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
   + 3.2. DOHC engine
   - 3.3. V6 engine
      3.3.1. Technical characteristic
      3.3.2. The repair which is not demanding removal of the engine
      3.3.3. Removal of the engine
      + 3.3.4. Dismantling and check of details of the engine
      + 3.3.5. Changes in a design of V6 2,4 engines and 2,9 dm3
   + 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

3.3. V6 engine

3.3.1. Technical characteristic

GENERAL INFORMATION

Motor compartment with the dm3 V6 2,8 engine

1 – accumulator,
2 – rack,
3 – air filter,
4 – air stream measuring instrument,
5 – headlights,
6 – шильдик adjustments,
7 – cover of an additional headlight,
8 – hose of ventilation of a case,
9 – throttle cover,
10 – kick-down switch and cable of an accelerator,
11 – camera of elevated pressure,
12 – valve of management of turns
idling,
13 – top hose of a radiator,
14 – maslozalivny cover,
15 – tank of the hydraulic booster of steering,
16 – sound signal,
17 – washer liquid level sensor,
18 – windshield washer pump,
19 – washer reservoir,
20 – sensor of level of cooling liquid,
21 – broad tank,
22 – holders of the engine,
23 – heater hose,
24 – drive of the hydraulic brake system,
25 – a tank for brake fluid,
26 – hydraulic accumulator of the brake system,
27 – block of safety locks,
28 – screen wiper engine,
29 – zabornik of a heater,
30 – fuel pressure regulator,
31 – distributor cover,
32 – oil level measuring instrument,
33 – the oil level measuring instrument in the automatic transmission

The V6 engine with the top arrangement of valves and the lower arrangement of the camshaft in the block of cylinders of the engine which is put in action through kosozuby gear transfer from a bent shaft (the dm3 V6 2,8 engine) or a chain (V6 2,4 engines and 2,8 dm3).

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

The block of cylinders is manufactured of cast iron. In the lower part of the block the oil pallet stamped from sheet steel or cast from aluminum alloy is located.

The pistons from aluminum alloy connected to a bent shaft by means of double-T section rods.

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

Lubricant under pressure is carried out by means of the two-rotor oil pump.

ENGINE

Key parameters

Engine
2,4 V6
2,8 V6
2,9 V6
2,9 V6
2,9 V6
Designation
AKC
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, (cm3)
2394
2792
2933
2933
2933
Extent of compression
9,5
9,2
9,5
9,0
9,0
Pressure of compression, (MPa)
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 torque (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 made of special aluminum alloy.

Designation:
  – dm3 engine 4,8
H
  – dm3 engine 2,8
EN
  – engine 2,9 of dm3 (BRC)
F
  – engine 2,9 of dm3 (BRD and BRE)
K
Saddles of valves:
  – 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 lower plane of a head of the block of cylinders is not provided.

VALVES

Sizes of inlet valves

Name
V6 2,4 dm3
and 2,9 BRC
V6 2,8 dm3
V6 2,9 dm3
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:
  – standard
8,025 – 8,043
8,025 – 8,043
8,025 – 8,043
  – increased by +0,2, +0,4, +0,6 and +0,8 mm

Core gap in a guide: 0,020 – 0,063 mm.

Sizes of final valves

Name
V6 2,4 dm3
and 2,9 BRC
V6 2,8 dm3
V6 2,9 dm3
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:
  – standard
7,999 – 8,017
7,999 – 8,017
7,999 – 8,017
  – increased by +0,2, +0,4, +0,6 and +0,8 mm

Identification of maslootrazhatelny caps on color

Standard size
White
Increased by 0,2 mm
Red
Increased by 0,4 mm
Blue
Increased by 0,6 mm
Green
Increased by 0,8 mm
Black

Working gap of valves (at the cold engine)

Inlet valve
0,35 mm
Final valve
0,40 mm

Core gap in a guide: 0,046 – 0,089 mm.

Springs of valves

Identical springs are applied to inlet and final valves.

Free length:
  – dm3 engine 2,4
55,12 mm
  – dm3 engine 2,8
52,50 mm
  – engine 2,9 of dm3 (BRC)
52,50 mm
  – engine 2,9 of dm3 (BRD and BRE)
53,00 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.

Designation:
  – dm3 engine 2,4
D
  – dm3 engine 2,8
E
  – dm3 engine 2,9
F
Diameter of a bed of radical bearings:
  – standard
60,620 – 60,640 mm
  – increased
61,000 – 61,020 mm
Diameter of a bed of bearings of the camshaft:
  – forward
47,025 – 47,060 mm
  – forward central
46,645 – 46,680 mm
  – back central
46,265 – 46,300 mm
  – back
45,885 – 45,920 mm

Diameters of cylinders (mm)

Engine
2,4 dm3
2,8 and 2,9 dm3
Diameters are 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
  – office
84,030 – 84,040
93,040 – 93,050
Diameters increased:
  – group A
84,510 – 84,520
93,520 – 93,530
  – group B
84,520 – 84,530
93,530 – 93,540
  – group C
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-SHATUNNYY MECHANISM

Bent shaft

The steel bent shaft leans on four bearings.

Measurement should be taken by means of measuring cores of Plastigage.

Axial side play
0,08 – 0,20 mm
Diameters of necks of radical bearings
56,980 – 57,00 mm
Gap in radical bearings
0,008 – 0.062 mm
Diameters of conrod necks
53,980 – 54,000 mm
Gap in conrod bearings
0,006 – 0,064 mm
Width of the basic bearing (3rd)
26,39 – 26,44 mm
Admissible reduction of diameter of radical and conrod necks (except the dm3 engine 2,8)
0,254 mm

Flywheel

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

Rods

Rods are shaped from steel, and in section have a dvutavrovy profile. The piston finger is pressed in a rod head.

