blown out under pressure.

  1.  check if there is any excessive deposits of rust or scale around the radiator cap and radiator filler hole; the coolant should be free from oil.

Hint

: if excessively dirty, replace the coolant.

  1.  reinstall the radiator cap.

4. Inspect fins blockage

  1. If fins are clogged, wash them with water or a steam cleaner and dry with compressed air.

Notice

:

Cooling system
...

Inspection
1. Thermostat Hint: the thermostat is numbered with the valve opening temperature. Immerse the thermostat in water and gradually heat the water.  check the valve opening temperature ...

Other materials:

Circuit description
The purpose of this circuit is to prevent the engine from stalling while driving in lockup condition, when brakes are suddenly applied. When the brake pedal is depressed, this switch sends a signals to the ecm. Then the ecm cancels the operation of the lockup clutch while braking is in pr ...

Overhaul
1. Remove manual transaxle assy 2. Remove clutch release fork subassy Remove the clutch release fork with clutch release bearing from the transaxle assy. 3. Remove clutch release bearing assy  remove the clutch release bearing assy from the clutch release fork. 4. Remo ...

Inspection procedure
Hint: this dtc chart is on the premise that the engine is cranked normally. If the engine is not cranked, proceed to the problem symptoms table on page 0542. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions wh ...

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