FORD SCORPIO

1985-1994 of release

Repair and car operation

3.1.1. A technical characteristics

THE GENERAL DATA

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

THE ENGINE

Key parametres

The engine	1,8 ОНС	2,0 ОНС	2,0 ОНС	2,0 ОНС	2,0 ОНС
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 (sm3)	1798	1993	1993	1993	1993
Compression degree	9,5	9,2	9,2	9,2	9,2
Pressure of compression (МПа)	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 twisting moment (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 executed from a special aluminium alloy and has the saddles of inlet valves executed directly in a material of a head of the block of cylinders, and saddles of final valves – запрессованные.

Designation:
– The engine in volume 1,8 дм3	85
– The engine in volume 2,0 дм3	0

Saddles of valves

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

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

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

The forward bearing	45,072 – 45,102 mm
The average bearing	47,692 – 47,772 mm
The back bearing	48,072 – 48,102 mm

Lining of a head of the block of cylinders

Mark: Reinz.

Directing valves

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

Nominal diameter	8,063 – 8,088 mm
The 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 established in a head of the block of cylinders and inclined at an angle 7°30 ' to a cylinder axis.

	The valve inlet	The valve final
Length of the valve:
– Engine REC	111,75 – 112,75	111,15 – 112,15
– Engine NEL, NER	110,65 – 111,65	110,05 – 111,05
– Engine NRA, NRC	110,65 – 111,65	110,75 – 111,75
Diameter of a plate:
– Engine REC	41,80 – 42,20	34,00 – 34,40
– Engine NEL, NER, NRA, NRC	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:
• the nominal	8,025 – 8,043 mm
• the repair size +0,2	8,225 – 8,243 mm
• the repair size +0,4	8,425 – 8,443 mm
• the repair size +0,6	8,625 – 8,643 mm
• the repair size +0,8	8,825 – 8,843 mm
– A core backlash in the directing	0,020 – 0,063 mm
The sizes of final valves, the general for all engines:
– Diameter of a core:
• the nominal	7,999 – 8,017 mm
• the repair size +0,2	8,199 – 8,217 mm
• the repair size +0,4	8,399 – 8,417 mm
• the repair size +0,6	8,599 – 8,617 mm
• the repair size +0,8	8,799 – 8,817 mm
– A core backlash in the directing	0,046 – 0,089 mm
Working backlash of valves (at the cold engine):
– The inlet valve	0,20 mm
– The 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 coils	4,7
Free length	47,00 mm

THE BLOCK OF CYLINDERS OF THE ENGINE

The block of cylinders of the engine is cast from pig-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 on a vertical):
– The nominal:	57,000 – 57,034 mm
– The repair size-0,25	56,750 – 56,784 mm
– The repair size-0,50	56,500 – 56,534 mm
– The repair size-0,75	56,250 – 56,284 mm
– The repair size-1,00	56,000 – 56,034 mm
Diameters of apertures of nests of radical bearings in the block of cylinders:
– The nominal size	60,620 – 60,640 mm
– The repair size +0,4	61,020 – 61,040 mm

Diameters of cylinders (mm)

The engine	1,8 дм3	2,0 дм3
Designation	REC	NEL, NER, NRA, NRC
Diameters the 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 And	86,690 – 86,700	91,310 – 91,320
– Group In	86,700 – 86,710	91,320 – 91,330
– Group With	86,710 – 86,720	91,330 – 91,340
Diameters of the repair sizes:
– The 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-SHATUNNYJ THE MECHANISM

Cranked shaft

The steel cranked shaft leans against five bearings.

Axial люфт:	0,08 - 0,28 mm
Diameters of radical necks:
– The nominal size	56,970 – 56,990 mm
– The repair size-0,25	56,720 – 56,740 mm
– The repair size-0,50	56,470 – 56,490 mm
– The repair size-0,75	56,220 – 56,240 mm
– The repair size-1,00	55,970 – 55,990 mm
Backlash in radical bearings	0,010 – 0,064 mm
The prevention Measurement to spend by means of measuring cores Plastigage.
Diameters шатунных necks:
– The nominal size	51,980 – 52,000 mm
– The repair size-0,25	51,730 – 51,750 mm
– The repair size-0,50	51,480 – 51,500 mm
– The repair size-0,75	51,230 – 51,250 mm
– The repair size-1,00	50,980 – 50,000 mm
Thickness of persistent half rings:
– The nominal size	2,30 – 2,35 mm
– The repair size	2,50 – 2,55 mm

Flywheel

The flywheel is fixed on a flange of a cranked 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 a drive of the distributor of ignition, and also oil and fuel pumps.

Axial backlash: 0,050–0,204 mm.

Rods

Rods are shaped from a steel and in section them has двутавровый a profile. A piston finger запрессован in a rod head.

Diameter of an aperture 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 finger installation	250 ° – 300°С
Diameter of an aperture of the basis of a rod	55,000 – 55,020 mm
Internal diameters of apertures шатунных loose leaves:
– The nominal size	52,006 – 52,044 mm
– The repair size-0,25	51,756 – 51,794 mm
– The repair size-0,50	51,706 – 51,744 mm
– The repair size-0,75	51,256 – 56,294 mm
– The repair size-1,00	51,006 – 51,044 mm
Backlash in шатунных bearings	0,006 – 0,064 mm
The prevention Measurement to spend by means of measuring cores Plastigage.
Admissible неперпендикулярность axes of apertures concerning a rod axis:
– A head aperture	0,10 mm
– A basis aperture	0.15 mm

Pistons

Pistons are made of an easy alloy, without flutes on a spending part, with filled in инварным a ring limiting thermal changes of the sizes. In the top part there are three flutes for piston rings. The axis of an aperture of a piston finger is displaced concerning a piston axis. Pistons are delivered in complete sets together with fingers and rods.

