Nissan Primera

1990-1992 of release

Repair and car operation



Nissan Primera
+ Nissan Primera brand Cars
+ Current leaving and service
- Engine
   Removal and engine installation
   Engine dismantling
   Engine assembly
   Head of cylinders and drive of the gas-distributing mechanism
   Pistons and rods
   Crankshaft and crankshaft bearings
   Block of cylinders
   Compression check
   System of greasing of the engine - the general information
   Removal and installation of the pallet of a case
   Oil pump
   Check of pressure of impellent oil
+ cooling and heating Systems
+ the Power supply system and production of the fulfilled gases
+ System of electric equipment of the engine
+ Manual transmission, differential and main transfer
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Appendices
experienced



Engine

Specifications

General parameters

Separate characteristics are provided also in the text of Head and in case of obligation of their performance are allocated with a bold print.

Carburetor engines of 1.6 l  

Block of cylinders

Maximum bend of a surface of the block 0.10 mm
Diameter of cylinders:
  • size of the piston 1
76.000 — 76.010 mm
  • size of the piston 2
76.010 — 76.020 mm
  • size of the piston 3
76.020 — 76.030 mm
Repair sizes as for pistons
Maximum ovality of cylinders Less than 0.015 mm
maximum konusnost of cylinders Less than 0.010 mm
Maximum wear of openings 0.20 mm
Люфт pistons 0.010 — 0.030 mm

Crankshaft

Number of radical bearings 5
Diameter of radical necks:
  • class 0
49.956 — 49.964 mm
  • class 1
49.948 — 49.956 mm
  • class 2
49.940 — 49.948 mm
Diameter of shatunny necks
  • class 0
39.968 — 39.974 mm
  • class 1
39.962 — 39.968 mm
  • class 2
39.956 — 39.962 mm
Maximum palpation of the crankshaft less than 0.04 mm
Axial люфт crankshaft:
  • nominal rate
0.060 — 0.180 mm
  • limit of wear
0.30 mm
Thickness of loose leaves of radical bearings:
  • size 0 (black designation)
1.826 — 1.830 mm
  • size 1 (brown designation)
1.830 — 1.834 mm
  • size 2 (green designation)
1.834 — 1.838 mm
  • size 3 (yellow designation)
1.838 — 1.842 mm
  • size 4 (dark blue designation)
1.842 — 1.846 mm
  • repair size of 0.25 mm
1.960 — 1.964 mm
  • repair size of 0.50 mm
2.085 — 2.089 mm

Head of cylinders

Material aluminum alloy
Max. surface deformation 0.10 mm
Head height 117.8 — 118.0 mm
Gaps of valves (warm):
  • inlet valves, admissible limits
0.21 — 0.49 mm
  • inlet valves, value at adjustment
0.32 — 0.40 mm
  • final valves, admissible limits
0.30 — 0.58 mm
  • final valves, mean. at adjustment
0.37 — 0.45 mm
Gaps of valves (cold) — temperature about 20 ° With:
  • inlet valves
0.25 — 0.33 mm
  • final valves
0.32 — 0.40 mm
Diameter of a plate of the valve:
  • inlet valves
29.9 — 30.1 mm
  • final valves
23.9 — 24.1 mm
Total length of valves:
  • inlet valves
92.05 — 92.45 mm
  • final valves
92.42 — 92.82 mm
Diameter of a core of the valve:
  • inlet valves
5.465 — 5.480 mm
  • final valves
5.445 — 5.460 mm
Corner of a facet of a saddle of the valve 45°15' — 45°45'
Maximum polishing of a core of the valve 0.2 mm
Minimum thickness of an edge of a plate of the valve 0.9 — 1.1 mm
Maximum люфт valve core 0.10 mm

Directing valves

Internal diameter 5.500 — 5.515
External diameter:
  • nominal size
9.523 — 9.534 mm
  • repair size
9.723 — 9.734 mm
The amount of processing for directing the repair size 9.685 — 9.696 mm
Tightness of the directing 0.027 — 0.049 mm
Люфт cores of valves in the directing:
  • inlet valves
0.020 — 0.050 mm
  • final valves
0.040 — 0.016 mm
  • limit of wear
0.10 mm

Springs of valves

Uncompressed length — all valves 40.0 mm
Adjusting height 23.64 mm at loading of 37.7 kg
Minimum adjusting length 23.64 mm at loading of 33.7 kg
The maximum bend of a spring on the top party less than 1.75 mm (see an illustration)

