FORD SCORPIO

1985-1994 of release

Repair and car operation

3.3.1. A technical characteristics

THE GENERAL DATA

Motor compartment with engine V6 2,8 дм³

1 – the accumulator, 2 – a rack, 3 – the air filter, 4 – a measuring instrument of a stream of air, 5 – headlights, 6 – шильдик adjustments, 7 – a cover of an additional headlight, 8 – a ventilation hose картера, 9 – a cover of a throttle, 10 – the switch "kick-down" and a cable of an accelerator, 11 – the chamber of an elevated pressure, 12 – the valve of management of turns Idling, 13 – the top hose of a radiator, 14 – маслозаливная a cover, 15 – a tank of the hydraulic booster of a steering, 16 – a sound signal, 17 – the gauge of level of a liquid of a washer,

18 – the pump of a washer of a windscreen, 19 – a tank of a washer, 20 – the gauge of level of a cooling liquid, 21 – a broad tank, 22 – holders of the engine, 23 – a hose of a heater, 24 – a drive of hydraulic brake system, 25 – a tank for a brake liquid, 26 – the hydraulic accumulator of brake system, 27 – the block of safety locks, 28 – the engine of a screen wiper, 29 – заборник a heater, 30 – a regulator of pressure of fuel, 31 – a cover of the distributor, 32 – a measuring instrument of level of oil, 33 – a measuring instrument of level of oil in an automatic transmission

Engine V6 with the top arrangement of valves and the bottom arrangement of a camshaft in the block of cylinders of the engine which is put in action through косозубую шестеренчатую transfer from a cranked shaft (engine V6 2,8 дм³) or a chain (engines V6 2,4 and 2,8 дм³).

Heads of the block of cylinders are established in such a manner that the inlet collector is located between them, and final collectors from outer sides of collectors.

The block of cylinders is made of pig-iron. In the bottom part of the block the oil pallet stamped from a sheet steel or cast from an aluminium alloy is located.

Pistons from the aluminium alloy, connected to cranked shaft by means of rods двутаврового sections.

The cranked shaft rotates in four bearings, axial люфт is regulated by the persistent half rings established on the third radical bearing.

Greasing under pressure is carried out with the help двухроторного the oil pump.

THE ENGINE

Key parametres

The engine	2,4 V6	2,8 V6	2,9 V6	2,9 V6	2,9 V6
Designation	АКС		BRC	BRD	BRE
Diameter of the cylinder, (mm)	84,00	93,00	93,00	93,00	93,00
Piston stroke, (mm)	72,00	68,50	71,99	71,99	71,99
Volume, (sm3)	2394	2792	2933	2933	2933
Compression degree	9,5	9,2	9,5	9,0	9,0
Pressure of compression, (МПа)		1,15 – 1,25
Rated power:
– Kw at rpm.	96 at 5800	110 at 5800	110 at 5700	107 at 5500	107 at 5500
– H.p. at rpm.	131 at 5800	150 at 5800	150 at 5700	146 at 5500	146 at 5500
The maximum twisting moment (Nanometer at rpm.)	193 at 3000	216 at 3000	233 at 3000	222 at 3000	226 at 3000

HEAD OF THE BLOCK OF CYLINDERS

The head is executed from a special aluminium alloy.

Designation:
– The engine 4,8 дм3	H
– The engine 2,8 дм3	EN
– The engine 2,9 дм3 (BRC)	F
– The engine 2,9 дм3 (BRD and BRE)	K
Saddles of valves:
– A corner of a working facet of valves	44,30 – 45,00 °
– Width of a working facet of a saddle of the valve	1,61 – 2,33 mm

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

VALVES

The sizes of inlet valves

The name	V6 2,4 дм3 And 2,9 BRC	V6 2,8 дм3	V6 2,9 дм3
Diameter of a plate, mm	39,67 – 40,00	41,85 – 42,24	41,85 – 42,24
Length of the valve, mm	106,2 – 106,9	105,25 – 106,96	104,7 – 105,4
Diameter of a core, mm:
– The standard	8,025 – 8,043	8,025 – 8,043	8,025 – 8,043
– The increased on +0,2, +0,4, +0,6 and +0,8 mm

Core backlash in the directing: 0,020 – 0,063 mm.

The sizes of final valves

The name	V6 2,4 дм3 And 2,9 BRC	V6 2,8 дм3	V6 2,9 дм3
Diameter of a plate, mm	33,83 – 34,21	35,83 – 36,21	41,85 – 42,24
Length of the valve, mm	106,1 – 107,1 BRC 106,8 – 107,8	105,20 – 106,20	104,6 – 105,6
Diameter of a core, mm:
– The standard	7,999 – 8,017	7,999 – 8,017	7,999 – 8,017
– The increased on +0,2, +0,4, +0,6 and +0,8 mm

Identification маслоотражательных caps on colour

The standard size	The white
Increased by 0,2 mm	The red
Increased by 0,4 mm	Dark blue
Increased by 0,6 mm	The green
Increased by 0,8 mm	The black

Working backlash of valves (at the cold engine)

The inlet valve	0,35 mm
The final valve	0,40 mm

Core backlash in the directing: 0,046 – 0,089 mm.

