Vehicle Maintenance Toyota Highlander 1 (XU20)

Vehicle specifications
Lubricants and operating fluids Application. These are the manufacturer's recommendations and are current as of the time this manual was written. Manufacturers update the specifications of operating fluids and...

Engine compartment
Engine compartment on the four-cylinder variant (typical) 1. Relay box 2. Brake hydraulic fluid reservoir 3. Air filter housing 4. Battery 5. Transmission fluid dipstick 6. Upper radiator hose 7. Radiator cap 8. Engine...

Front and rear of the car
Front of the car (typical view from below) 1. Front brake calipers 2. Brake hoses 3. Oil drain plug (vB engine shown) 4. Drain plug of automatic transmission in block with driving axle 5. Ball joint 6. Axle shaft cover...

Toyota Highlander and Lexus RX 300/330 Service Schedule
The service intervals listed in this manual assume that you, not the dealer, will be performing the work. They are the minimum intervals recommended by the manufacturer for everyday vehicles. If you want to keep your...

Introduction to Maintenance
This chapter will help the car owner maintain the car in good condition, to ensure economy, safety, long service life and the best technical characteristics. It provides a basic maintenance schedule, accompanied by...

General information on current maintenance
The term "routine maintenance" is used in this manual to represent a set of activities as opposed to one specific procedure. If you follow the routine maintenance schedule as instructed in this manual from the moment...

Checking the level of operating fluids (every 400 km or weekly)
1. Operating fluids are the most important element of lubrication, cooling, brake, clutch and other systems. Since these fluids are gradually consumed and/or contaminated during normal vehicle operation, they should be...

Checking the engine oil level
2. The engine oil level should be checked using the dipstick located on the front side of the engine (Fig. 4.2). The dipstick is inserted into a metal tube through which it enters the oil pan. 3. The oil level should be...

Checking the engine coolant level
Warning! Do not allow antifreeze to come into contact with your skin or the paintwork of your vehicle. Wash off splashes immediately with plenty of water. Do not store new coolant or leave used coolant in open...

Checking the Windshield Washer Fluid Level
14. The windshield washer fluid is stored in a plastic reservoir located in the right front corner of the engine compartment (Fig. 4.14). In moderate climates, you can use plain water to fill the reservoir, but do not...

Checking the brake fluid level
15. The brake master cylinder is mounted on the front side of the brake booster in the engine compartment. 16. To check the fluid level in the brake hydraulic reservoir, simply look at the MAX and MIN marks on the...

Checking the power steering fluid level
23. Unlike direct acting steering, the power steering system uses a working fluid, the amount of which may require replenishment over time. 24. The power steering fluid reservoir is located on the right (on the...

Checking the transmission fluid level for an automatic transmission in a block with a drive axle
29. The transmission fluid level in the automatic transmission in the block with the driving axle should be carefully maintained. Low fluid level can cause slipping or loss of transmission, while too much fluid can...

Checking the Transfer Case Transmission Fluid Level (4WD Models)
Caution: If the vehicle is equipped with electronically controlled air suspension, turn off the ride height control switch. 37. The transfer case is not equipped with a dipstick for measuring the level. To check the...

Transmission oil for rear differential (4WD models)
40. Raise the vehicle and place reliable supports under it. Caution: If the vehicle is equipped with electronically controlled air suspension, turn off the ride height control switch. 41. Using a suitable wrench, remove...

Checking the condition of the tires and their pressure (every 400 km or weekly)
1. Periodic tire inspection can save you from the inconvenience of a flat tire. It can also provide you with the information you need to know about potential problems with the steering and suspension systems before...

Replacement of engine oil and oil filter (every 5000 km or 3 months)
Caution: If the vehicle is equipped with electronically controlled air suspension, turn off the ride height control switch. 1. Frequent oil changes are the best preventative maintenance for engine failure that a car...

Battery check and maintenance (every 8000 km or 6 months)
Warning! When checking and servicing the battery, it is necessary to take precautions. The battery cells always contain hydrogen gas, which is highly flammable, so do not approach the battery with a lit cigarette or...

Battery charging (every 8000 km or 6 months)
Warning! When charging the battery, hydrogen gas is formed, which is highly flammable and explosive. Do not smoke or allow open flames near the battery. When near the battery during charging, use eye protection. Before...

Tire rotation (every 8000 km or 6 months)
Caution: If the vehicle is equipped with electronically controlled air suspension, turn off the ride height control switch. 1. Tires should be rotated at the prescribed intervals and when uneven wear is observed. Since...

Inspection and replacement of windshield wiper blades (every 8000 km or 6 months)
1. The windshield wiper assembly with blades should be periodically inspected for damage, loose parts and cracks or wear of the blades. 2. The wipers can accumulate a film of road dirt, which affects their...