Pushers of valves

External diameter

29.960 — 29.975 mm
Internal diameter 30.000 — 30. 021 mm
Gap of pushers 0.025 — 0.061 mm

Facets of saddles of valves

Width of a facet:
  • inlet valves
1.34 — 1.63 mm
  • final valves
1.70 — 2.12
Diameter of a facet of the valve:
  • inlet valves
29.5 — 29.7 mm
  • final valves
23.5 — 23.7 mm
The amount of processing for saddles of the repair size:
  • inlet valves
31.9 — 32.1 mm
  • final valves
25.2 — 25.4 mm
Corner of a facet of a saddle: 45 °
  • adjustment corner — inlet valves 30 and 60 °
30 and 60 °
  • adjustment corner — final valves
10 and 60 °

Cam-shaft and cam-shaft bearings

Height of cams:
  • inlet cams
39.880 — 40.070 mm
  • final cams
39.980 — 40.070 mm
Limit of wear it is less on 0.20 mm
Axial люфт cam-shaft 0.115 — 0.118 mm
limit of wear 0.20 mm
Maximum palpation of a cam-shaft 0.10 mm
люфт cam-shaft bearings 0.045-0. 086 mm
limit of wear 0.15 mm
Internal diameter of openings of a cam-shaft:
  • bearing 1
28.000 — 28.021 mm
  • bearings with 2 on 5
24.000 — 24.021 mm
Diameter of necks of a cam-shaft:
  • bearing 1
27.935 — 27.955 mm
  • bearings with 2 on 5
23.935 — 23.995 mm

Distributive mechanism

The inlet valve opens 0 ° (ВМТ)
The inlet valve is closed 42 ° after NMT
The final valve opens 42 ° before NMT
The final valve is closed 0 ° (ВМТ)

Pistons

Material and design aluminum alloy, pistons with a rigid skirt
Piston rings two kompressionny, one maslosjemny rings
Piston fingers float in rods, are pressed in pistons. Fingers are fixed by lock rings.
Diameter of the piston:
  • size 1
75.980 — 75.990 mm
  • size 2
75.990 — 76.000 mm
  • size 3
76.000 — 76.010 mm
  • the repair size on 0.5 mm
76.490 — 76.510 mm
  • the repair size on 1.0 mm
76.990 — 77.010 mm
Люфт pistons 0.010 — 0. 030 mm
Places of measurement of the piston see an illustration
Opening of a piston finger 18.987 — 18.999 mm
Diameter of a piston finger 18.989 — 19.001 mm

Piston rings

Vertical люфт rings in grooves:
  • top kompressionny ring
0.040 — 0.085 mm
  • second kompressionny ring
0.030 — 0.065 mm
  • limit of wear
0.20 mm
Gaps in locks of piston rings:
  • top kompressionny ring
0.20 mm — 0.40 mm
  • second kompressionny ring
0.35-0.55 mm
  • maslosjemny ring
0.25 — 1.0 mm
Limit of wear of gaps in locks of rings:
  • top kompressionny ring
0.49 mm
  • second kompressionny ring
0.64 mm
  • maslosjemny ring
1.09 mm

Piston fingers

External diameter 18.989 — 18.999 mm
Diameter of an eye of the piston 18.987 — 18.999 mm
Gap in the piston tightness — 0.004 to 0 mm
Gap in the plug of an eye of a rod 0.005 — 0. 017 mm

Rods

Axial люфт on a crankshaft neck 0.20 — 0.47 mm
  • limit of wear
0.52 mm
Люфт bearing 0.010 — 0.035 mm
  • the most admissible люфт
0.055 mm
Maximum deformation 0.15 mm on 100мм
Maximum twisting of rods 0.3 mm on 100 mm
Length of rods, from the center to the center 140.45 — 140.55 mm
Diameter of an opening of an eye of a rod 19.000 — 19.012 (the plug is tense)
Diameter of an opening of the shatunny bearing 43.000 — 43.013 (without loose leaves)
Loose leaves of shatunny bearings
  • nominal thickness
1.505 — 1.508 (three classes of the admission)
Loose leaves of shatunny bearings
  • repair size
0.08; 0.12 and 0.25 mm

