Today we will talk about replacing the timing chain with Volkswagen Tiguan , the car is equipped with a 1.4 TSI engine, gasoline. Pretty common motor. The car is 5 for the fifth year, but the mileage is already very decent, 139 thousand kilometers. timing chain on Volkswagen Tiguan will change for the second time.

Customer of the Pobeda car center for timing chain replacement Bought original parts. We simply do not recommend buying others. After replacing the timing chain, it is desirable to change and engine oil. We will carry out this procedure immediately after timing chain replacement, after a couple of thousand kilometers - scheduled maintenance.

Volkswagen Tiguan When to change the timing chain

First, we will answer a simple question, when is it necessary timing chain replacement? According to the regulations, on the 1.4 TSI engine, the chain changes once every 80 thousand kilometers. Based on our experience, we can say with confidence that the timing chain stretches with a run of only 50 thousand kilometers. The question is, how stretched is the chain? You can check its status using computer diagnostics. If the angle of tension is more than 6 degrees, immediate repair is necessary. timing chain change. A break will lead to the most sad consequences. Bent valves, overhaul engine. An experienced mechanic at the Pobeda auto center will take about 8 hours to replace the timing chain.

Volkswagen Tiguan What you need to replace the timing chain

Often, many motorists are surprised why the list of spare parts for timing chain replacement is not limited to a chain, but consists of 10-15 items? Let's answer this question too. Firstly, when replacing the timing chain, you need to “open” the motor. All gaskets are disposable, it is simply impossible to put them a second time. Therefore, we need a timing chain cover gasket and a phase adjustment sensor gasket. The crankshaft seal is also to be replaced. A set of screws, you definitely need screws for fixing the cover timing and the crankshaft pulley bolt. As for the timing chain itself, of course, we need a new chain, chain tensioner, tensioner shoe, it is advisable to replace the chain damper strips, two pieces. As you can see, the matter is not limited to buying only one chain.

Volkswagen Tiguan How to change the timing chain

Work on replacing the timing chain on a 1.4 TSI engine(CAVA - 150 HP) for Volkswagen car Tiguan

We remove protection.

We remove the plastic protective casing from the valve cover, fastened with four bolts.

Removing the protective cover.

Removing the plastic inlet pipe.

We unscrew the bolts of the camshaft plugs, for further convenience of installing the shaft retainer.

Remove the coolant reservoir and set it aside, also remove the absorber.

We hang the engine on the traverse.

Removing the engine mount.

Unscrew the fender liner.

We fix with a hairpin tension roller and remove the belt.

Removing the pump pulley.

Remove the water pump pulley.

Removing the roller.

We unscrew the generator and air conditioning compressor.

Removing the engine side cover.

We set the TDC and insert the shaft lock.

We unscrew part of the intake pipe after the catalyst and remove the pan.

Remove tensioner and chain guides.

We remove the chain.

We screw the crankshaft stopper, which will allow further tightening of the crankshaft pulley.

Installing a new chain.

We clean the surface of the cover, degrease it, install new rubber seals and engine gasket.

We install the cover, tighten all the bolts with a torque wrench.

Install the rollers and tighten the crankshaft pulley.

We install the pan on the sealant, fasten it and stretch the screws crosswise, fasten the exhaust pipe.

Install the engine mount.

We remove the traverse, fasten expansion tank, remove the shaft lock and fasten the shaft plugs.

Installing crankcase protection.

Spare parts suitable for this work

The gas distribution mechanism is a closed circuit. Its purpose is to synchronize the operation of the distribution and crankshaft. The chain is made up of metal links. There are chains with and without locks. Here we will talk about replacing the timing chain with a Volkswagen Tiguan 1.4. The replacement of this unit takes place in accordance with the manufacturer's regulations - after 50,000-80,000 kilometers (according to various sources). However, in some cases, an earlier replacement is also possible. In any case, it is necessary to diagnose the condition of this node once a year.

Replacement will be simply necessary if the following defects are found:

• when the mechanism is started, a characteristic metallic clanging appears;
• extraneous noises are observed during engine operation;
• the car does not start for a long time;
• the engine is extremely unstable.

