4.1.1. General information

Specifications

Engine (general information)

Designations:

Value

The engine of 1985 cm 3 (without balancing shaft)
B202
The engine of 1985 cm 3 (with balancing shaft)

B204
The engine of 2290 cm 3 (with balancing shaft)
B234
Diameter of cylinders
90.00 mm

Piston stroke:

Engine of 1985 cm 3
78.00 mm
Engine of 2290 cm 3
90.00 mm
Direction of rotation of the crankshaft
Clockwise (looking on the right side of the car)
Position of the cylinder No. 1
The next
to a distributive chain

Extent of compression:

Models till 1993 of the issue:

B202i and B202 Kat.
10:1
B202 of Turbo and B202 of Turbo Kat.
9:1
B234i
10:1
B234L and B234 R
8.5:1
B202S
9.0:1

Models since 1994 of the issue:

B204i
10:1
B204S
8.8:1
B204L
9.2:1
B234i
10.5:1
B234E, B234LM, B234LA and B234R
9.25:1

Maximum power / torque:

Models till 1993 of the issue:

B202i and B202i Kat.
125 - 135 h.p. (93 - 101 kW) / 170-173 Nanometers
B202 of Turbo of B202 of Turbo Kat.
160 - 175 h.p. (119-131 kW) / 250-270 Nanometers
B202S, B234i
150 h.p. (112 kW) / 212-215 Nanometers
B234L (1991-1993) 200 h.p.
(149 kW) / 330 Nanometers (manual transmission) or
300 Nanometer (automatic transmission)
B234R
225 h.p. (168 kW) / 350 Nanometers

Models since 1994 of the issue:

B204i
130 h.p. (97 kW) / 177 Nanometers
B204S
150 h.p. (112 kW) / 210 Nanometers
B204L
185 h.p. (138 kW) / 283 Nanometers
B234i
146 h.p. (109 kW) / 205 Nanometers
B234E
170 h.p. (127 kW) / 260 Nanometers
B234LM (manual KP) and B234LA
(automatic KP)
200 h.p. (149 kW) / 323 Nanometers (manual transmission) or 294 Nanometers (automatic transmission)
B234R
225 h.p. (168 kW) / 342 Nanometers

Turbo - with a turbocompressor, Kat. - with the catalytic converter

Engine codes

Characteristic

Value

In
petrol engine
L
the engine with system of a turbo-supercharging with preliminary cooling of air, output power 1
R
the engine with system of a turbo-supercharging with preliminary air coolings, output power 2
S
the engine with system of a turbo-supercharging
E
the engine with system of a turbo-supercharging, with preliminary cooling of air, a turbo-supercharging of weak pressure
LM
the specification L, models with the manual transmission
LA
specifications A with automatic transmission
* On models till 1993 of the issue the code of the engine settles down on the left back wall of the block of cylinders, and on models since 1994 of the issue - on the left forward wall of the block of cylinders. The code is stamped directly on a wall of the block of cylinders.

Cam-shafts

Characteristic

Value

Drive
Chain from the crankshaft
Number of bearings
5 on each cam-shaft
Diameter of a neck of the bearing of a cam-shaft (external diameter)
28.922-28.935 mm

Longitudinal side play:

Models till 1993 of the issue.
0.14-0.35 mm
Models since 1994 of the issue.
0.08-0.35 mm

Lubrication system

Characteristic

Value

Type of the oil pump
Two-rotor with the drive from the crankshaft
Minimum pressure of oil
at a temperature of 80 °C
2.7 bar at 2000 rpm
Pressure of operation of an alarm lamp
oil pressure
0.3-0.5 bar
Gap between an external rotor of the oil pump and a cover of a casing of a distributive chain
0.03-0.08 mm

The thermostat of a cooler of oil opens at:

B202
90 °C
B234 till 1993 of the issue.
75 °C
B204 and B234 since 1994 of the issue of 107 °C

Efforts of tightening of threaded connections, Nanometer

Driving disk of automatic transmission:

Nanometer

Models till 1990 of the issue (a head of 17 mm)
60
Models from 1991 to 1993 the issue (a head of 19 mm)
85
Models since 1994 of the issue.
95
Tension roller of a chain of a balancing shaft
25
Asterisk of a balancing shaft
42

Nuts of covers of bearings of the lower head of a rod:

B202/234 engines
55
B234 engines
48
Covers of bearings of a cam-shaft
15
Cam-shaft asterisk
63

Crankshaft pulley bolt:

Models from 1985 to 1990 the issue.
190
Models since 1991 of the issue.
175

Bolts of a head of cylinders:

1st stage
60
2nd stage
80
3rd stage
To hold on for 90 °
Cover of a head of cylinders
15
Drain stopper of motive oil
25
Bolts of fastening of transmission to the engine
70

Flywheel:

Models till 1993 вып (a head of 17 mm)
60
Models till 1993 of the issue (a head of 19 mm)
85
Models since 1994 of the issue.
80
Bolts of covers of radical bearings
110
Unions of hoses of the cooling system of oil
18
The oil pump on B202 engines
(except through bolts)
8
Oil pump of B202 engines (through bolts)
Similar to bolts of fastening of a cover of a distributive chain

Nozzles of cooling of pistons:

Models till 1993 of the issue.
23

Models since 1994 of the issue.
18
Stopper of a natyazhitel of a chain of a cam-shaft
22
Oil cooler thermostat cover
60
Cap of the reducing valve of pressure of oil
30
Case pallet bolts
22
Case of a natyazhitel of a distributive chain
63
Stopper of a spring of a natyazhitel of a distributive chain (model since 1989 of the issue)
22

Bolts of a cover of a distributive chain:

Models till 1993 of the issue.
20
Models since 1994 of the issue.
25