Springs of valves

Identical springs are applied to inlet and final valves.

Free length:
– The engine 2,4 дм3	55,12 mm
– The engine 2,8 дм3	52,50 mm
– The engine 2,9 дм3 (BRC)	52,50 mm
– The engine 2,9 дм3 (BRD and BRE)	53,00 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.

Designation:
– The engine 2,4 дм3	D
– The engine 2,8 дм3	E
– The engine 2,9 дм3	F
Diameter of bed of radical bearings:
– The standard	60,620 – 60,640 mm
– The increased	61,000 – 61,020 mm
Diameter of bed of bearings of a camshaft:
– The forward	47,025 – 47,060 mm
– The forward central	46,645 – 46,680 mm
– The back central	46,265 – 46,300 mm
– The back	45,885 – 45,920 mm

Diameters of cylinders (mm)

The engine	2,4 дм3	2,8 and 2,9 дм3
Diameters the nominal standard:
– Group 1	84,000 – 84,010	93,010 – 93,020
– Group 2	84,010 – 84,020	93,020 – 93,030
– Group 3	84,020 – 84,030	93,030 – 93,040
– Group 4	84,030 – 84,040	93,040 – 93,050
– The office	84,030 – 84,040	93,040 – 93,050
Diameters increased:
– Group And	84,510 – 84,520	93,520 – 93,530
– Group In	84,520 – 84,530	93,530 – 93,540
– Group With	84,530 – 84,540	93,540 – 93,550
Diameters of the repair sizes:
– With the admission 0,5	84,530 – 84,540	93,540 – 93,550
– With the admission 1,0	85,030 – 85,040	94,040 – 94,050

KRIVOSHIPNO-SHATUNNYJ THE MECHANISM

Cranked shaft

The steel cranked shaft leans against four bearings.

Measurement should be spent by means of measuring cores Plastigage.

Axial люфт	0,08 – 0,20 mm
Diameters of necks of radical bearings	56,980 – 57,00 mm
Backlash in radical bearings	0,008 – 0.062 mm
Diameters шатунных necks	53,980 – 54,000 mm
Backlash in шатунных bearings	0,006 – 0,064 mm
Width of the basic bearing (3rd)	26,39 – 26,44 mm
Admissible reduction of diameter radical and шатунных necks (except the engine 2,8 дм3)	0,254 mm

Flywheel

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

Rods

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

Diameter of an aperture of a head of a rod	23,958 – 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 ° WITH
Diameter of an aperture of the basis of a rod	56,820 – 56,840 mm
Admissible неперпендикулярность axes of apertures concerning a rod axis:
– A head aperture	0,10 mm
– A basis aperture	0,15 mm

Pistons

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 sizes of pistons (mm)

The engine	2,4 дм3	2,8 and 2,9 дм3
Diameters the nominal standard:
– Group 1	83,962 – 83,972	92,972 – 92,982
– Group 2	83,972 – 83,982	92,982 – 92,992
– Group 3	83,982 – 83,992	92,992 – 93,002
– Group 4	83,992-84,002	93,002 – 93,012
– The office	83,978 – 84,002	93,000 – 93,020
Diameters of the repair sizes:
– With the admission 0,5	84,478 – 84,502	93,500 – 93,520
– With the admission 1,0	84,978 – 85,002	94,000 – 94,020
Backlash of new pistons in cylinders	0,028 – 0,048	0,020 – 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.

Diameter (mm):
– A designation red colour	23,994 – 23,997
– A designation dark blue colour	23,997 – 24,000
Backlash in piston naves	0,008 – 0,014 mm
Tightness in a rod head	0,018 – 0,042 mm

Piston rings

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

Backlash of the lock of sealing rings (established in the cylinder):
– The engine 2,4 and 2,9 дм3	0,3 – 0,5 mm
– The engine 2,8 дм3	0,38 – 0,58 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 the block of cylinders, actuates the valve by means of pushers and levers of valves and is put in action шестеренчатой or chain transfer.

