6. Repair of the diesel engine installed in the car

Technical characteristic

Engine code:
– 4-cylinder engine of 2,0 l
601,912
– 5-cylinder engine of 2,5 l:
   • without turbo-supercharging
602,912
   • with a turbo-supercharging
602,962
– 6-cylinder engine of 3,0 l:
   • without turbo-supercharging
603,912
   • with a turbo-supercharging
603,960, 603,962 or 603,963
Working volume:
– engine of 2,0 l
1997 cm3
– engine of 2,5 l
2497 cm3
– engine of 3,0 l
2996 cm3
Diameter of cylinders
87,0 mm
Piston stroke
84,0 mm
Direction of rotation of a bent shaft of the engine
Clockwise, if to look from a forward part of the car
Arrangement of the cylinder No. 1
From a driving chain
Operating procedure of cylinders:
– engine of 2,0 l
1 – 3 – 4 – 2
– engine of 2,5 l
1 – 2 – 4 – 5 – 3
– engine of 3,0 l
1 – 5 – 3 – 6 – 2 – 4
Compression pressure:
– minimum admissible
18,0 bars
– the maximum difference between two any cylinders
3,0 bars
Extent of compression
22,0: 1

Camshaft

Axial side play:
– nominal
0,030 – 0,100 mm
– maximum permissible
0,150 mm
Working gap of bearings of the camshaft:
– nominal
0,050 – 0,091 mm
– maximum permissible
0,150 mm
The maximum gap between a cam of the camshaft and a pusher of the valve
0,40 mm

The most admissible length of bolts of fastening of a head of the block of cylinders


Bolt of M10 x 80
83,6 mm
Bolts of M10 x 102
105,6 mm
Bolts of M10 x 115
118,6 mm

Lubrication system

The minimum pressure of oil created by the oil pump:
– on idling turns
0,3 bars
– at 3 000 rpm
3,0 bars

Bolts of fastening of a flywheel / plate of the drive

Minimum diameter
8,0 mm
Maximum length
22,5 mm

Tightening moments

Bolts of fastening of a cover of a head of the block of cylinders
10 Nanometer
Bolts of fastening of a pulley of a bent shaft / quencher of tortional fluctuations to a nave
25 Nanometer
Bolt of fastening of a nave to a bent shaft:
– a bolt with dish-shaped washers
320 Nanometer
– a bolt with a conic washer:
   • stage 1
200 Nanometer
   • stage 2
To tighten on a corner 90 °
Bolts of fastening of a cover of a driving chain:
– M6 bolts
10 Nanometer
– M8 bolts
25 Nanometer
Bolts of fastening of a pulley of the fan of a radiator:
– a bolt with a six-sided head
10 Nanometer
– face bolt
14 Nanometer
Bolt of fastening of the mechanism of a tension of an auxiliary driving belt
10 Nanometer
Hinged finger of the mechanism of a tension of an auxiliary driving belt
100 Nanometer
Bolt of fastening of an intermediate pulley of an auxiliary driving belt
25 Nanometer
Bolts of fastening of a rack of the shock-absorber of the mechanism of a tension of an auxiliary driving belt:
– top bolt
25 Nanometer
– lower bolt
20 Nanometer
Bolts of fastening of the pump of system of the self-leveled back suspension bracket:
– a bolt with a six-sided head
25 Nanometer
– the combined bolt:
   • stage 1
25 Nanometer
   • stage 2
To tighten on a corner 90 °
Bolt of fastening of an asterisk of the camshaft:
– M10 bolt
65 Nanometer
– M11 bolt:
   • stage 1
25 Nanometer
   • stage 2
To tighten on a corner 90 °
Fastening of a stopper to the case of the mechanism of a tension of a driving chain
40 Nanometer
Fastening of the case of the mechanism of a tension of a driving chain to the block of cylinders
80 Nanometer
Bolts of fastening of covers of bearings of the camshaft
25 Nanometer
Bolts of fastening of a cover of a driving chain to a head of the block of cylinders
25 Nanometer
Bolts of fastening of the fuel filter
25 Nanometer
Bolts of fastening of a head of the block of cylinders:
– stage 1
15 Nanometer
– stage 2
35 Nanometer
– stage 3
To tighten on a corner 90 °
– stage 4
To sustain a pause 10 minutes
– stage 5
To tighten on a corner 90 °
Bolts of fastening of the transmission to the engine:
– mechanical transmission:
   • bolts of M10 x 40
55 Nanometer
   • bolts of M10 x 90
45 Nanometer
– automatic transmission:
   • M10 bolts
55 Nanometer
   • M12 bolts
65 Nanometer
Bolts of fastening of an additional part of the oil pallet
10 Nanometer
Bolts of fastening of the oil pallet:
– M6 bolts
10 Nanometer
– M8 bolts
25 Nanometer
Masloslivny stopper:
– M12 bolts
30 Nanometer
– M14 bolts
25 Nanometer
Stopper of the safety valve of pressure of oil
50 Nanometer
Bolt of fastening of an asterisk of the oil pump
32 Nanometer
Bolts of fastening of the oil pump
25 Nanometer
Bolts of fastening of a masloulavlivayushchy plate
25 Nanometer
Bolts of fastening of a flywheel / plate of the drive:
– stage 1:
   • standard flywheel
30 Nanometer
   • a flywheel with the doubled weight
40 Nanometer
– stage 2
To tighten on a corner 90 – 100 °
Bolts of fastening of a back cover of a bent shaft
10 Nanometer
Bolts of fastening of an arm of a support of the power unit
55 Nanometer
Bolts of fastening of a support of the power unit to a cross-piece
40 Nanometer
Bolts of fastening of an arm of a support of the power unit to the engine
25 Nanometer
Nuts of fastening of covers of conrod bearings:
– stage 1:
   • models till November, 1990
30 Nanometer
   • models since December, 1990
40 Nanometer
– stage 2
To tighten on a corner 90 – 100 °
Bolts of fastening of covers of radical bearings:
– M11 bolts:
   • stage 1
55 Nanometer
   • stage 2
To tighten on a corner 90 – 100 °
– M12 bolts
90 Nanometer
Stopper of discharge of cooling liquid from the block of cylinders of the engine
30 Nanometer