Audi A4 B8

The fourth-generation Audi A4 was introduced in late 2007, and in 2008 it began mass production. In 2012, the model underwent restyling, and in 2015 there was a change of generations.

Engines

In the arsenal of the “four” a large set of various engines: 1. 8 TFSI (120 and 160 hp), 2. 0 TFSI (211 hp), 3. 2 FSI (265 hp), 2. 0 TDI (120, 143 and 170 hp), 2. 7 TDI (190 hp) and 3. 0 TDI (240 hp). The most common turbo engines are the 1.8 TSI and 2.0 TSI, and with them the problems that undermine the reputation of VAG engines. The most common trouble of “inflated” engines is an increased oil consumption, sometimes reaching 1-1.5 liters per 1000 km. Unhealthy appetite increased to 20-40 thousand km. The reason for the “maslozhor”: the unsuccessful design of pistons and rings. Authorized services recognized the problem after the control measurement, if the oil consumption exceeded 0.5-0.6 liters per 1000 km. In this case, the piston group was replaced. As a rule, after repairs, the appetite of the engine returned to normal. Those who have not looked into the service, over time have to change defective parts at their own expense - from 40 000 rubles. Engines with a modified piston group began to go off the assembly line from the 22nd week of 2011 (i.e. from May 2011). But they, no, no, and begin to eat up the oil after 100,000 km. In June 2013, the upgraded gen. 3 turbo engines, in particular the CJEB and CNCD, were installed. They're not suffering from fatty acids anymore. To contribute to increased oil consumption can and the oil separator - due to rupture of the membrane or jamming of the valve (cleaning briefly revives the oil separator). The cost of a new node at dealers is about 8 000 rubles, in ordinary auto parts stores - about 4 000 rubles. In upgraded turbo engines, the gen. 3 often fails the thermostat.

Transmission

In a pair of engines offered 6-speed “mechanics”, a stepless Multitronic variator, the classic “automatic” Tiptronic (all-wheel drive versions with 3.0 TDI and 3.2 FSI) and 7-speed robot S-tronic (all-wheel drive with 2.0 TFSI).

The manual and automatic transmissions are the most reliable on the list. The variator is considered more reliable than on its predecessor, but sometimes there are calls to the service when mileage is more than 80-100 thousand km. Most often, you have to complain about tremors that are almost impossible to eliminate.

The most capricious was the robotic transmission. Common complaints: twitching and hard switching. The problem was aggravated by 40-60 thousand km. Dealers made flashing the ECU box and changed the clutch, and in the case of repeated treatment, the mechatronics were changed (about 30 thousand rubles). At the end of 2013, the problem node was finalized.

All-wheel drive versions are distinguished by a reliable transmission. There are no systematic complaints about the work of all-wheel drive.

After 200-250 thousand km, you may need to replace a two-mass flywheel (starts rattling or knocking), the cost of which is about 30 000 rubles, and replacement work is about 6 000 rubles. Clutch serves more than 200-250 thousand km (from 15 000 rubles per set).

Walking

With the arrival of cold weather when passing irregularities from behind, knocks begin to sound from time to time. The source is depreciation racks, which often begin to leak already when running more than 30 thousand km. The suspension levers are capable of overcoming the line in 100-120 thousand km. But it was not without a lousy sheep: the front lower levers have to be sentenced to replacement after 50-80 thousand km due to the wear of the ball support.

Front stage bearings are often surrendered when running 50-80 thousand km. Original bearings in official services are available for 6 thousand rubles, on the side - for 3-4 thousand rubles. The cost of work on their replacement is about 1.5-2 thousand rubles. After 60-80 thousand km, an anther rupture of the external "garnets" of the SRUS is often detected. The cost of the anther is about 700 rubles, and the replacement works are about 1-1.5 thousand rubles.

Sometimes there is a leakage of the steering rack. There are often cases of knocking into the racks after getting into a deep pothole at high speed. The cost of a new rake is about 60-70 thousand rubles.

After restyling, rails began to be installed with a built-in electric amplifier. The amplifier often refused after 20-60 thousand km - often in frosts. In rare cases, owners managed to get rid of software updates. VAG ordered to change the steering rack in the assembly. The cost of such a procedure at official dealers is 200 000 rubles! The rebuilt rack can be purchased for 30,000 steering wheels, but it sometimes fails after six months. The original node on the side is available for 120,000 rubles. Unfortunately, few people still know how to bring the Reiki to their senses.

Body and salon

Some Audi A4 owners were puzzled by the flaking of paint on the front fenders along the edge of the arches on 2008-2010 cars. There are few such cases - there may have been a manufacturing defect (marriage during painting).

Most surprising is the front optics, which works like a vacuum cleaner: the presence of dust and dirt inside is a common phenomenon. It penetrates there through ventilation tubes, the filters of which do not cope with their task. Folk remedy: a piece of foam in a tube. There is also a clouding of optics and fog lamps. When running more than 40-80 thousand km may cease to function motor lock of the gas tank hatch.

Screams in the Audi salon are not often observed. Troublemakers can live in the back shelf or the lining of doors.

The Audi A4 of 2008-2009 eventually starts to dimly burn the display MMI. Cause: CCFL light bulb burnout. When running more than 100,000 km, there are problems with the heater engine (about 10 thousand rubles). Sometimes the driver's door lock fails, and in winter the Keyless keyless access system often "glues".

Engines

• 0 TSI, and with them the problems that undermine the reputation of VAG engines.
• Authorized services recognized the problem after the control measurement, if the oil consumption exceeded 0.5-0.6 liters per 1000 km.
• In this case, the piston group was replaced.
• As a rule, after repairs, the appetite of the engine returned to normal.
• In upgraded turbo engines, the gen. 3 often fails the thermostat.
• Most often, it is he who becomes the source of problems - clinitis or opens early.
• Another serious, but less common malfunction is a jump of the timing system chain on one or more links.
• To prevent possible problems, the manufacturer conducted a campaign No. 15D6 to replace defective nodes.

Transmission

• Common complaints: twitching and hard switching. The problem was aggravated by 40-60 thousand km.
• At the end of 2013, the problem node was finalized.
• You may need to replace a two-mass flywheel (starts rattling or knocking), the cost of which is about 30 000 rubles, and work on replacement - about 6 000 rubles. Clutch serves more than 200-250 thousand km (from 15 000 rubles per set).

Walking

• With the arrival of cold weather when passing irregularities from behind, knocks begin to sound from time to time.
• But it was not without a lousy sheep: the front lower levers have to be sentenced to replacement after 50-80 thousand km due to the wear of the ball support.
• There are often cases of knocking into the racks after getting into a deep pothole at high speed. The cost of a new rake is about 60-70 thousand rubles.
• The amplifier often refused after 20-60 thousand km - often in frosts.
• The rebuilt rack can be purchased for 30,000 steering wheels, but it sometimes fails after six months.

Body and salon

• When running more than 100,000 km, there are problems with the heater engine (about 10 thousand rubles).
• Sometimes the driver's door lock fails, and in winter the Keyless keyless access system often "glues".

Let's summarize. The Audi A4 B8, like most VAG models, was eliminated. Reputation was significantly tarnished by the TSI series engines, the S-tronic robotic box and weak suspension elements.

• Engines: 0 TSI, and with them the problems that undermine the reputation of VAG engines.
• Transmission: Common complaints: tugging and hard switching. The problem was aggravated by 40-60 thousand km.
• Walking: With the arrival of cold weather when passing irregularities from behind, knocks begin to sound from time to time.
• Body and cabin: When running more than 100,000 km, there are problems with the heater engine (about 10 thousand rubles).

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