FORD SCORPIO

1985-1994 of release

Repair and operation of the car



Ford Skorpio
+ 1.1. Identification of the car
+ 2. Maintenance
- 3. Engines
   - 3.1. OHC engine
      3.1.1. Technical characteristic
      + 3.1.2. Service and repair
   + 3.2. DOHC engine
   + 3.3. V6 engine
   + 3.4. Systems of ignition and engine management
   + 3.5. Diesel engines
+ 4. Cooling system
+ 5. Fuel system
+ 6. Coupling
+ 7. Transmissions
+ 8. Driveshaft and back bridge
+ 9. Steering
+ 10. Suspension brackets
+ 11. Brake system
+ 12. Wheels and tires
+ 13. Body
+ 14. Electric equipment


9d8db598 http://algnm.ru/.

3. Engines

3.1. ONS engine

3.1.1. Technical characteristic

GENERAL INFORMATION

The engine – petrol, four-cycle, four-cylinder, line, water cooling, has the camshaft in a head of the block of cylinders, is installed is longitudinal ahead of the car.

ENGINE

Key parameters

Engine
1,8 OHC
2,0 OHC
2,0 OHC
2,0 OHC
2,0 OHC
Engine type
REC
NEL
NER
NRC
NRA
Diameter of the cylinder (mm)
86,20
90,82
90,82
90,82
90,82
Piston stroke (mm)
76,95
76,95
76,95
76,95
76,95
Volume (cm3)
1798
1993
1993
1993
1993
Extent of compression
9,5
9,2
9,2
9,2
9,2
Pressure of compression (MPa)
1,1 – 1,3
1,1 – 1,3
1,1 – 1,3
1,1 – 1,3
1,1 – 1,3
Rated power:
  – kW at rpm
66 at 5400
77 at 5200
74 at 5400
74 at 5100
85 at 5500
  – h.p. at rpm
90 at 5400
105 at 5200
100 at 5400
100 at 5100
115 at 5500
The maximum torque (Nanometer at rpm)
140 at 3500
157 at 4000
153 at 4000
148 at 4000
160 at 4000

HEAD OF THE BLOCK OF CYLINDERS

The head is made of special aluminum alloy and has the saddles of inlet valves executed directly in material of a head of the block of cylinders, and saddles of final valves – pressed.

Designation:
  – 1,8 dm3 engine
85
  – 2,0 dm3 engine
0

Saddles of valves

Corner of a working facet of valves
90 °
Corner of the top cone:
  – inlet
70 °
  – final
40 °
Width of a working facet of a saddle of the valve
1,5 – 2,0 mm

Regrinding of the lower plane of a head of the block of cylinders is not provided.

Diameters of openings of nests of bearings of a cam-shaft

Forward bearing
45,072 – 45,102 mm
Average bearing
47,692 – 47,772 mm
Back bearing
48,072 – 48,102 mm

Laying of a head of the block of cylinders

Brand: Reinz.

Guides of valves

Openings of guides are executed directly in a head of the block of cylinders at an angle 7 °30'.

Nominal diameter
8,063 – 8,088 mm
Repair size:
  – excess 0,2
8,263 – 8,288 mm
  – excess 0,4
8,463 – 8,488 mm
  – excess 0,6
8,663 – 8,688 mm
  – excess 0,8
8,863 – 8,888 mm

Valves

Valves are installed in a head of the block of cylinders and 7 °30 are inclined at an angle' to a cylinder axis.

Valve inlet
Valve final
Valve length:
  – REC engine
111,75 – 112,75
111,15 – 112,15
  – NEL, NER engine
110,65 – 111,65
110,05 – 111,05
  – NRA, NRC engine
110,65 – 111,65
110,75 – 111,75
Diameter of a plate:
  – REC engine
41,80 – 42,20
34,00 – 34,40
  – NEL, NER, NRA, NRC engine
41,80 – 42,20
35,80 – 36,20
Valve stroke
10,10
10,10
The sizes of inlet valves, the general for all engines:
  – diameter of a core:
     • nominal
8,025 – 8,043 mm
     • repair size +0,2
8,225 – 8,243 mm
     • repair size +0,4
8,425 – 8,443 mm
     • repair size +0,6
8,625 – 8,643 mm
     • repair size +0,8
8,825 – 8,843 mm
  – a core gap in a guide
0,020 – 0,063 mm
The sizes of final valves, the general for all engines:
  – diameter of a core:
     • nominal
7,999 – 8,017 mm
     • repair size +0,2
8,199 – 8,217 mm
     • repair size +0,4
8,399 – 8,417 mm
     • repair size +0,6
8,599 – 8,617 mm
     • repair size +0,8
8,799 – 8,817 mm
  – a core gap in a guide
0,046 – 0,089 mm
Working gap of valves (at the cold engine):
  – inlet valve
0,20 mm
  – final valve
0,25 mm

Springs of valves

Identical springs are applied to inlet and final valves.

