Car maintenance Hyundai Sonata 3

Vehicle Identification Number
The vehicle identification number is located at the top of the engine compartment bulkhead and at the bottom of the left front door pillar. The vehicle identification...

A few words about safety
1. When lifting with a jack, it is necessary to block the car wheels. 2. The jack should be placed only under the designated areas of the bottom. Support the car with...

Tightening torques of bolts with a torque wrench, Nm
Bolt diameter and thread pitch, mm Head type 4 Head type 7 M5x0.8 3-4 5-6 M6x1.0 5-6 9-11 M8x1.25 12-15 20-25 M10x1.25 25-30 30-49 M12x1.25 34-40 59-78 M14x1.5 74-83...

Scheduled maintenance
When both distance traveled and time are specified, the service interval is determined by whichever occurs first. R: Replace I: Inspect and then clean, lubricate,...

Heavy duty maintenance
In vehicles operated in severe conditions, the following components are subject to more frequent maintenance: I: Inspect, repair or replace if necessary R: Replace Knot...

Recommended lubricants and their consumption
Recommended lubricants Consumption, liters

Checking the engine oil level
1. Warm up the engine 2. Remove the filler neck cap (on the lid) and drain the engine oil (with the drain plug removed). 3. Screw in the drain plug and tighten it with a...

Replacing the engine oil filter
1. Replace the oil filter at every oil change. 2. When removing the oil filter, use a special filter wrench (available commercially). 3. Drain the oil from the filter....

Valve clearance — checking and adjustment
Since the intake and exhaust valves are equipped with an automatic clearance adjustment mechanism, there is no need to adjust the clearance. If there is valve knocking...

Replacing the air filter
The air filter gets dirty during operation, which can significantly reduce its efficiency. In this case, it should be replaced with a new one. 1. Remove the air supply...

Checking and adjusting belt tension
Apply a force of 100 N to the drive belt at the center between the pulleys as shown in the figure and measure the amount of deflection. Measure the tension with a...

Engine cooling system
Check the cooling system for damaged hoses, loose or leaky connections, or other possible defects. Antifreeze When a car is manufactured, the cooling system is filled...

Replacing ignition wires
Spark plug wires should be replaced with new ones periodically. After replacement, make sure that the spark plug wires and clamps are connected correctly and securely....

Replacing the oxygen sensor
The oxygen sensor is a device that monitors the composition of the fuel mixture. If it is damaged, the effect of cleaning exhaust gases deteriorates and engine power...

Fuel delivery system — tank, fuel lines and connections
1. Check for damage or tightness of wires and connections. 2. Check the fuel hoses for heating and mechanical damage. Hard and brittle rubber, cracks, tears, cuts, areas...

Manual transmission — checking the oil level
Check the components of the unit for leaks, check the oil level by removing the filler plug. If the oil is contaminated, it must be replaced with fresh oil. 1. After...

Automatic transmission (replacement of working fluid)
Drain the liquid and check for signs of contamination. Fill with fresh liquid after eliminating the causes of contamination. 1. Remove the drain plug under the...

Steering drive
1. Check the steering wheel play. The maximum play of the steering wheel should not exceed 30 mm. 2. Check the serviceability and adjustment of the steering drive as...

Fluid level in the booster reservoir
1. Place the vehicle being tested on a level horizontal surface, start the engine and then turn the steering wheel several times to increase the temperature of the...

Booster hoses (signs of wear or leaks)
1. Check for leaks in the connections. 2. Booster hoses should be replaced if they show surface cracks, scoring or abrasion.

Ball joint and steering seals. Steering and drive shaft boots
1. These components, which are permanently lubricated at the factory, do not require periodic lubrication. Damaged seals and boots must be replaced to prevent leakage or...

Brake drive
1. Check the brake lines and hoses for damage, wear, cracks, corrosion, leaks, bends and kinks. 2. Check the tightness of all clamps. 3. Ensure that drive components do...

Front disc brake pads
Check for signs of fluid contamination or wear. If defective, replace the entire set of pads. Note: If the mechanism makes a squealing or grinding sound when braking,...

Rear drum brake linings and wheel cylinders
1. Remove the drum brake mechanism and check the wear of the brake shoe linings. Manually check the smooth operation of the automatic brake control system. 2. Check the...

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