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:

Inspection procedure
Hint: start the inspection from step 1 in case of using the handheld tester and start from step 2 in case of not using handheld tester. 1 Inspect brake actuator assy Select the datalist mode on the handheld tester.  check the operation sound of the abs pump motor when operating it ...

Oil filter subassy
Replacement Caution: prolonged and repeated contact with mineral oil will result in the removal of natural fats from the skin, leading to dryness, irritation and dermatitis. In addition, used engine oil contains potentially harmful contaminants which may cause skin cancer. Exercise ...

Inspection procedure
1 Check front airbag sensor (lh) circuit (to b+)(airbag sensor assy center airbag sensor front lh) Disconnect the negative () terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the airbag sens ...

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