Diameter of a spring
23,445 – 23,95 mm
Diameter of a wire of a spring
3,87 – 3,93 mm
Number of rounds
4,7
Free length
47,00 mm

BLOCK OF CYLINDERS OF THE ENGINE

The block of cylinders of the engine is cast from cast iron. Cylinders are executed directly in the block of cylinders.

Width of the basic bearing
27,17 – 27,22 mm
Internal diameters of radical bearings (it is measured down):
  – nominal:
57,000 – 57,034 mm
  – repair size-0,25
56,750 – 56,784 mm
  – repair size-0,50
56,500 – 56,534 mm
  – repair size-0,75
56,250 – 56,284 mm
  – repair size-1,00
56,000 – 56,034 mm
Diameters of openings of nests of radical bearings in the block of cylinders:
  – nominal size
60,620 – 60,640 mm
  – repair size +0,4
61,020 – 61,040 mm

Diameters of cylinders (mm)

Engine
1,8 dm3
2,0 dm3
Designation
REC
NEL, NER, NRA, NRC
Diameters are nominal standard:
  – group 1
86,180 – 86,190
90,800 – 90,810
  – group 2
86,190 – 86,200
90,810 – 90,820
  – group 3
86,200 – 86,210
90,820 – 90,830
  – group 4
86,210 – 86,220
90,830 – 90,840
Diameters nominal with the admission:
  – group A
86,690 – 86,700
91,310 – 91,320
  – group B
86,700 – 86,710
91,320 – 91,330
  – group C
86,710 – 86,720
91,330 – 91,340
Diameters of the repair sizes:
  – standard
86,210 – 86,220
90,830 – 90,840
  – with the admission 0,5
86,710 – 86,720
91,330 – 91,340
  – with the admission 1,0
87,210 – 87,220
91,830 – 91,840

KRIVOSHIPNO-SHATUNNYY MECHANISM

Bent shaft

The steel bent shaft leans on five bearings.

Axial side play:
0,08 - 0,28 mm
Diameters of radical necks:
  – nominal size
56,970 – 56,990 mm
  – repair size-0,25
56,720 – 56,740 mm
  – repair size-0,50
56,470 – 56,490 mm
  – repair size-0,75
56,220 – 56,240 mm
  – repair size-1,00
55,970 – 55,990 mm
Gap in radical bearings
0,010 – 0,064 mm

Prevention

To take measurement by means of measuring cores of Plastigage.


Diameters of conrod necks:
  – nominal size
51,980 – 52,000 mm
  – repair size-0,25
51,730 – 51,750 mm
  – repair size-0,50
51,480 – 51,500 mm
  – repair size-0,75
51,230 – 51,250 mm
  – repair size-1,00
50,980 – 50,000 mm
Thickness of persistent half rings:
  – nominal size
2,30 – 2,35 mm
  – repair size
2,50 – 2,55 mm

Flywheel

The flywheel is fixed on a flange of a bent shaft by six bolts.

Intermediate shaft

The intermediate shaft is located in a forward part of the block of cylinders, on the left side. Provides the ignition distributor drive, and also oil and fuel pumps.

Axial gap: 0,050–0,204 mm.

Rods

Rods are shaped from steel and in section the dvutavrovy profile has them. The piston finger is pressed in a rod head.

Diameter of an opening of a head of a rod
23,964 – 23,976 mm
Finger tightness in a rod head
0,018 – 0,039 mm
Temperature of heating of a head of a rod in the course of installation of a finger
250 ° – 300 °C
Diameter of an opening of the basis of a rod
55,000 – 55,020 mm
Internal diameters of openings of connecting rods:
  – nominal size
52,006 – 52,044 mm
  – repair size-0,25
51,756 – 51,794 mm
  – repair size-0,50
51,706 – 51,744 mm
  – repair size-0,75
51,256 – 56,294 mm
  – repair size-1,00
51,006 – 51,044 mm
Gap in conrod bearings
0,006 – 0,064 mm

Prevention

To take measurement by means of measuring cores of Plastigage.


