Vehicle Maintenance Toyota Corona 9 (T190)

Maintenance intervals
If you primarily operate your vehicle under one or more of the following special conditions, more frequent maintenance may be required for some items in the maintenance plan. 1. Road conditions. a) Operation on bumpy,...

Engine oil and filter
Precautions when working with oils 1. Long-term and repeated contact with motor oil removes the natural oil layer from the skin, causing dryness, irritation and dermatitis. In addition, the motor oils used contain...

Checking and replacing coolant
1. Check the coolant level in the expansion tank. The coolant level on a cold engine should be between the "LOW" and "FULL" marks on the wall of the expansion tank. If the level is low, check for leaks and add coolant...

Checking and cleaning the air filter
1. Remove the air filter. 2. Check the air filter and make sure it is not damaged or has oil stains. Replace the air filter if necessary. 3. Using compressed air, completely blow out the top of the filter element and...

Checking the battery status
1. When inspecting the battery, check: the absence of rust on the battery bracket, the strength of the battery terminals, the absence of corrosion and damage to the terminals, the absence of damage and leaks in the...

Checking high voltage wires
Note: If necessary, see chapter " to remove high-voltage wires Ignition system ". 1. Disconnect the spark plug wires from the spark plugs by holding them only by the rubber caps. Improper handling of the wires can cause...

Checking spark plugs
Conventional spark plug type Note: Depending on the configuration, spark plugs with two electrodes may be installed. 1. Disconnect the high-voltage wires from the spark plugs. 2. Remove the spark plugs using a 16mm...

Checking the alternator drive belt
1. Check the drive belt. a) Check the alternator drive belt for wear and damage. If a defect is found, replace the belt. Note: Separation of rubber from the cord on the inner side is not allowed (from the side of the...

Checking and adjusting the ignition timing angle
1. Warm up the engine to normal operating temperature. 2. Connect the tachometer and stroboscope. Connect the tachometer tester probe to the "IG" (-) terminal of the diagnostic connector. 3S-FE, 4S-FE, 4A-FE, 7A-FE....

Checking and adjusting the injection advance angle (2C, 2C-T)
1. Set the piston of cylinder No.1 or cylinder No.4 to the position 25-30° before TDC of the compression stroke by turning the crankshaft pulley clockwise so that the groove on the pulley is in the position 25-30°...

Checking the idle speed
Initial conditions for testing: a) The engine is warmed up to normal operating temperature b) The air filter is installed. c) All air intake system tubes and hoses are connected. d) All vacuum lines are connected. d)...

Checking the variable geometry intake manifold system (Lean burn) (3S-GE and 4A-FE)
1. Warm up the engine to normal operating temperature and stop it. 2. Connect the tachometer. 3 Using a tee, connect the pressure gauge to the hose between the solenoid valve and the actuator. 3S-GE 4A-FE 4. Check the...

Checking CO/CH in idle mode (petrol engines)
1. Initial conditions of verification: a) The engine is warmed up to normal operating temperature. b) The air filter is installed c) All air intake system tubes and hoses are connected d) All vacuum lines are connected....

Adjusting the idle speed when the air conditioner is turned on (2C, 2C-T)
1. Initial conditions of verification: a) The engine is warmed up to normal operating temperature b) The air filter is installed. c) All air intake system tubes and hoses are connected. d) All vacuum lines are...

Checking the end compression pressure
Note: If lack of power, increased oil and/or fuel consumption is observed, measure the end compression pressure. 1. Warm up the engine to normal operating temperature and stop it. (Petrol engines) 2. (3S-GE) Disconnect...

Checking the Timing Belt Components
1. Check the timing belt: Do not bend or twist the timing belt. Do not allow the timing belt to come into contact with oil or water. Do not stretch the timing belt when installing or removing the camshaft toothed pulley...

Checking and replacing oil in manual transmission and transfer case (4WD)
1. Place the vehicle on a flat, horizontal surface. 2. Unscrew the filler plug. Make sure that the oil level in the gearbox housing is under the edge of the filler plug hole. If necessary, add oil to the housing. 3. To...

Checking the oil level in the rear axle gearbox
1. Place the vehicle on a flat, horizontal surface. 2. Unscrew the filler plug. Make sure that the oil level in the crankcase is under the edge of the filler plug hole. If necessary, add oil to the crankcase. Caution:...

Checking the level and condition of the working fluid in the automatic transmission
Attention: check the level and condition of the automatic transmission fluid regularly (every 1000 km.). Note: The vehicle must be driven until the working fluid reaches its normal operating temperature of 70-80°C. 1....

Replacing the working fluid in the automatic transmission
Note: replace the working fluid every 25,000 - 40,000 km depending on operating conditions. 1. Unscrew the drain plug and drain the working fluid. 2. (Only for A540H) In addition to the drain plug of the automatic...

Replacing the automatic transmission fluid filter
Note: Replace the filter (or its rinsing, if possible) must be carried out at each change of the working fluid. 1. Wash the outer surfaces of the gearbox housing. 2. Unscrew the drain plug and drain the working fluid...

Checking the level and replacing the working fluid in the differential (automatic transmission-A132L)
1. Unscrew the filler plug and check the level and condition of the working fluid in the differential. Replace if necessary. 2. Unscrew the drain plug and drain the working fluid. 3. Install a new gasket and tighten the...

Checking the oil level in the transfer case (automatic transmission-A540N)
Note: The transfer case wire feeler gauge is located on the driver's side in the engine compartment, next to the body number. 1. Place the vehicle on a level, horizontal surface and apply the parking brake. 2. Remove...

Transfer case oil change (A540N)
1. Unscrew the drain plug and drain the oil. 2. Install the drain plug. 3. Fill fresh oil through the filler tube to the lower mark of the "COOL" range. Recommended oil: aPI oil class — GL-5 recommended oil - SAE 75W-90...

Checking the level of working fluid and hydraulic brake system
1. The working fluid level should be between the "MAX" and "MIN" marks by approximately 10 mm (brake system) or 5 mm (adhesion) below the maximum level. 2. If the level is below the "MIN" mark, add the same type of...

Checking the power steering fluid level
1. Place the vehicle on a flat, horizontal surface. 2. With the engine stopped, check the working fluid level in the reservoir. Add if necessary. Attention: if the working fluid is heated (60-80°C), measure the level on...

Jack mounting points
Note: For jack mounting points for changing a wheel, see chapter " User manual " Jack installation points: 1 - for vehicles with MacPherson type rear suspension. 2 - for vehicles with spring type rear suspension;

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Corona T190 (1992-1997)