Engines Audi EA381 – AvtoTachki

Content

Pre-chamber diesels EA381
EA381 direct injection diesels
EA381 diesels for minibuses

A series of diesel engines Audi EA381 2.5 TDI was produced from 1978 to 1997 and during this time has gained a large number of models and modifications.

The Audi EA5 family of 381-cylinder diesel engines was produced from 1978 to 1997 and was installed on many concern models with a longitudinal arrangement of the power unit. Similar transverse diesel engines are referred to another line under the symbol EA153.

Contents:

Prechamber engines
Diesels with direct injection
Diesels for minibuses

Pre-chamber diesels EA381

The history of the concern's 5-cylinder diesel engines began in 1978 with the 100 model in the C2 body. It was a typical for that time 2.0-liter atmospheric pre-chamber engine with 70 hp. with cast-iron cylinder block, aluminum 10-valve head, timing belt drive. A little later, a supercharged internal combustion engine of 87 hp appeared. and a 100-horsepower engine with a turbine and an intercooler. Since these power units were created on the basis of gasoline engines of the EA828 family, at first they were assigned to this line and they received their own EA381 index later.

In addition to 2.0-liter engines, this lineup had similar 2.4-liter diesel engines:

2.0 liters (1986 cm³ 76.5 × 86.4 mm)

CN	atmospheric	70 hp	123 Nm	Audi 100 C2, 100 C3
DE	turbo KKK K24	87 hp	172 Nm	Audi 100 C2, 100 C3
NC	turbo KKK K24	100 hp	192 Nm	Audi 100 C3

2.4 liters (2370 cm³ 79.5 × 95.5 mm)

3D	atmospheric	82 hp	164 Nm	Audi 100 C3
AAS	atmospheric	82 hp	164 Nm	Audi 100 C4

EA381 direct injection diesels

In 1990, a 100-cylinder diesel engine with direct fuel injection appeared on the Audi 5 model. In addition to a different fuel system with a Bosch VP37 injection pump, he didn’t have any serious differences: here is the same cast-iron block, a 10-valve cylinder head with hydraulic compensators and a timing belt drive. Atmospheric versions are not provided, all engines were equipped with a turbocharger and an intercooler.

We know of four diesel engines in this series and all were installed on the 100 or A6 model:

2.5 TDI (2461 cm³ 81 × 95.5 mm)

AAT	turbo KKK K14	115 hp	265 Nm	Audi 100 C4, A6 C4
ABP	turbo KKK K14	115 hp	265 Nm	Audi 100 C4
1T	turbo KKK K14	120 hp	265 Nm	Audi 100 C3
AEL	turbo KKK K16	140 hp	290 Nm	Audi A6 C4

EA381 diesels for minibuses

The Audi A6 in the back of the C5 switched to V6 units and inline fives remained only on VW models. So the R5 diesel engines of the longitudinal arrangement went to the LT2 minibus of the 1997 model year. Structurally, they differed little from the Audi 2.5 TDI power units already described above. Similar transverse diesel engines are usually referred to as the EA153 series.

One naturally aspirated engine and six different turbodiesels were installed on LT2 minibuses:

2.5 SDI (2461 cm³ 81 × 95.5 mm)

AGX

atmospheric

75 hp

160 Nm

1996 – 2001

2.5 TDI (2461 cm³ 81 × 95.5 mm)

BBE	BorgWarner K14	83 hp	200 nm	2001 – 2006
APA	BorgWarner K14	90 hp	220 nm	1999 – 2003
BBF	BorgWarner K14	95 hp	240 nm	2001 – 2006
HDA	BorgWarner K14	102 hp	250 nm	1996 – 1999
ANGEL	Garrett GT2052V	109 hp	280 nm	1999 – 2006
AVR	Garrett GT2052V	109 hp	280 Nm	2003 – 2006

In 2006, an updated version of the EA381 diesel units appeared in Crafter minibuses, which was distinguished by a modern Common Rail fuel system from Bosch with piezo injectors. And the rest here is the same 5-cylinder cast-iron block, an aluminum 10-valve head equipped with hydraulic lifters, a timing belt drive and a variable geometry turbine.

In total, 4 different motors were installed on the Crafter, plus each of them had a Euro 5 modification:

2.5 TDI (2461 cm³ 81 × 95.5 mm)

BJJ	NOT TD04L	88 hp	220 nm	2006 – 2010
FATTENING	NOT TD04L	88 hp	220 nm	2010 – 2012
BJK	NOT TD04L	109 hp	280 nm	2006 – 2010
CEBB	NOT TD04L	109 hp	280 nm	2010 – 2012
Bjl	NOT TD04L	136 hp	300 nm	2006 – 2010
ECSC	NOT TD04L	136 hp	300 nm	2010 – 2012
BJM	NOT TD04L	163 hp	350 nm	2006 – 2010
CECB	NOT TD04L	163 hp	350 nm	2010 – 2012