Diameter of an opening 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 installation of a finger
250 ° – 300 °C
Diameter of an opening of the basis of a rod
56,820 – 56,840 mm
Admissible not perpendicularity of an axis of openings concerning a rod axis:
  – head opening
0,10 mm
  – basis opening
0,15 mm

Pistons

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).

Sizes of pistons (mm)

Engine
2,4 dm3
2,8 and 2,9 dm3
Diameters are 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
  – 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
Gap of new pistons in cylinders
0,028 – 0,048
0,020 – 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.

Diameter (mm):
  – designation in red color
23,994 – 23,997
  – designation in blue color
23,997 – 24,000
Gap 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 oil scraper.

Gap of the lock of the sealing rings (installed in the cylinder):
  – dm3 engine 2,4 and 2,9
0,3 – 0,5 mm
  – dm3 engine 2,8
0,38 – 0,58 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 the block of cylinders, sets in motion of the valve by means of pushers and levers of valves and is put in action by gear or chain transfer.

Working gap of valves (in a cold state):

  – inlet
0,35 mm
  – final
0,40 mm

Distribution phases

Engine
2,4 dm3
and 2,9 BRC
2,8 dm3
2,9 dm3 of BRD and BRE
OZD
24 ° before VMT
26 ° 30' before VMT
30 ° before VMT
ZZD
64 ° after NMT
69 ° 30' after NMT
66 ° after NMT
OZW
66 ° before NMT
75 ° 30' before NMT
76 ° before NMT
ZZW
22 ° after VMT
22 ° 30' after VMT
20 ° after VMT

OZD 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.

Camshaft

The camshaft rotates in four bearings.

Diameters of bearings of the camshaft:
  – forward
43,903 – 43,923 mm
  – forward central
43,522 – 43,542 mm
  – back central
43,141 – 43,161 mm
  – back
42,760 – 42,780 mm
Internal diameters of plugs of bearings:
  – forward
43,948 – 43,968 mm
  – forward central
43,567 – 43,587 mm
  – back central
43,186 – 43,206 mm
  – back
42,805 – 42,825 mm
Axial side play of the camshaft
0,02 – 0,10 mm
Thickness of a persistent flange of the camshaft:
  – red
3,960 – 3,985 mm
  – blue
3,986 – 4,011 mm
Thickness of laying of the camshaft:
  – red
4,075 – 4,100 mm
  – become blue
4,101 – 4,125 mm
Raising of cams:
  – inlet:
     • dm3 engine 2,4
6,72 mm
     • dm3 engine 2,8
6,70 mm
     • engine 2,9 of dm3 (BRC)
6,72 mm
     • engine 2,9 of dm3 (BRD and BRE)
6,54 mm
  – final
6,6 mm
     • dm3 engine 2,4
6,72 mm
     • dm3 engine 2,8
6,60 mm
     • engine 2,9 of dm3 (BRC)
6,72 mm
     • engine 2,9 of dm3 (BRD and BRE)
6,54 mm
Height of cams:
  – inlet:
     • dm3 engine 2,4
36,08 – 36,25 mm
     • dm3 engine 2,8
35,995 – 36,165 mm
     • engine 2,9 of dm3 (BRC)
36,08 – 36,25 mm
     • engine 2,9 of dm3 (BRD and BRE)
36,22 – 36,41 mm
  – final:
     • dm3 engine 2,4
36,08 – 36,25 mm
     • dm3 engine 2,8
35,895 – 36,065 mm
     • engine 2,9 of dm3 (BRC)
36,08 – 36,25 mm
     • engine 2,9 of dm3 (BRD and BRE)
36,22 – 36,41 mm

LUBRICATION SYSTEM

Lubricant under pressure is provided by the rotor 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.
2,5 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
The volume of engine oil in the engine, dm3:
  – with replacement of the filter
4,25
  – without replacement of the filter
4,00

Oil pump

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

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

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.

Pressure of opening of the valve of excessive pressure in a stopper of a broad tank
120 – 150 kPa

Pump of cooling liquid

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

Thermostat

Temperature began opening
79 ° – 83 °C
Temperature of full opening
102 ± 3 °C

Cooling liquid

Quantity
8,6 dm3
Type
mix of special nonfreezing Ford SSM 97 B 9103 A liquid (50%) and the distilled water (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
90 – 104 Nanometers
Bolts of rods
26 – 33 Nanometers
Bolt of a pulley of a bent shaft
115 – 130 Nanometers
Camshaft gear wheel bolt
42 – 50 Nanometers
Bolts of a persistent flange of the camshaft
17 – 21 Nanometers
Flywheel bolts
67 – 70 Nanometers
Bolts of fastening of a damper to a bent 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 of discharge of oil in the oil pallet
21 – 28 Nanometers
Oil pressure sensor
12 – 15 Nanometers
Oil cooler
20 – 40 Nanometers
Bolts of axes of yokes
62 – 70 Nanometers
Bolts of a head of the block of cylinders (Torx):
  – 1st stage
35 – 40 Nanometers
  – 2nd stage
70 – 75 Nanometers
– the 3rd stage (10 – 20 min. later)
to tighten on a corner 90 °
Cover of system of gas distribution to the block of cylinders
17 – 21 Nanometers
Cover of system of gas distribution 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
Thermostat case
17 – 21 Nanometers
Bolts of a cover of a head of the block of cylinders
6 – 8 Nanometers