1.6 HDI engine - does it guarantee low fuel consumption? What disadvantages does he face?

Finding a good diesel among the units currently produced can be difficult. The French idea and the 1.6 HDI engine, which has been put on many cars not only of the PSA concern for years, live up to expectations. Of course, it is not without flaws, but by all accounts it is considered a very good design. After reading the article, you will find out what are the weaknesses of the HDI 1.6 engine, how to deal with typical repairs and why this particular unit is rated so highly.

1.6 HDI engine - design reviews

Why is the HDI 1.6 engine getting such good reviews? First of all, this is a unit that burns little fuel with very good performance for such power. It is available in various power options from 75 to 112 hp. It has been successfully used by many drivers since 2002 and has received very good reviews from the very beginning.

User satisfaction is due not only to low fuel consumption, but also to durability and relatively low cost of parts. They are also available without problems, due to the unflagging popularity of cars with this engine in the secondary market. The 1.6 HDI design also owes its popularity to the wide range of brands that have it in their ranks. These include Citroen, Peugeot, Ford, BMW, Mazda and Volvo.

1.6 HDI engines - design options

In principle, the most accurate division of these units can be made by distinguishing the design of the head. The PSA concern began production in 2002 with the installation of a 16-valve cylinder head. Popular HDI Engine diesel it is equipped with a turbocharger without variable geometry, without a dual-mass flywheel and a diesel particulate filter. This is valuable information for all drivers who are afraid to use a car with such components.

Since 2010, 8-valve versions with an additional DPF filter began to appear on the market, which were used in models such as the Volvo S80. All designs, without exception, both 16- and 8-valve, use the system to power the unit Common Rail.

What is the lifespan of a 1.6 HDI engine?

This is another argument in favor of the durability of the 1.6 HDI design.. With skillful driving and regular oil change intervals, 300 kilometers is not a serious problem for this unit. 1.6 HDI engines can live without serious problems and more, but this requires common sense and skillful handling of the car.

The installation of very good quality Bosch solenoid injectors is of great importance for the low operating costs of this unit. before the purchase check vin numberto be sure of the exact specification of your model. Some of them also had Siemens power systems installed. They don't get as good reviews as Bosch.

1.6 HDI and cost of spare parts

We have already said that there are many replacements for these motors. However, this does not mean that their prices are affordable. However, in this case, it can be said that the costs associated with the replacement of individual components are relatively low. As you have already noticed, 1.6 HDI engines are equipped with a Common Rail system, however, in this case, injector regeneration is possible. Even the replacement of the element is not too expensive, because one nozzle does not cost more than 100 euros.

Timing 1.6 HDI 

Another thing that interests a large group of users is Timing 1.6 hdi. The 16-valve version uses a belt and chain at the same time, while the 8-valve version has only a toothed belt installed at the factory. Such a solution and a simple design of the timing drive make the cost of the part about 400-50 euros. 

Replacing and adjusting the timing 1.6 HDI

Only the parts for 1.6 HDI needed to replace the timing drive cost a few hundred PLN. The manufacturer recommends a replacement every 240 km, but in practice it is not worth exceeding 180 km with a quiet ride. Some drivers cut the interval by as much as half. Timing belt wear is affected not only by driving style and total mileage, but also by time. The strap is largely made of rubber, and this one loses its properties under the influence of temperature changes and old age.

How is the timing belt replaced on 1.6 HDI? 

substantially timing belt replacement on the HDI 1.6 engine is quite simple and with some skills, tools and space you can perform this service yourself. The key is to lock the sprocket on the camshaft and the pulley on the shaft. Here's a hint - the camshaft pulley has a hole that should match the cutout in the engine block, and the pulley on the shaft is fixed with a pin at the 12 o'clock position.

After installing the water pump and replacing the tensioner and rollers, you can proceed to install the belt. Start at the shaft and move from the right side of the gear to the shaft sprocket. After you put this part on, you can fix the belt with a plastic lock on the main shaft. After installing the entire belt, you can remove the factory lock from the tensioner.

V-belt replacementego 1.6 hdi

v-belt in 1.6 HDI you can replace it in no time unless you need to replace the tensioner, roller and pulleys. First, unscrew the tensioner bolt and remove the belt. Then make sure that the rotating elements have no play and do not make unwanted noise. The next thing is to put on a new belt. Don't forget to pull out the tensioner bolt at the same time, otherwise you won't be able to do it. ремонт. Tighten the screw and you're done!

Valve cover 1.6 HDI and its replacement

The lid itself does not fail for no reason. It is most often removedif one of the valve controls is damaged. The disassembly itself is extremely simple, because the valve cover is held on by several screws. First, we unscrew the pipe from the air filter to the turbine, disconnect the pneumothorax and unscrew all the fastening screws one by one. You can hardly go wrong by installing a new gasket under the cover, because it has asymmetrical cutouts.

Fuel pressure sensor 1.6 HDI

A damaged 1.6 HDI fuel pressure sensor emits a strong smell of unburned fuel. A sign of a malfunction is also a decrease in power. Don't expect to see additional control panel messages. You can connect it to be sure car under the diagnostic computer and see what error pops up.

As you can see, the 1.6 HDI engine is not only durable, but also relatively easy to repair and maintain. If you are the owner of such a model, we wish you a happy journey!