On the cars all brands have a single-row metal chain. During operation, it may well stretch, and a chain break is also possible, but this happens extremely rarely. If the chain is stretched, the engine will run unevenly. In this case, the replacement of this node will be necessary. But what factors can affect the state of the circuit:

• low-quality engine oil;
• insufficient oil level;
• long-term movement at high speeds;
• permanent transportation of weights or trailers;
• long standing in traffic jams.

Don't underestimate the importance of quality oil. Also, its level should be sufficient. The timing chain needs constant lubrication. This is done through special nozzles. The motor will immediately feel a decrease in pressure if the oil level reaches a minimum. Bad oil, its insufficient level - all this contributes to the slow running of the timing chain, but most importantly, this can cause the links to skew. In this case, in order to avoid more serious consequences, the chain simply needs to be replaced. And if we talk about Tiguans, then their chain stretches through 50,000 km.

Replacement process

The procedure should be as follows: first remove the upper casing from the engine and air filter. We drain the antifreeze. Do not forget to prepare a special container for this. Now we remove the plugs from the camshafts, after unscrewing the bolts of their fastening. We turn the crankshaft to the right. In this case, the holes on the camshafts must be in the position indicated in the figure below:

You may need to turn the crankshaft 1 more revolution after that. Now you need to insert the camshaft retainer into the special hole in the camshaft. In this case, the label should be on top.

To fix the latch, it is necessary to screw in the M6 ​​bolt. You don't need to tighten it. Then the upper timing case should be dismantled. The cover, marked in the figure with the number 1, is removed from the oil supply pump.

Now we need to fix the tensioner, for which we should press the tensioner bar in the direction indicated by the arrow.

Now we need to unscrew the bolt, indicated below by the number 1. To do this, the asterisk must be held with a special key.

Now you need to remove the sprocket 1. But first, to do this, you will have to unscrew its mounting bolt. After that, the timing chain itself is removed. You can check how long the old chain has stretched by applying it to the new one. Starting the installation of a new chain, you should make sure that the crankshaft is at the highest point. We plant an asterisk. When doing this, remember that the protrusion (2) on the sprocket must fit into the groove on the crankshaft (3).

Now we take a marker and mark the location of the sprocket and crankshaft in relation to the cylinders. We put a chain on the stars. All other components should be assembled in the reverse order of disassembly.

Although you can’t call this operation too simple, everyone, even a not very trained motorist, can handle it. Here it is important to monitor the coincidence of labels and follow the instructions exactly without violating the procedure. Of course, if you do not have confidence in your abilities, then in this case it is better to contact specialists who will perform this work professionally.

Replacement video

Engine 1.4 TSI Volkswagen-Audi

Characteristics of CAXA engines

Reliability, problems and engine repair 1.4 TSI Volkswagen-Audi EA111

A series of low-volume EA111 turbo engines (1.2 TSI, 1.4 TSI) became widespread in 2005, thanks to the popular Golf 5 and the Jetta sedan. The main and at first the only engine was 1.4 TSI in its various modifications, which was designed to replace the atmospheric 2.0 liter fours and 1.6 FSI.
At the core power unit lies a cast-iron cylinder block covered with an aluminum 16 valve head with two camshafts, with hydraulic compensators, with a phase shifter on the intake shaft and with direct injection. The timing drive uses a chain with a service life designed for the entire period of operation of the motor, but in reality, the timing chain needs to be replaced after 50-100 thousand km. Let's move on to the most important, and the most important in TSI engines this is, of course, a hoax. Weak versions are equipped with a conventional TD025 turbocharger, more powerful 1.4 TSI Twinchargers and work according to the Eaton TVS compressor + KKK K03 turbocharger, which virtually eliminates the turbo lag effect and provides significantly more power.

Despite all the manufacturability and advancement of the EA111 series (the 1.4 TSI engine is a multiple winner of the Engine of the Year competition), in 2015 it was replaced by an even more advanced EA211 series with a new, seriously modified 1.4 TSI engine.