Admissible not perpendicularity of an axis of openings concerning a rod axis:
  – head opening
0,10 mm
  – basis opening
0.15 mm

Pistons

Pistons are manufactured of light alloy, without flutes on the carrying-out part, with the filled-in invarny ring limiting thermal changes of the sizes. In the top part there are three flutes for piston rings. The axis of an opening of a piston finger is displaced concerning a piston axis. Pistons are delivered in sets together with fingers and rods.

Installation method: the arrow at the bottom of the piston has to be directed towards a forward part of the engine (towards the drive of system of gas distribution).

 
Dm3 engine 1,8
Dm3 engine 2,0
Diameters are nominal standard:
  – group 1
86,145 – 86,155
90,765 – 90,775
  – group 2
86,155 – 86,165
90,775 – 90,785
  – group 3
86,165 – 86,175
90,785 – 90,795
  – group 4
86,175 – 86,185
90,795 – 90,805
Diameters of the repair sizes:
  – standard
86,170 – 86,195
90,790 – 90,815
  – with the admission 0,5
86,670 – 86,695
91,290 – 91,315
  – with the admission 1,0
87,170 – 87,195
91,790 – 91,815
Gap of new pistons in cylinders
0,015 – 0,050
0,015 – 0,050

Piston fingers

Fingers, are made of steel and subjected to heat treatment, pressed in heads of rods (hot installation at a temperature of head of 250 ° – 300 °C) and are turned in piston naves.

Length:
  – dm3 engine 1,8
68,0 – 68,8 mm
  – dm3 engine 2,0
72,0 – 72,8 mm
Diameter (mm):
  – designation in red color
23,994 – 23,997
  – designation in blue color
23,997 – 24,000
  – designation in yellow color
24,000 – 24,003
Gap in piston naves
0,008 – 0,014 mm
Tightness in a rod head
0,018 – 0,039 mm

Piston rings

Each piston has three rings: two sealing and one oil scraper.

Gap of the lock of the sealing rings (installed in the cylinder):
  – dm3 engines 1,8
0,30 – 0,50 mm
  – dm3 engine 2,0
0,38 – 0,48 mm
Gap of the lock of an oil scraper ring
0,40 – 1,40 mm
Arrangement of locks of rings:
  – sealing
on 150 ° (to the opposite sides) concerning the lock of an oil scraper ring
  – oil scraper
the lock of the holding apart spring is put according to the direction of an arrow at the bottom of the piston; locks of the top and lower plates are installed on 25 mm from the direction of an arrow to the right and to the left

SYSTEM OF GAS DISTRIBUTION

The camshaft is located in a head of the block of cylinders, sets in motion of the valve by means of the lever of valves and is put in action by a gear belt.

Working gap of valves (in a cold state):
  – inlet
0,20 mm
  – final
0,25 mm

Distribution phases

OZD
24 ° before VMT
ZZD
64 ° after NMT
OZW
70 ° before NMT
ZZW
18 ° after VMT

ZD and ZZD – respectively opening and closing of the inlet valve;
OZW and ZZW – respectively opening and closing of the final valve;
VMT and NMT – respectively the top and lower dead points.

Gear belt

Brand
Ford Powergrip
Type:
  – dm3 engines 1,8
70HM 6288 AA
  – dm3 engine 2,0
70HM 6268 AA
Number of teeths:
  – dm3 engines 1,8
119
  – dm3 engine 2,0
122

Camshaft

The camshaft rotates in three bearings.

Diameters of bearings of a cam-shaft:
  – forward
41,987 – 42,013 mm
  – average
44,607 – 44,633 mm
  – back
44,987 – 45,013 mm
Internal diameters of plugs of bearings:
  – forward
42,035 – 42,055 mm
  – average
44,655 – 44,675 mm
  – back
45,035 – 45,055 mm
Axial side play of a cam-shaft
0,104 – 0,204 mm
Thickness of persistent laying of a cam-shaft
3,96 – 4,01 mm
Raising of cams:
  – dm3 engine 1,8
5,9639 mm
  – dm3 engine 2,0
6,3323 mm
Height of cams:
  – dm3 engine 1,8
35,894 – 36,234 mm
  – dm3 engine 2,0
36,260 – 36,600 mm

LUBRICATION SYSTEM

Lubricant under pressure is provided by the gear oil pump in which case there is perepuskny a valve.