Injector engines of 2.0 l

Block of cylinders

Maximum bend of a surface of the block 0.10 mm
Diameter of cylinders:
  • size of the piston 1
86.000 — 86.010 mm
  • size of the piston 2
86.010 — 86.020 mm
  • size of the piston 3
86.020 — 86.030 mm
Repair sizes as for pistons
Maximum ovality of cylinders Less than 0.015 mm
maximum konusnost of cylinders Less than 0.010 mm
Maximum wear of openings 0.20 mm
Люфт pistons 0.010 — 0.030 mm

Crankshaft

Number of radical bearings 5
Diameter of radical necks:
  • class 0
54.974 — 54.980 mm
  • class 1
54.968 — 54.974 mm
  • class 2
54.962 — 54.968 mm
Diameter of shatunny necks:
  • class 0
47.968 — 47.974 mm
  • class 1
47.962 — 47.968 mm
  • class 2
47.956 — 47.962 mm
Maximum palpation of the crankshaft less than 0.025 mm
Axial люфт crankshaft:
  • nominal rate
0.012 — 0.026 mm
  • limit of wear
0. 30 mm
Thickness of loose leaves of radical bearings:
  • size 0 (black designation)
1.977 — 1.980 mm
  • size 1 (brown designation)
1.980 — 1.983 mm
  • size 2 (green designation)
1.983 — 1.986 mm
  • size 3 (yellow designation)
1.986 — 1.989 mm
  • size 4 (dark blue designation)
1.989 — 1.992 mm
  • size 5 (pink designation)
1.992 — 1.995 mm
  • the size 6 (white designation or without designation)
1.995 — 1.998 mm
  • repair size, 0.25 mm
2.109 — 2.117 mm

Head of cylinders

Material aluminum alloy
Max, surface deformation 0.10 mm
Head height 136.9 — 137.1 mm
Diameter of a plate of the valve:
  • inlet valves
34.0 — 34.2 mm
  • final valves
30.0 — 30.2 mm
Total length of valves:
  • inlet valves
101.24 — 101.56 mm
  • final valves
102.11 — 102.53 mm
Diameter of a core of the valve:
  • inlet valves
5.965 — 5.980 mm
  • final SR20DE valves
6.945 — 6.960 mm
  • SR20Di
5.945 — 5.560 mm
Corner of a facet of a saddle of the valve 45°15' — 45°45'
Maximum polishing of a core of the valve 0.2 mm
Minimum thickness of an edge of a plate of the valve:
  • inlet valves
1.3 mm
  • final valves
1.6 mm
Maximum люфт valve core 0.10 mm

Directing valves

Internal diameter, inlet valves 6.000 — 6.018 mm
Internal diameter, final valves:
  • SR20DE engine
7.000 — 7.018 mm
  • SR20Di engine
6.000 — 6.018 mm
External diameter — inlet valves:
  • nominal size
10.023 — 10.034 mm
External diameter — final valves:
  • the nominal size — the SR20DE engine
11.023 — 11.034 mm
  • SR20Di engine
10.023 — 10.034 mm
  • the repair size — the SR20DE engine
11.223 — 11.234 mm
  • SR20Di engine
10.223 — 10.234 mm
The amount of processing for directing the repair size:
  • inlet valves
10.175 — 10.196 mm
  • final valves — the SR20DE engine
11.175 — 11.196 mm
  • SR20Di engine
10.175 — 10.196 mm
Tightness of the directing 0.027 — 0.059 mm
Люфт cores of valves in the directing:
  • inlet valves
0.020 — 0.053 mm
  • final valves
0.040 — 0.073 mm
  • limit of wear
0.10 mm

Springs of valves

Uncompressed length — all valves 49.36 mm
Adjusting height 30.00 mm at loading 58 - 66.5 kg
Minimum adjusting length 30.00 mm at loading of 56 kg
The maximum bend of a spring on the top party less than 2.20 mm (see an illustration)

Hydraulic pushers of valves

External diameter 16.980 — 16.993 mm
Internal diameter 17.000 — 17.020 mm
Gap of pushers 0.007 — 0.040 mm

Facets of saddles of valves

Width of a facet:
  • inlet valves
1.40 — 1.70 mm
  • final valves
1.70 — 2.00 mm
Diameter of a facet of the valve:
  • inlet valves
33.6 — 33.8 mm
  • final valves
29.4 — 29.6 mm
The amount of processing for saddles of the repair size:
  • inlet valves
35.500 — 35.516 mm
  • final valves
31.500 — 31.516 mm
Corner of a facet of a saddle 45 ° With

