4.4. Diesel engines 16D and 16DA
| Engine type |
The four-cylinder, four-cycle engine, with one camshaft of the top arrangement, not direct injection and compression ignition
|
| Marking: | |
| – till 1985 |
16D
|
| – since 1986 |
16DA
|
| Diameter of the cylinder |
80,00 mm
|
| Piston stroke |
79,50 mm
|
| Volume |
1598 cm3
|
| Sequence of operation of cylinders |
1–3–4–2 (the cylinder No. 1 is located from a pulley)
|
| Extent of compression |
23: 1
|
| Maximum torque: | |
| – 16D |
96 Nanometer at 2400 rpm
|
| – 16DA |
95 Nanometer at 2400 rpm
|
Gear belt
| Belt tension (it is measured by means of the KM-510-A tool): | |
| – the new belt, the engine is warmed |
9,0
|
| – new belt, engine cold |
6,5
|
| – the used belt, the engine is warmed |
8,0
|
| – the used belt, the engine cold |
4,0
|
Head of the block of cylinders
| Determination of thickness of laying: | |
| – a piston ledge to 0,75 mm: | |
| • thickness |
1,3 mm
|
| • marking |
No
|
| – ledge of the piston of 0,75 - 0,85 mm: | |
| • thickness |
1,4 mm
|
| • marking |
One cut
|
| – piston ledge over 0,85 mm: | |
| • thickness |
1,5 mm
|
| • marking |
Two cuts
|
| Adjustment of gaps of valves |
It is carried out by automatically hydraulic pushers
|
| Valve saddle width in a head of cylinders: | |
| – inlet |
1,3 – 2,0 mm
|
| – final |
1,3 – 2,6 mm
|
| Valve core side play in the directing plug: | |
| – inlet valve |
0,015 – 0,047 mm
|
| – final valve |
0,030 – 0,062 mm
|
| Deepening of a head of the valve |
0,25 – 0,75 mm
|
| Ledge of the vortex camera |
0,00 – 0,04 mm
|
| Grinding of the interfaced surface |
At most 0,025 mm
|
| Height of a head of the block of cylinders: | |
| – maximum |
106,10 mm
|
| – minimum |
105,75 mm
|
| Not planeness of the interfaced surfaces |
At most 0,15 mm
|
Valves
| Valve length |
123,25 mm
|
| Diameter of a plate of the valve: | |
| – inlet |
36 mm
|
| – final |
32 mm
|
| Diameter of a core of the valve (nominal): | |
| – inlet |
7,970 – 7,985 mm
|
| – final |
7,955 – 7,970 mm
|
| Internal diameter of the directing valve plug (nominal) |
8,000 – 8,017 mm
|
| Diameter of a core of the valve after boring of the plug: | |
| – marking 1 |
+0,075 mm
|
| – marking 2 |
+0,150 mm
|
| – marking And (the inlet valve) or To (the final valve) |
+0,250 mm
|
| Valve facet corner in a head of cylinders |
44 °
|
Camshaft and bearings
| Diameter of a neck of the bearing (nominal): | |
| – No. 1 |
42,455 – 42,470 mm
|
| – No. 2 |
42,705 – 42,720 mm
|
| – No. 3 |
42,955 – 42,970 mm
|
| – No. 4 |
43,205 – 43,220 mm
|
| – No. 5 |
43,455 – 43,470 mm
|
| Diameter of the bearing (nominal): | |
| – No. 1 |
42,500 – 42,525 mm
|
| – No. 2 |
42,750 – 42,775 mm
|
| – No. 3 |
43,000 – 43,025 mm
|
| – No. 4 |
43,250 – 43,275 mm
|
| – No. 5 |
43,500 – 43,525 mm
|
| Diameters of necks and bearings after processing |
- 0,1 mm
|
| Marking of the camshaft: | |
| – alphabetic |
In
|
| – color – a standard shaft |
no
|
| – color – after processing |
violet
|
| Radial beating |
At most 0,03 mm
|
| Axial side play |
0,04 – 0,14 mm
|
| Height of raising of cams (inlet and final valves) |
6,12 mm
|
| Ovality and conicity of the cylinder |
0,013 mm at most
|
Cylinders
|
Cylinder
|
Diameter (± 0,005 mm)
|
Marking
|
| Category 1 |
79,95 mm
|
5
|
|
79,96 mm
|
6
| |
|
79,97 mm
|
7
| |
| Category 2 |
79,98 mm
|
8
|
|
79,99 mm
|
99
| |
|
80,00 mm
|
00
| |
|
80,01 mm
|
01
| |
|
80,02 mm
|
02
| |
|
80,03 mm
|
03
| |
| Category 3 |
80,04 mm
|
04
|
|
80,05 mm
|
05
| |
|
80,06 mm
|
06
| |
|
80,07 mm
|
07
| |
|
80,08 mm
|
08
| |
|
80,09 mm
|
09
| |
|
80,10 mm
|
1
| |
| The increased size (on 0,5 mm) |
80,47 mm
|
7+0,5
|
|
80,48 mm
|
8+0,5
| |
|
80,49 mm
|
9+0,5
| |
|
80,50 mm
|
0+0,5
| |
| The increased size (on 1,0 mm) |
80,97 mm
|
7+1,0
|
|
80,98 mm
|
8+1,0
| |
|
80,99 mm
|
9+1,0
| |
|
81,00 mm
|
0+1,0
|
Pistons
| Producer |
Mahle or Alcan
|
| Marking of the producer: | |
| – Mahle |
m
|
| – Alcan |
D
|
| Diameter: | |
| – Mahle |