The minimum pressure of oil (at a temperature of 80 °C):
  – at 750 rpm
0,1 MPas
  – at 2000 rpm
0,5 MPas
Pressure of opening of the perepuskny valve (at 1000 rpm)
0,40 – 0,47 MPas
Pressure of fire of a control bulb of pressure of oil
0,03 MPas – 0,06 MPas
About reduction of level of engine oil the control bulb on a combination of devices signals.
The volume of engine oil in the engine, dm3:
  – with replacement of the filter
3,75
  – without replacement of the filter
3,25

Oil pump

The gear oil pump, with an internal arrangement of teeths, the Hobourn-Eaton type, is put in action from an intermediate shaft.

Gear wheel gap with an internal arrangement of teeths concerning the case
0,150 – 0,301 mm
Gap between teeths of gear wheels
0,05 – 0,20 mm
Axial gap of gear wheels
0,028 – 0,104 mm

Oil filter

Full bore the oil filter is located on the left side of the block of cylinders.

Brand and type: Motorcraft EFL 90.

COOLING SYSTEM

The closed cooling contour with nonfreezing liquid contains a radiator, a broad tank, the pump of cooling liquid, the thermostat and the fan.

Radiator and broad tank

The radiator with a cross stream has tanks from artificial material. The broad tank is made of transparent material and has designations of the maximum and minimum levels of cooling liquid. In the cars equipped with the automatic transmission in the right tank of a radiator the radiator of oil of the automatic transmission is located (type maslookhlazhdayushchy liquid).

Pressure of opening of the valve of excessive pressure in a stopper of a broad tank: 85–110 kPa.

Pump of cooling liquid

The centrifugal pump of cooling liquid located on a forward wall of the block of cylinders is put in action by a maple belt together with the generator.

Maple belt

Brand and type
Motorcraft 83 HF 6 C 301 AA
The tension (measured by special Ford adaptation):
  – new belt
400 – 500 N
  – the belt which was in the use
300 – 400 N
Deflection
10 mm in the middle of longer site under pressure of a thumb

Fan

It is made of artificial material, has seven blades, it is located on a shaft of the pump of cooling liquid and it is put in action by a maple belt together with the pump and the generator.

Thermostat

Wax, is located on the pipeline which is taking away cooling liquid from a head of the block of cylinders of the engine.

Temperature began opening
85 ° – 89 °C
Nominal temperature of opening
88 °C

Cooling liquid

Quantity
8 dm3
Type
mix of special nonfreezing Ford SSM 97 B 9103 A liquid and the distilled water (on 50%) form protection to -30 °C
Frequency of replacement
each 60 000 km of a run of the car or time in two years

TIGHTENING MOMENTS

Bolts of covers of radical bearings
88 – 102 Nanometers
Bolts of rods
26 – 33 Nanometers
Bolt of a pulley of a bent shaft
110 – 130 Nanometers
Cam-shaft pulley bolt
45 – 50 Nanometers
Flywheel bolts
67 – 70 Nanometers
Bolts of fastening of the oil pump
14 – 17 Nanometers
Bolts of a cover of the oil pump
9 – 13 Nanometers
Bolts of the oil pallet:
  – 1st stage
1 – 2 Nanometers
  – 2nd stage
6 – 8 Nanometers
  – the 3rd stage (after 20 minutes of operation of the engine)
8 – 10 Nanometers
Stopper of discharge of oil in the oil pallet
21 – 28 Nanometers
Oil pressure sensor
12 – 15 Nanometers
Bolts of adjustment of a gap of valves about levers of valves
50 – 55 Nanometers
Bolts of a head of the block of cylinders:
  – 1st stage
35 – 40 Nanometers
  – 2nd stage
70 – 75 Nanometers
  – the 3rd stage (10 – 20 min. later)
to tighten on a corner 90 °
  – the 4th stage (after 15 minutes of operation of the engine at the speed of 1000 rpm, at the hot engine)
95 – 115 Nanometers
Casing of system of gas distribution
13 – 17 Nanometers
Inlet collector
17 – 21 Nanometers
Final collector
21 – 25 Nanometers
Spark plugs
20 – 28 Nanometers
Thermostat case
17 – 21 Nanometers
Bolts of a cover of a head of the block of cylinders:
  – bolts 1 – 6
5 – 7 Nanometers
  – bolts 9 and 10
2 – 2,5 Nanometers
  – bolts 7 and 8
5 – 7 Nanometers
  – bolts 9 and 10
5 – 7 Nanometers