Installation method: the arrow at the bottom of the piston should be directed towards a forward part of the engine (towards a system drive timing).

	The engine 1,8 дм3	The engine 2,0 дм3
Diameters the 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:
– The standard	86,170 – 86,195	90,790 – 90,815
– With the admission 0,5	86,670 – 86,695	91,290 – 91,315
– c the admission 1,0	87,170 – 87,195	91,790 – 91,815
Backlash of new pistons in cylinders	0,015 – 0,050	0,015 – 0,050

Piston fingers

Fingers, are made of a steel and subjected thermal processing, запрессованы in heads of rods (hot installation at temperature of a head 250 ° – 300 °) and are turned in piston naves.

Length:
– The engine 1,8 дм3	68,0 – 68,8 mm
– The engine 2,0 дм3	72,0 – 72,8 mm
Diameter (mm):
– A designation red colour	23,994 – 23,997
– A designation dark blue colour	23,997 – 24,000
– A designation yellow colour	24,000 – 24,003
Backlash in piston naves	0,008 – 0,014 mm
Tightness in a head шатунa	0,018 – 0,039 mm

Piston rings

Each piston has three rings: two sealing and one маслосъемное.

Backlash of the lock of sealing rings (established in the cylinder):
– Engines 1,8 дм3	0,30 – 0,50 mm
– The engine 2,0 дм3	0,38 – 0,48 mm
Lock backlash маслосъемного rings	0,40 – 1,40 mm
Arrangement of locks of rings:
– The sealing	On 150 ° (in opposite sides) concerning the lock маслосъемного rings
– маслосъемного	The lock of a holding apart spring is established according to a direction of an arrow at the bottom of the piston; locks of the top and bottom plates are established on 25 mm to the right and to the left from an arrow direction

SYSTEM GAZORASPREDELENIJA

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

Working backlash of valves (in a cold condition):
– The inlet	0,20 mm
– The final	0,25 mm

Distribution phases

OZD	24 ° before ВМТ
ZZD	64 ° after НМТ
OZW	70 ° before НМТ
ZZW	18 ° after ВМТ

ZD and ZZD – accordingly opening and closing of the inlet valve;
OZW and ZZW – accordingly opening and closing of the final valve;
ВМТ and НМТ – accordingly the top and bottom dead points.

Gear belt

Mark	Ford Powergrip
Type:
– Engines 1,8 дм3	70НМ 6288 АА
– The engine 2,0 дм3	70НМ 6268 АА
Number of teeths:
– Engines 1,8 дм3	119
– The engine 2,0 дм3	122

Camshaft

The camshaft rotates in three bearings.

Diameters of bearings of a cam-shaft:
– The forward	41,987 – 42,013 mm
– An average	44,607 – 44,633 mm
– The back	44,987 – 45,013 mm
Internal diameters of plugs of bearings:
– The forward	42,035 – 42,055 mm
– An average	44,655 – 44,675 mm
– The back	45,035 – 45,055 mm
Axial люфт a cam-shaft	0,104 – 0,204 mm
Thickness of persistent linings of a cam-shaft	3,96 – 4,01 mm
Lifting of cams:
– The engine 1,8 дм3	5,9639 mm
– The engine 2,0 дм3	6,3323 mm
Height of cams:
– The engine 1,8 дм3	35,894 – 36,234 mm
– The engine 2,0 дм3	36,260 – 36,600 mm

GREASING SYSTEM

Greasing under pressure provides шестеренчатый the oil pump in which case is перепускной the valve.

The minimum pressure of oil (at temperature 80°С):
– At 750 rpm	0,1 МПа
– At 2000 rpm	0,5 МПа
Pressure of opening перепускного the valve (at 1000 rpm)	0,40 – 0,47 МПа
Pressure of fire of a control bulb of pressure of oil	0,03 МПа – 0,06 МПа
About reduction of level of engine oil the control bulb on a combination of devices signals.
Engine oil volume in the engine, дм3:
– With filter replacement	3,75
– Without filter replacement	3,25

The oil pump

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

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

The oil filter

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

Mark and type: Motorcraft EFL 90.

COOLING SYSTEM

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

Radiator and broad tank

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

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

The pump of a cooling liquid

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

Klinovoj belt

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

The fan

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

The thermostat

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

Temperature of the beginning of opening	85 ° – 89 ° WITH
Nominal temperature of opening	88 ° WITH

Cooling liquid

Quantity	8 дм3
Type	Mix of special nonfreezing liquid Ford SSM 97 B 9103 A and the distilled water (on 50 %) form protection to-30 ° With
Periodicity of replacement	Each 60 000 km of run of the car or time in two years

THE TIGHTENING MOMENTS

Bolts of covers of radical bearings	88 – 102 Nanometers
Bolts of rods	26 – 33 Nanometers
Bolt of a pulley of a cranked shaft	110 – 130 Nanometers
Bolt of a pulley of a cam-shaft	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
– 3rd stage (after 20 minutes of work of the engine)	8 – 10 Nanometers
Stopper oil plum in the oil pallet	21 – 28 Nanometers
The gauge of pressure of oil	12 – 15 Nanometers
Bolts of adjustment of a backlash 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
– 3rd stage (later 10 – 20 mines)	To tighten on a corner 90 °
– 4th stage (after 15 minutes of work of the engine at number of turns of 1000 rpm, at the hot engine)	95 – 115 Nanometers
System casing timing	13 – 17 Nanometers
Inlet collector	17 – 21 Nanometers
Final collector	21 – 25 Nanometers
Spark plugs	20 – 28 Nanometers
The 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