is 0,030 mm less, than diameter of the cylinder
|
| – Alcan |
is 0,020 mm less, than diameter of the cylinder
|
| Marking on categories corresponds to marking of cylinders. A piston ledge in the top dead point (it is used for determination of thickness of laying of a head of the block of cylinders) |
0,65 – 0,95 mm
|
| Assembly gap: | |
| – Mahle |
0,020 – 0,040 mm
|
| – Alcan |
0,015 – 0,035 mm
|
Piston rings
| Thickness: | |
| – compression rings |
1,978 – 1,990 mm
|
| – oil scraper ring |
2,975 – 3,010 mm
|
| Gap in the lock of rings |
0,2 – 0,4 mm
|
| Gap between a piston ring and a side surface of a flute of a ring |
It is not defined
|
| Shift of locks of piston rings relatively each other |
180 °
|
Piston fingers
| Length |
64,7 – 65,0 mm
|
| Diameter |
25,995 – 26,000 mm
|
| Gap: | |
| – between a piston finger and the piston |
0,007 – 0,011 mm
|
| – between a piston finger and a rod |
0,014 – 0,025 mm
|
Rods
| Difference between the next rods in weight |
4 g
|
| Marking on weight: | |
| – 785 g |
Black / 1
|
| – 789 g |
Blue / 2
|
| – 793 g |
Green / 3
|
| – 797 g |
Yellow / 4
|
| – 807 g |
White / 5
|
| – 805 g |
Gray / 6
|
| Side play on cranked to a shaft |
0,07 – 0,24 mm
|
Bent shaft and bearings
| Diameter of a neck of the radical bearing: | |
| – nominal |
57,982 – 57,995 mm
|
| – the reduced size (on 0,25) |
57,732 – 57,745 mm
|
| – the reduced size (on 0,50) |
57,482 – 57,495 mm
|
| Diameter of a neck of the conrod bearing: | |
| – nominal |
48,971 – 48,987 mm
|
| – the reduced size (on 0,25) |
48,721 – 48,737 mm
|
| – the reduced size (on 0,50) |
48,471 – 48,487 mm
|
| Ovality and conicity of bearings of a bent shaft |
At most 0,004 mm
|
| Shaft beating |
At most 0,03 mm
|
| Side play |
0,07 – 0,30 mm
|
| Working gap of the radical bearing |
0,015 – 0,040 mm
|
| Working gap of the conrod bearing |
0,019 – 0,063 mm
|
Marking of inserts of bearings
|
Inserts
|
Color
|
Marking
|
| Standard size: | ||
| – the top inserts of radical bearings, except an average |
Brown
|
413N or 403N
|
| – top average insert of the radical bearing |
Brown
|
400N or 410N
|
| – the lower inserts of radical bearings, except an average |
Green
|
414N or 404N
|
| – lower average insert of the radical bearing |
Green
|
401N or 411N
|
| – inserts of the conrod bearing |
No
|
419N
|
| The reduced size (0,25): | ||
| – the top inserts of radical bearings, except an average |
Brown-blue
|
415A or 405A
|
| – top average insert of the radical bearing |
Brown-blue
|
402A or 412A
|
| – the lower inserts of radical bearings, except an average |
Green-blue
|
416A or 406A
|
| – lower average insert of the radical bearing |
Green-blue
|
403A or 413A
|
| – inserts of the conrod bearing |
Blue
|
420A
|
| The reduced size (0,50): | ||
| – the top inserts of radical bearings, except an average |
Brown-white
|
236B or 407
|
| – top average insert of the radical bearing |
Brown-white
|
238B or 414B
|
| – the lower inserts of radical bearings, except an average |
Green-white
|
237B or 408
|
| – lower average insert of the radical bearing |
Green-white
|
239B or 415B
|
| – vladysh of the conrod bearing |
White
|
421B
|
Flywheel
| Beating |
At most 0,5 mm
|
| Maximum wear of a frictional surface |
At most 0,3 mm
|
Lubrication system
| System type |
The oil pallet, giving under pressure, the full-line filter
|
| Filter |
Champion G105
|
| Oil pressure (the engine is warmed and idles) |
1,5 bars
|
| Gaps of the oil pump: | |
| – a gap between teeths of gear wheels |
0,1 – 0,2 mm
|
| – a gap between an external gear wheel and a casing of the pump |
0,03 – 0,10 mm
|
| – a gap between the plane of gear wheels and the plane of the pump |
0,03 – 0,10 mm
|
Water pump
| Type |
Centrifugal pump
|
| Drive |
From a bent shaft wedge-shaped belt
|
Thermostat
| Temperature began opening |
91 °C
|
| Temperature of full opening |
106 °C
|
| Marking |
91
|
Tightening moments
* At installation it is necessary to use new bolts.