Engine modifications 1.4 TSI

1. BLG (2005 - 2009) - an engine with a compressor and a turbocharger that blows 1.35 bar and the engine develops 170 hp. on 98 gasoline. The engine is equipped with an air intercooler, complies with the Euro-4 environmental standard, and controls the entire Bosch Motronic MED 9.5.10 ECU.
2. BMY (2006 - 2010) - an analogue of BLG, where the boost was reduced to 0.8 bar, and the power dropped to 140 hp. Here you can get by with 95-m gasoline.
3. BWK (2007 - 2008) - Tiguan version with 150 hp
4. CAXA (2007 - 2015) - 1.4 TSI engine 122 hpIt is simpler in all components than a compressor with a turbine. The turbine on the CAXA is a Mitsubishi TD025 (which is smaller than the Twincharger) with maximum pressure up to 0.8 bar, which quickly reaches the boost and allows you to abandon the compressor. In addition, there are modified pistons, an intake manifold without flaps and with a liquid intercooler, a head with flatter intake ports, modified camshafts, simpler exhaust valves, redesigned injectors, Bosch Motronic MED 17.5.20 ECU. The motor complies with Euro-4 standards.
5. CAXC (2007 - 2015) - an analogue of SAHA, but programmatically increased the power to 125 hp.
6. CFBA - engine for the Chinese market, in combination it is the most powerful version with a single turbine - 134 hp.
7. CAVA (2008 - 2014) - an analogue of BWK for Euro-5.
8. CAVB (2008 - 2015) - analogue of BLG for Euro-5.
8. CAVC (2008 - 2015) - BMY engine for Euro-5 standard.
9. CAVD (2008 - 2015) - CAVC motor with firmware for 160 hp Boost pressure 1.2 bar.
10. CAVE (2009 - 2012) - engine with firmware for 180 hp for Polo GTI, Fabia RS and Ibiza Cupra. Boost pressure 1.5 bar.
11. CAVF (2009 - 2013) - version for Ibiza FR with 150 hp
12. CAVG (2010 - 2011) - the top option among all 1.4 TSI 185 hp Stands on Audi A1
12. CDGA (2009 - 2014) - version for gas operation, power 150 hp
13. CTHA (2012-2015) - analogue of CAVA with other pistons, chain and tensioner. Environmental class remained Euro-5.
14. CTHB (2012 - 2015) - an analogue of CTHA with a capacity of 170 hp.
15. CTHC (2012 - 2015) - the same CTHA, but stitched under 140 hp
16. CTHD (2010 - 2015) - engine with firmware for 160 hp
17. CTHE (2010 - 2014) - one of the most powerful versions with 180 hp.
18. CTHF (2011 - 2015) - 150 hp engine for Ibiza FR
19. CTHG (2011 - 2015) - the engine that replaced the CAVG, the power is the same - 185 hp

Problems and disadvantages of 1.4 TSI engines

1. Stretching the timing chain, problems with the tensioner. The most common drawback is 1.4 TSI, which appears with runs from 40-100 thousand km. Crack in his engine typical symptom, when such a sound accompaniment appears, it is worth going to replace the timing chain. To avoid a recurrence, do not leave the car on a slope in gear.
2. Doesn't drive. In this case, the problem most likely lies in the turbocharger bypass valve or turbine control valve, check and everything will work out.
3. Troit, vibration on cold. A feature of the operation of 1.4 TSI engines, after warming up, these symptoms disappear.
In addition, VW-Audi TSI engines warm up for a long time and like to eat a little quality oil but the problem is not so critical. With timely maintenance, use quality gasoline, quiet operation and normal attitude to the turbine (after driving, let it run for 1-2 minutes), the motor will leave for quite a long time, the resource Volkswagen engine 1.4 TSI is over 200,000 km.

Volkswagen 1.4 TSI engine tuning

Chip tuning

The simplest and most reliable option for increasing power on these motors is chip tuning. Conventional Stage 1 chip on 1.4 TSI 122 hp or 125 hp able to turn it into a 150-160 horsepower motor with a torque of 260 Nm. At the same time, the resource will not change critically - a good urban option. With a downpipe, you can get another 10 hp.
On engines Twincharger, the situation is more interesting, here Stage 1 firmware can increase the power to 200-210 hp, while the torque will increase to 300 Nm. You can not stop there and go further by making a standard Stage 2: chip + downpipe. Such a kitwill give you about 230 hp. and 320 Nm of torque, these will be relatively reliable and driving forces.It doesn’t make sense to climb further - reliability will sag significantly, and it’s easier to buy 2.0 TSI, which will immediately give 300 hp.