Replace the shock absorber buffer block
    Symptoms: According to statistics, Jetta shock absorber system failure rate is relatively high. In the process of driving the car, due to road conditions Jetta car pressure bearings often crack damage phenomenon, serious will make the wheel positioning inaccurate, handling performance is reduced. After the slow block after the damage, such as driving in the bumpy road, the body will be instantly off the ground gap may cause too much off the end of the phenomenon.
    Solution: should travel to 50,000 km to the car repair shop maintenance.
    Maintenance Price: Replacement before the reduction of bearing capacity of 48% of the working hours, the material cost of 75 / a. Replacement after the reduction of red block working hours fee of 33 / a, material costs 40 (oem) / a.
    Clean the throttle body
    Symptoms: Jetta sedan 5v throttle for semi-electronic. In the exercise of 20,000 km or so, due to air quality reasons, the closure valve will have a lot of dirt, when the dirt accumulated to a certain thickness, the engine will start when the car, driving flame and other phenomena, then the throttle need to clean The
    Solution: After cleaning, the computer can be set to meet the standard.
    Maintenance price: cleaning throttle working hours fee of 80, material costs 18.
    Replace the spark plug
    Symptoms: Spark plug working environment and its harsh, if you do not replace the spark plug for a long time, when you drive driving will feel the engine power shortage, slow fuel and so on.
    Solution: You should check with the repair shop to replace the spark plug.
    Maintenance price: General manufacturers require every 30,000 km to check the replacement of a spark plug. Replace the spark plug 5v model working hours fee of 7 / a, material costs 5v models for the 9 / a. 2v model working hours fee 7 / a, 2v model material fee 9 / a. Carburetor models working hours 3.5 / a, material costs 5 / a.
    Wheel alignment
    Symptom: The wheel position is related to the angle of the suspension system assembly. If the positioning value is inaccurate, the handling performance of the vehicle will be reduced, and when the vehicle turns, the direction will be heavy and the sensitivity will be reduced.
    Solution: When you find the car running deviation and tire partial grinding phenomenon, you must promptly to a qualified repair shop for commissioning repair.
    Maintenance price: four rounds of working hours for the EFI models 160, carburetor models 140.
    Disassembly cleaning nozzle
    Symptoms: Because the gasoline will contain impurities, so these impurities may be attached to the needle in the injector. Driving will feel the engine powerless, trembling, the work of the unstable, exhaust exceeded, serious engine will not start.
    Solution: At this point you need to clean the nozzle, but also the combustion chamber and the top of the piston coke washed away. General requirements of the vehicle every 20,000 km for a cleaning.
    Maintenance price: cleaning fuel tank working hours fee of 52.8 / times, material costs 68 / bottle (650ml).
    Replace the outer cage and outer cage dust cover
    Symptom: Since the Jetta sedan is a front wheel drive and independent suspension type, the front wheel is both the drive wheel, but also the steering wheel, the outer cage and its dust cover under various stress, the use will be damaged, after damage We can see with the naked eye. Because the ball cage covered with very sticky ball oil. After the dust cover is damaged, the outer cage will soon be covered with gravel and dust. This will speed up the damage of the outer cage.
    Solution: When the outer cage failure, the owner must be promptly to the repair shop to check and replace.
    Maintenance price: replacement of ball cage working hours fee of 53 / a, material costs 440 / a. Replacement of the outer cage repair costs of 53 / a, the material fee of 76 / a.
    Replace timing belt and tensioner
    Symptoms: Jetta timing drive mechanism is a timing belt drive, the service life is relatively short, such as Jetta 5v, because in 8 to 10 million km did not replace the timing belt, belt aging, there will be belt teeth off, causing the engine piston top bad Valve.
    Solution: In order to avoid causing you a huge loss, check and replace the timing belt on time.
    Maintenance price: maintenance of the project cost 5v models for the 119, material costs 5v models for the 850 / sets. 2v model working hours cost 111 / sets, material costs 332 / sets. Carburetor model working hours fee of 80 / sets, the material cost of 108 / sets.
    Replace the valve compartment cover
    Symptom: In the harsh environment of high temperature, the gasket between the cylinder head and the valve compartment cover is easy to age, which can cause the oil to leaking outwards, causing many oil outside the engine.
    Solution: At this time you'd better go to the repair shop to replace the oil seal. When replacing the pad, it is necessary to apply a special sealant to the adhesive so that the sealing performance is longer.
    Maintenance price: maintenance of the project Jetta carburetor models working hours fee of 40 / only, material costs 49 / only. 2v model working hours fee of 66 / only, material costs 49 / only. 5v model working hours cost 79 / only, material costs 94 / only.
    Replace the arm of the lower arm
    Symptoms: Jetta under the swing arm ball head general service life of 4 to 60,000 km or so, it will directly affect the comfort and safety of the car. If your car is slow on the bumpy road, the steering wheel uploads the "slightly deng, slightly deng" abnormal sound, then there may be your car under the swing arm ball loose.
    Solution: the bottom of the arm ball damage need to be replaced in time, otherwise, at high speed in the ball and the ball out of the nest, directly endanger your life.
    Maintenance price: maintenance of the project cost of 33 / a, material costs 531 / month.
    Replace the air flow meter
    Symptoms: The Jetta sedan with a 5v EFI engine, the amount of air inhaled by the engine is measured by an air flow meter. Jetta 5v car air flow meter is particularly vulnerable to damage. After the damage, the vehicle appears to accelerate the weak, black smoke, can not go to the highest speed and so on.
    Solution: Only keep the air into the engine often less dust, in order to extend the life of the air flow meter.
    Maintenance price: replacement air flow meter working hours cost 48 / only, material costs 500 / only.