Checking and replacing hoses in the engine compartment (every 8000 km or 6 months)
Caution! Replacement of air conditioner hoses should be left to the dealer or an automotive air conditioning specialist who is properly equipped to handle the system safely. Never remove air conditioner components or...

Checking the cooling system (every 8000 km or 6 months)
1. Most serious engine problems can be traced back to a faulty cooling system. If the vehicle is equipped with an automatic transmission, the cooling system also cools the transmission fluid and therefore plays an...

Brake check (every 8000 km or 6 months)
Warning! Dust generated by the brake system is harmful to your health. Never blow it out with compressed air or inhale it. When working on the brakes, use a suitable filter mask. Do not use non-petroleum-based solvents...

Check steering, suspension and axle shaft boots (every 24,000 km or 18 months)
Checking the steering Application: For detailed illustrations of steering and suspension system components, refer to chapter 10 . 1. With the vehicle on its wheels, point the front wheels straight ahead. Gently rock the...

Checking the exhaust system (every 24,000 km or 18 months)
1. When the engine is cold (at least 3 hours after driving) check the entire exhaust system from its starting point on the engine to the end of the exhaust pipe. This should be done on a lift that provides limited...

Air filter replacement (every 48,000 km or 3 years)
1. The air filter is located inside the housing on the left side of the engine compartment. To remove the air filter, release the clamps securing the two sections of the housing to the filter (Fig. 15.1). Fig. 15.1....

Fuel system check (every 48,000 km or 3 years)
Warning! Gasoline is highly flammable. Therefore, when working with any part of the fuel system, additional precautions should be taken. Do not smoke or allow open flames or unshielded lights near the work area. Do not...

Replacing the cabin ventilation filter (every 48,000 km or 3 years)
1. The blower housing has an air filter that cleans the air before it enters the passenger compartment. 2. To remove the air filter, remove the storage compartment (glove compartment). 3. Press on the support tabs of...

Inspect and replace fuel cap gasket (every 48,000 km or 3 years)
1. Remove the fuel filler cap and inspect the rubber gasket for cracks or tears. 2. If replacement is necessary, carefully pry the "old" gasket out of the recess (Fig. 18.2). Be very careful not to damage the sealing...

Check and replace the positive crankcase ventilation (PCV) valve (every 48,000 km or 3 years)
1. The valve and hose of the positive crankcase ventilation system are located in the cylinder head cover. 2. Disconnect the hose, tighten the PCV valve from the cap, and then reconnect the hose. 3. With the engine...

Brake fluid replacement (every 48,000 km or 3 years)
Warning! Brake fluid can cause eye injury and damage paintwork. Therefore, be very careful when handling it. Do not use brake fluid from a container that has been opened for more than a year or has been left open for a...

Check, adjust and replace the drive belt (96,000 km or 6 years and then every 24,000 km and 18 months)
Examination 1. The drive belt is located on the right side of the engine compartment. Good condition and correct adjustment of the belts are the key to reliable engine operation. Due to their structure and the high...

Checking and adjusting valve clearances (96,000 km or 6 years)
Note: On V6 models, the following procedure requires the use of a special tappet tool. It is not possible to perform this procedure without one. 1. Remove the right front fender apron, engine cover and any other...

Automatic Transmission Fluid Replacement in a Block with a Drive Axle (96,000 km or 6 years)
1. The transmission fluid in the automatic transmission in the block with the drive axle should be drained and replaced at the prescribed intervals. Note: Although not recommended by the manufacturer, it is recommended...

Transfer Case Transmission Fluid Change — 4WD Models (96,000 km or 6 years)
1. Raise the vehicle and place secure supports underneath it. Caution: If the vehicle is equipped with electronically controlled air suspension, turn off the ride height control switch. 2. Remove the check/filler plug,...

Rear Differential Transmission Fluid Change — 4WD Models (96,000 km or 6 years)
1. Raise the vehicle and place secure supports underneath it. Caution: If the vehicle is equipped with electronically controlled air suspension, turn off the ride height control switch. 2. Remove the check/filler plug,...

Cooling system maintenance — drain, flush and refill (160,000 km or 10 years and then every 80,500 km or 5 years)
Caution: Wait for the engine to cool down before starting this procedure. Warning! Do not allow antifreeze to come into contact with your skin or the vehicle's paintwork. Splashes should be washed off immediately with...

Check and replace spark plugs (every 193,000 km or 12 years)
Note: Do not adjust the gap on iridium spark plugs. Using a gap adjusting tool on them may damage the iridium coating on the electrodes. These spark plugs are gapped directly by the manufacturer. 1. Replacing spark...

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