FORD'S SCORPIO

1985-1994 of launch

Repair and operation of the car



Ford Skorpio
+1.1. Identification of the car
+ 2. Maintenance
- 3. Motors
   +3.1. Motor of OHC
   +3.2. Motor of DOHC
   +3.3. Motor of V6
   +3.4. Systems of ignition and management of motor
   -3.5. Diesel engines
      3.5.1. Technical characteristic
      3.5.2. The repair that does not demand the removal of the motor
      3.5.3. Check and adjust of valves slits
      +3.5.4. Fuel system
      +3.5.5. Head of the cylinder block
      3.5.6. Removal and installation of the motor
      +3.5.7. Desmontagem, repair and meeting of the motor
      3.5.8. Turbocompressor
      +3.5.9. Lubrication system
      +3.5.10. System cooling
      3.5.11. Bad functioning standard of the motor
+4. System cooling
+5. Fuel system
+6. Union
+7. Transmissions
+8. Driving axle and rear bridge
+9. Direction
+10. Supports of the triangular form of interruption
+11. Brakes system
+12. Wheels and tires
+13. Body
+14. Electric equipment


bfe6b27a


3.5.1. Technical characteristic

GENERAL INFORMATION

MOTOR

The code of the motor (it is in the cylinder block near to the probe)
STR, N-STR, SFA, SF, 4AB, 4BA, 4CA
Number of cylinders
4 successively
Operational cylinders proceeding
1-3-4-2
Diameter of the cylinder
94,00 mm
Piston blow
90,0 mm
Work volume
2.499 cm3
Compression point
23,0
Pressure in a motor provorachivaniye an author
20 - 25
Power of kW/h.p.:
  – Motor of STR
51/69 in 4.200 revolutions per minute.
  – Motor of SFA
68/92 in 4.150 revolutions per minute.
  – Motor of SF
85/115 in 4.200 revolutions per minute.
The very torque:
  – Motor of STR
148 nanômetros in 2.000 revolutions per minute.
  – Motor of SFA

201 nanômetros in 2.000 revolutions per minute.

  – Motor of SF

270 nanômetros in 2.200 revolutions per minute.

HEAD OF THE CYLINDER BLOCK

The head becomes of the light league with the inserted combustion cameras, you seal and drive of valves.

Height of a head of the cylinder block
90 ± 0,15 mm
The very reduction of height of a head prosecuting
0,5 mm
Maximum not planeness of the lowest airplane of a head of the cylinder block
0,15 mm
Diameter of an axle of levers
18,96 - 19,00 mm

Placing of a head of the cylinder block

The placing of a head of the cylinder block was done from the synthetic material and originally two had thickness, and soon three thickness. The thickness of the placing is selected depending on a pistons vystupaniye on the best airplane of the cylinder block of the motor. The thickness of the placing is identified in the number of reductions in his edge.

Pistons Vystupaniye
Thickness placing
from 0,69 to 0,79 mm
1,53 mm (designation: 2 reductions)
from 0,79 to 0,89 mm
1,63 mm (designation: 3 reductions)
more than 0,89 mm
1,73 mm (designation: 4 reductions)

Like the spare pieces that they put only of the new type (three thickness) they are done.

Chambers of combustion

Chambers of combustion of vortex, steel inserted in a head of the cylinder block and registered through a ball.

Type of camera of combustion
vortex you mark Ricardo Comet V
Diameter of a ball
3 mm
Vystupaniye of cameras of vortex of the lowest airplane of a head of the cylinder block
0 - 0,03 mm

Valves saddles

Saddles of valves of a vpressovana in a head of the cylinder block.

Corner of a polishes of work of a saddle of the valve:
  – entered
120 °
  – end
90 °
Width of a polishes of work
2,2 - 2,5 mm

Valves guides

The valves guides corset themselves in a head of the cylinder block and are identic both for the entry, and to final valves.

Exterior diameter:
  – nominal
14,048 - 14.059 mm
  – the first repair
14,280 - 14.290 mm
  – the second repair
14,579 - 14.590 mm
Internal diameter
8,520 - 8.542 mm
Length
55 mm
Distance between a guide and the lowest airplane of a head of the cylinder block
27,95 - 28,05 mm

Valves


The valves are installed in a head of the cylinder block vertically and in põem one to other in parallel (in the right angle to the lowest airplane of a head of the cylinder block).