Working backlash of valves (in a cold condition):
– The inlet	0,35 mm
– The final	0,40 mm

Distribution phases

The engine	2,4 дм3 And 2,9 BRC	2,8 дм3	2,9 дм3 BRD and BRE
OZD	24 ° before ВМТ	26 ° 30 ' before ВМТ	30 ° before ВМТ
ZZD	64 ° after НМТ	69 ° 30 ' after НМТ	66 ° after НМТ
OZW	66 ° before НМТ	75 ° 30 ' before НМТ	76 ° before НМТ
ZZW	22 ° after ВМТ	22 ° 30 ' after ВМТ	20 ° after ВМТ

OZD 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.

Camshaft

The camshaft rotates in four bearings.

Diameters of bearings of a camshaft:
– The forward	43,903 – 43,923 mm
– The forward central	43,522 – 43,542 mm
– The back central	43,141 – 43,161 mm
– The back	42,760 – 42,780 mm
Internal diameters of plugs of bearings:
– The forward	43,948 – 43,968 mm
– The forward central	43,567 – 43,587 mm
– The back central	43,186 – 43,206 mm
– The back	42,805 – 42,825 mm
Axial люфт a camshaft	0,02 – 0,10 mm
Thickness of a persistent flange of a camshaft:
– The red	3,960 – 3,985 mm
– Dark blue	3,986 – 4,011 mm
Thickness of linings of a camshaft:
– The red	4,075 – 4,100 mm
– Dark blue	4,101 – 4,125 mm
Lifting of cams:
– The inlet:
• the engine 2,4 дм3	6,72 mm
• the engine 2,8 дм3	6,70 mm
• the engine 2,9 дм3 (BRC)	6,72 mm
• the engine 2,9 дм3 (BRD and BRE)	6,54 mm
– The final	6,6 mm
• the engine 2,4 дм3	6,72 mm
• the engine 2,8 дм3	6,60 mm
• the engine 2,9 дм3 (BRC)	6,72 mm
• the engine 2,9 дм3 (BRD and BRE)	6,54 mm
Height of cams:
– The inlet:
• the engine 2,4 дм3	36,08 – 36,25 mm
• the engine 2,8 дм3	35,995 – 36,165 mm
• the engine 2,9 дм3 (BRC)	36,08 – 36,25 mm
• the engine 2,9 дм3 (BRD and BRE)	36,22 – 36,41 mm
– The final:
• the engine 2,4 дм3	36,08 – 36,25 mm
• the engine 2,8 дм3	35,895 – 36,065 mm
• the engine 2,9 дм3 (BRC)	36,08 – 36,25 mm
• the engine 2,9 дм3 (BRD and BRE)	36,22 – 36,41 mm

GREASING SYSTEM

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

The minimum pressure of oil (at temperature 80 °):
– At 750 rpm.	0,1 МПа
– At 2000 rpm.	2,5 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
Engine oil volume in the engine, дм3:
– With filter replacement	4,25
– Without filter replacement	4,00

The oil pump

Роторный the oil pump, with an internal arrangement of teeths, is put in action from a camshaft.

Backlash of a gear wheel with an internal arrangement of teeths concerning the case	0,150 – 0,300 mm
Backlash between teeths of gear wheels	0,05 – 0,20 mm
Axial backlash of gear wheels	0,003 – 0,100 mm

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.

Pressure of opening of the valve of superfluous pressure in a stopper of a broad tank

120 – 150 кПа

The pump of a cooling liquid

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

The thermostat

Temperature of the beginning of opening	79 ° – 83 ° WITH
Temperature of full opening	102 ± 3 ° With

Cooling liquid

Quantity	8,6 дм3
Type	Mix of special nonfreezing liquid Ford SSM 97 B 9103 A (50 %) and the distilled water (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	90 – 104 Nanometers
Bolts of rods	26 – 33 Nanometers
Bolt of a pulley of a cranked shaft	115 – 130 Nanometers
Bolt of a gear wheel of a camshaft	42 – 50 Nanometers
Bolts of a persistent flange of a camshaft	17 – 21 Nanometers
Flywheel bolts	67 – 70 Nanometers
Fastening bolts демпфера to a cranked shaft:
– 1st stage	40 – 50 Nanometers
– 2nd stage	To tighten on a corner 90 °
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	4 – 6 Nanometers
– 2nd stage	7 – 10 Nanometers
Stopper oil plum in the oil pallet	21 – 28 Nanometers
The gauge of pressure of oil	12 – 15 Nanometers
Маслоохладитель	20 – 40 Nanometers
Bolts of axes коромысел	62 – 70 Nanometers
Bolts of a head of the block of cylinders (Torx):
– 1st stage	35 – 40 Nanometers
– 2nd stage	70 – 75 Nanometers
– 3rd stage (later 10 – 20 mines)	To tighten on a corner 90 °
System cover timing to the block of cylinders	17 – 21 Nanometers
System cover timing to an intermediate flange	13 – 17 Nanometers
Intermediate flange to the block of cylinders	17 – 21 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	6 – 8 Nanometers