Daewoo Nexia

Since 1994 of release

Repair and car operation



Daewoo Nexia
+ The maintenance instruction
+ Maintenance service
+ The engine
- 3. The engine (two top camshafts)
   3.2. The general description
   3.3. Work of hydraulic jacks of backlashes
   3.4. Greasing system
   3.5. Maintenance service and repair
   3.6. Compression check
   3.7. Dismantle and engine installation in gathering
   3.8. A klinovoj belt
   3.9. Engine support
   3.10. An inlet collector and a lining
   3.11. A final collector and a lining
   3.12. A cover клапанного the mechanism and a lining
   3.13. A pulley of a cranked shaft
   3.14. A forward cover of a gear belt
   3.15. A gear belt
   3.16. Натяжитель a gear belt
   3.17. A camshaft cogwheel
   3.18. A cogwheel of a cranked shaft
   3.19. A back cover of a gear belt
   3.20. Forward consolidation of a cranked shaft
   3.21. A camshaft. Hydrojacks of backlashes of valves
   3.22. A head of the block of cylinders
   3.23. Repair of a head of the block of cylinders
   3.24. Klapannye springs. Consolidations of cores of valves
   3.25. Dismantle of valves
   3.26. Directing plugs of valves
   3.27. Expansion of apertures of plugs
   3.28. Valves
   3.29. Klapannye springs
   3.30. Saddles of valves
   3.31. The oil pallet
   3.32. A reception branch pipe with the oil filter
   3.33. The oil pump
   3.34. Repair of the oil pump
   3.35. Pistons and rods
   3.36. A flywheel. Back consolidation of a cranked shaft
   3.37. A cranked shaft
   3.38. Rods and radical bearings
   3.39. Replacement of loose leaves
   3.40. Piston fingers and rings
   3.41. The block of cylinders
   3.42. Installation of pistons
   3.43. Balancing of a disk with a gear wreath
   3.44. Repair of carving apertures
   3.45. Diagnostics of malfunctions
+ Cooling system
+ Топлевная and exhaust systems
+ Electric chain
+ 7. Ignition system
+ 8. The electronic block of management and gauges
+ Transmission
+ 10. A five-speed transmission and the main transfer RPO MM5
+ 11. Automatic Transmission
+ Steering
+ Running gear
+ 14. A forward suspension bracket
+ 15. A drive of forward wheels
+ 16. A back suspension bracket
+ Brake system
+ Body
+ Heating, ventilation
+ Electric equipment



3. The engine (two top camshafts)

3.1. Technical characteristics
THE GENERAL DATA

General characteristics

Engine type
Рядный, 4-cylinder
Working volume
1498 cubic sm (1,5л)
Diameter of the cylinder
76,5 mm
Piston stroke
81,5 mm
Compression degree
9,2
Operating procedure of cylinders
1–3–4–2

Cylinders

Diameter of the cylinder
76,495 – 76,505 mm
Admissible ovality
0,013 mm
Admissible конусность
0,013 mm
Admissible конусность in a plane of rotation of a crank
0,02 mm

Pistons

Diameter
76,465 – 76,475 mm
Backlash between the piston and the cylinder
0,02 – 0,04 mm

Piston rings

Backlashes in the lock:
– Top компрессионное a ring
0,3 – 0,5 mm
 – Bottom компрессионное a ring
0,3 – 0,5 mm
Ring backlash in a flute:
– Top компрессионное a ring
0,060 – 0,092 mm
– Bottom компрессионное a ring
0,050 – 0,082 mm

Piston fingers

Diameter
17,990 – 17,995 mm
Finger backlash in the piston
0,01 – 0,02 mm
Finger landing in a rod head
The dense

Camshafts

Lifting of the inlet valve
8,5 mm
Lifting of the final valve
8,5 mm
Axial backlash of a shaft
0,04 – 0,06 mm
Diameters of necks of a shaft:
– 1st
29,935 – 29,950 mm
– 2nd
26,935 – 26,950 mm
– 3rd
26,935 – 26,950 mm
– 4th
26,935 – 26,950 mm
– 5th
26,935 – 26,950 mm
Diameters of apertures of bearings:
– 1st
30,000 – 30.021 mm
– 2nd
27,000 – 27,021 mm
– 3rd
27,000 – 27,021 mm
– 4th
27,000 – 27,021 mm
– 5th
27,000 – 27,021 mm
Backlashes in bearings
0,050 – 0,086 mm

Cranked shaft

Radical necks:
– Diameter
54,980 – 54,997 mm
– Admissible конусность
0,005 mm
– Admissible ovality
0,004 mm
Radical bearings:
– Backlashes
0,015 – 0,040 mm
Axial backlash of a shaft
0,070 – 0,32 mm
Shatunnye necks:
– Diameter
42,971 – 42.987 mm
– Admissible конусность
0,005 mm
– Admissible ovality
0,004 mm
Backlashes in шатунных bearings
0,019 – 0,063 mm
Lateral backlash in шатунном the bearing
0,070 – 0,242 mm

The klapannyj mechanism

Jacks of backlashes
The hydraulic
Corner of a facet of valves (all valves)
45
Corner of a facet of saddles (all saddles)
45
Admissible несоосность saddles and plugs
0,05 mm
Admissible несоосность valve facets
0,015 mm
Width of a saddle
1,2 – 1,6 mm
Directing plugs:
– Internal diameter
6 00 – 6,02 mm
Diameters of cores of valves:
– The final
5,955 – 5,970 mm
– The inlet
5,935 – 5,950 mm
Backlashes of valves in plugs:
– The inlet valve
0,030 – 0,065 mm
– The final valve
0,050 – 0,085 mm
Effort / length клапанных springs:
– At the open valve
556,5 – 603,5 Н/23 mm
– At the closed valve
247 – 273 Н/32 mm

The oil pump

Lateral backlash in gearing of gear wheels
0,10 – 0,20 mm
Radial backlash of a gear wheel with internal gearing in the case
0,11 – 0,19 mm
Radial backlash of a gear wheel with internal gearing in interface to a segment
0,40 – 0,50 mm
Radial backlash of a gear wheel with external gearing in interface to a segment
0,35 – 0,40 mm
Face backlash
0,030 – 0,10 mm
Depth of a nest of gear wheels
10,03 – 10,08 mm
Diameter of nests of gear wheels:
– With external gearing
41,00 – 41,025 mm
– With internal gearing
82,07 – 82,15 mm
Diameter of gear wheels:
– With external gearing
40,95 – 40,975 mm
– With internal gearing
81,910 – 81,964 mm

The moments of an inhaling of carving connections

Cover bolts клапанного the mechanism
8 Nanometers
Bolts of a head of cylinders
20 Nanometers +65 +65 +65
(After engine test)
30 – 40
Nuts of the final pipeline
22 Nanometers
Nuts of fastening of a dual exhaust pipe
25 Nanometers
Bolt натяжителя a belt
25 Nanometers
Bolt of a cogwheel of a cam-shaft
60 Nanometers
Bolts of a forward cover of a belt
8 Nanometers
The bottom bolt of an arm of the inlet pipeline
40 Nanometers
The top bolts of an arm of the inlet pipeline
25 Nanometers
Nuts and bolts of the inlet pipeline
25 Nanometers
Flywheel bolts
35 Nanometers + 30 - 45
Bolts of the oil pallet
5 Nanometers
Drain oil stopper
45 Nanometers
Bolt of a pulley of a cranked shaft
55 Nanometers
Bolt of fastening of the water pump
8 Nanometers
Bolts of covers шатунных bearings
25 Nanometers + 30