Cam-shaft and cam-shaft bearings

Height of cams:
  • inlet cams — the SR20DE engine
38.408 — 38.598 mm
  • SR20Di engine
37.920 — 38.110 mm
  • final cams — the SR20DE engine
37.920 — 38.110 mm
  • SR20Di engine
37.920 — 38.110 mm
Limit of wear it is less on 0.20 mm
Axial люфт cam-shaft 0.055 — 0.139 mm
  • limit of wear
0.20 mm
Maximum palpation of a cam-shaft 0.10 mm
  • люфт cam-shaft bearings
0.045 — 0.086 mm
  • limit of wear
0.12 mm
Internal diameter of bearings of a cam-shaft 28.000 — 28.021 mm
Diameter of necks of a cam-shaft 27.935 — 27.955 mm

Distributive mechanism

SR20DE engine SR20Di engine
The inlet valve opens 9 ° before VMT 14 ° before VMT
The inlet valve is closed 59 ° after NMT 46 ° after NMT
The final valve opens 51 ° before NMT 58 ° before NMT
The final valve is closed 9 ° after VMT 2 ° after VMT

Pistons

Material and design aluminum alloy, pistons with a rigid skirt
Piston rings two kompressionny, one maslosjemny rings
Piston fingers float in rods, are pressed in pistons. Fingers are fixed by lock rings.
Diameter of the piston:
  • size 1
85.980 — 85.990 mm
  • size 2
85.990 — 86.000 mm
  • size 3
86.000 — 86.010 mm
  • the repair size on 0.2 mm
86.180 — 86.210 mm
Люфт pistons 0.010-0.030 mm
Places of measurement of the piston see an illustration
Opening piston пальцаx 0.010 — 0.030 mm
Diameter of a piston finger 21.989 — 22.001 mm

Piston rings

Vertical люфт rings in grooves:
  • top kompressionny ring
0.040 — 0.080 mm
  • second kompressionny ring
0.030 — 0.070 mm
  • limit of wear
0.20 mm
Gaps in locks of piston rings: top kompressionny ring 0.20 — 0.30 mm
  • second kompressionny ring
0.35 — 0.50 mm
  • maslosjemny ring
0.20 — 0.60 mm
  • Limit of wear of gaps in locks of rings
1.0 mm

Piston fingers

External diameter 21.989 — 22.001 mm
Diameter of an eye of the piston 21.987-21.999 mm
Gap in the piston tightness — 0.004 to 0 mm
Gap in the plug of an eye of a rod 0.005 — 0.017 mm
  • limit of wear
0.023 mm

Rods

Axial люфт on a crankshaft neck 0.20 — 0.35 mm
  • limit of wear
0.50 mm
Люфт bearing 0.020 — 0.045 mm
  • the most admissible люфт
0.09 mm
Maximum deformation 0.15 mm on 100мм
Maximum twisting of rods 0.3 mm on 100 mm
Length of rods, from the center to the center 136.30 mm
Diameter of an opening of an eye of a rod 22.000 — 22.012 (the plug is tense)
Diameter of an opening of the shatunny bearing 51.000 — 51.013 mm (without loose leaves)
Loose leaves of shatunny bearings
  • nominal thickness
1.500 — 1.503 (three classes of the admission)
Loose leaves of shatunny bearings
  • repair size
0.08; 0.12 and 0.25 mm

Various data

Palpation of an asterisk of a cam-shaft макс.0.25 mm
Max, palpation of a frictional surface of a flywheel макс.0.10 mm
Adjusting washers of a gap of valves:
  • available sizes
from 2.80 to 3.20 mm
  • step between the sizes
0.025 mm
Designations in washers 28= 2.8 mm

