Audi CDHA engine
Content
The 1.8-liter Audi CDHA 1.8 TFSI turbo engine was produced by the concern from 2009 to 2015 and was installed on the basic modifications of the A4 model in the B8 body, as well as Seat Exeo sedans. From 2008 to 2009, the first generation EA4 engine under the CABA index was installed on the Audi A8 B888.
The EA888 gen2 line also includes: CDAA, CDAB and CDHB.
Specifications of the Audi CDHA 1.8 TFSI engine
| Exact volume | 1798 cm³ |
| Supply system | direct injection |
| Internal combustion engine power | 120 hp |
| Torque | 230 Nm |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Bore | 82.5 mm |
| Piston stroke | 84.2 mm |
| Compression ratio | 9.6 |
| Features of the internal combustion engine | DOHC |
| Hydraulic compensator. | Yes |
| Timing drive | chain |
| Phase regulator | at the inlet |
| Turbocharging | LOL K03 |
| What kind of oil to pour | 4.6 liters 5W-30 |
| fuel type | AI-98 |
| Ecologist. class | EURO 5 |
| Approximate resource | 270 000 km |
The catalog weight of the CDHA engine is 144 kg
The CDHA engine number is located at the junction with the gearbox
Fuel consumption ICE Audi CDHA
On the example of the Audi A4 1.8 TFSI 2014 with manual transmission:
| City | 8.6 liters |
| Track | 5.3 liters |
| Mixed | 6.5 liters |
Which cars were equipped with a CDHA 1.8 TFSI engine
| A4 B8 (8K) | 2009 – 2015 |
| Exeo1 (3R) | 2010 – 2013 |
Disadvantages, breakdowns and problems of the CDHA internal combustion engine
The most famous problem of this turbo engine is high oil consumption.
The manufacturer has released several piston options and replacement often helps.
Due to the oil burner, the valves quickly become overgrown with soot and the engine begins to fever
The timing chain is a modest resource here, sometimes it stretches to 150 km
The weak points of the unit also include ignition coils, water pump, high pressure fuel pump