Greasing system

Design the shesterenchaty pump, various form of a teeth on l engines 1.6 and 2.0. It is put in action from the forward party of the crankshaft. Is in a cover of a drive of the distributive mechanism.
Pump gaps — the engine of 1.6 l
  • gap between an opening of the case and an external gear wheel
0.11 — 0.20 mm
  • gap between an internal gear wheel and a sickle
0.0385 — 0.3015 mm
  • gap between an external gear wheel and a sickle
0.0375 — 0.3825 mm
  • gap between the case and an internal gear wheel
0.05 — 0.09 mm
  • gap between the case and an external gear wheel
0.05 — 0.11 mm
Pump gaps — the engine of 2.0 l
  • gap between the case and an external gear wheel
0.1 — 0.20 mm
  • gap between tops of a teeth of an internal and external gear wheel
less than 0.18 mm
  • gap between the case and an internal gear wheel
0.05 — 0.09 mm
  • gap between the case and an external gear wheel
0.11 — 0.20 mm
Pressure of oil:
  • engine of 1.6 l
see above
  • engine of 2.0 l
see above
Amount of oil see. Types and volumes of applied greasings and liquids in Head the Current leaving and service
Oil filter
  • Design the replaceable
boss

Efforts of a tightening of carving connections, N • m

The moments of an inhaling of fixture are given in the text of Head and on some иллюстрациях*.

*vydelenny in the text a bold print the moments of an inhaling are subject to exact observance; the efforts not allocated with a bold print are given only roughly.

Carburetor engine

Bolts of a head of cylinders:
  • first pass
30
  • second pass
59
  • third pass
weaken all bolts
  • fourth pass
30
  • fifth pass
to tighten on a corner 50 — 55 ° or 60±5
Nuts of shatunny bearings:
  • first pass
14 — 16
  • second pass
23 — 29 or 35 — 40 °
  • flywheel bolts
85 — 95
  • bolts of covers of radical bearings
47 — 53
  • case pallet
6.5 — 8.5
  • masloslivny stopper
30 — 40
  • bolt of an asterisk of the crankshaft
100 — 130
  • bolt of an intermediate asterisk
45 — 60
  • remenny pulley of the crankshaft
135 — 155
  • directing and tension level of a chain
13 — 19
  • fastening of a natyazhitel of a chain
6 — 12
  • directing to a chain in a head of cylinders
6.5 — 8.5
  • natyazhitel of a chain in a head of cylinders
6.5 — 8.5
  • bolts of covers of bearings of a cam-shaft
9 — 12
  • cover of cam-shafts on a head of cylinders
3.7 — 5.0
  • cover of a head of cylinders
2 — 4
  • fuel pump
16 — 21
  • water pump
6.3 — 8.3
  • water inlet branch pipe
6.3 — 8.3
  • thermostat case
6.3 — 8.4
  • carburetor
16 — 21
  • the distributor on a head
9 — 12
  • support on the inlet pipeline
16 — 21
  • starter
32 — 43
  • water pipe on the block
16 — 21
  • the generator on the console
38 — 50

Injector engine

Bolts of a head of cylinders:
  • first pass
39
  • second pass
78
  • third pass
weaken all bolts
  • fourth pass
35 — 45
  • fifth pass
to tighten on 90 — 100 °
Nuts of shatunny bearings:
  • first pass
14 — 16
  • second pass
38 — 44 or 60 — 65 °
  • flywheel bolts
85 — 95
  • driving disk (machine gun)
85 — 95
Bolts of covers of radical bearings:
  • first pass
32 — 38
  • second pass
73 — 82 or 45 — 50 °
  • steel pallet of a case
6.5 — 7.5
  • masloprovodny plate
6.5 — 7.5
  • the aluminum pallet see an illustration
10 — 13
  • masloslivny stopper
30 — 40
  • bolt of a gear wheel of a cam-shaft
140 — 160
  • remenny pulley of the crankshaft
145 — 155
  • directing and tension level of a chain
13 — 19
  • fastening of a natyazhitel of a chain
6.3 — 8.3
  • directing to a chain, top
16 — 19
  • bolts of covers of bearings of a cam-shaft
see illustrations Sequence of an inhaling of covers of bearings of cam-shafts. The big cover belongs to the left cam-shaft and the Separate bolts mentioned in the text are designated by letters from And to D.
  • cover of a head of cylinders
see an illustration
  • tension device of the pump of a steering
16 — 22
  • console of the pump of a steering
45 — 60
  • maslookhladitel
16 — 21
  • maslootrazhatel on a head of cylinders
16 — 21
  • water inlet branch pipe
6.3 — 8.3
  • drain stopper of the block of cylinders
8 — 12
  • thermostat case
6.3 — 8.3
  • the ignition distributor on a head
13 — 16