Corner of a polishes of work:
  – entry valve
120 °
  – final valve
90 °
Slit of work of valves in the cold motor (during four hours after the last departure):
  – the motor without pressurization:
     • entry valve
0,30 - 0,35 mm
     • final valve
0,30 - 0,35 mm
  – the motor with a superload of the turbo:
     • entry valve
0,10 - 0,20 mm
     • final valve
0,20 - 0,30 mm
Lifting valve height:
  – entry valve
8,95 (I darken 8,48) of mm
  – final valve
8,22 (I darken 8,27) of mm
Distance of the lowest airplane of a head of the cylinder block to a plate of the valve:
  – entry valve
0,75 - 1,25 mm
  – final valve
1,05 - 1,45 mm

Valves sizes

Entry valve:
  – length
116,25 mm
  – diameter of a plate of the valve
42,5 mm
  – diameter of a nucleus
8,473 - 8.495 mm
  – thickness of an edge of work of a plate of the valve
2,2 - 2,5 mm
Final valve:
  – length
116,25 mm
  – diameter of a plate of the valve
35,5 mm
  – diameter of a nucleus
8,453 - 8.475 mm
  – thickness of an edge of work of a plate of the valve
2,2 - 2,5 mm
The most admissible slit between a nucleus of the valve and the capture of direction
0,15 mm

Valves Springs

Spring length in a free state:
  – day-pupil
44,6 mm
  – I intern
41,0 mm
Diameter of a wire of one spring:
  – day-pupil
4,6 mm
  – I intern
2,4 mm

CYLINDER BLOCK OF THE MOTOR

The cylinder block of the motor is manufactured of the form iron.

Number of radical necks
5
Diameter of the cylinder:
  – class A nominal
94,000 - 94.015 mm
  – the class B nominal
94,015 - 94.030 mm
  – repair 1 class C
94,200 - 94.215 mm
  – repair 1 class D
94,215 - 94.230 mm
  – repair the 2nd class E
94,400 - 94.415 mm
  – repair the 2nd class F
94,415 - 94.430 mm
  – repair the 3rd class G
94,600 - 94.615 mm
  – repair the 3rd class H
94,615 - 94.630 mm
  – repair the 4th class S
94,800 - 94.815 mm
  – repair the 4th class K
94,815 - 94.830 mm
Diameter of a nest of an empurrador:
  – nominal
24,00 - 24,03 mm
  – I notice
24,20 - 24,23 mm
Split between an empurrador and a nest
0,04 - 0,08 mm

MECHANISM OF KRIVOSHIPNO-SHATUNNYY

Inclination end

Number of radical necks
5
Play of axial side of an end of inclination
0,08 - 0,29 mm
To fix of axial movement
persistent rings half
Thickness of persistent half of rings:
  – nominal
2,30 - 2,33 mm
  – I notice
2,50 - 2,53 mm
Slit in radical loads
0,040 - 0,098 mm
Diameter of radical necks:
  – standard
59,994 - 60.021 mm
  – reduced in 0,30 mm
59,694 - 59.721 mm
  – reduced in 0,50 mm
59,494 - 59.521 mm
  – reduced in 0,80 mm
59,194 - 59.221 mm
Neck length:
  – hall
38,40 - 38,55 mm
  – intermediary
30,4 - 30,6 mm
  – central office
37,76 - 37,81 mm
  – behind
37,84 - 38,04 mm
Split in necks
0,040 - 0,098 mm
Necks diameter conrod:
  – nominal
54,994 - 55.021 mm
  – I repair (-0,3)
54,694 - 54.721 mm
Neck length
36,0 - 36,1 mm
Width of a stick that is joined
29,0 mm
The very effort of a provorachivaniye of an end of inclination
60 nanômetros

Radical insertions

These fortify in fine way insertions with a covering of a leaf from steel and material antifrictional of the tsinko-aluminum league.

Insertions width:
  – ahead, average and behind
29,80 mm
  – intermediary
21,80 mm

Sticks
Opening of head of stick:
  – I come across (below the capture)
32,975 - 33.000 mm
  – more low
58,737 - 58.750 mm
Taken of stick:
  – internal diameter
30,007 - 30.020 mm
  – exterior diameter
33,000 - 33.025 mm
Axial slit in a neck of an end of inclination
0,10 - 0,25 mm
Split between an insertion and a neck conrod
0,040 - 0,092 mm

Piston fingers

The finger is made from the steel and superficially it is seasoned. The finger revolves in the piston and the capture of a head of a stick (one so called floating finger) and concentrates of the longitudinal movement for two spring lock rings.

Diameter of a finger:
  – Motor of STR
29,994 - 30.000 mm
  – Motor of SFA
32.000 mm

Pistons

The pistons are manufactured of the league from aluminum and from silicon. The very difference of the mass of the group of the pistons of the motor must not exceed 5 g.

Installation method in the cylinder: the deepenings in the bottom of the piston (for plates of valves and the camera of combustion) will be of the fuel bomb.
The diameter of the piston (the measurements are executed in the distance of 15,8 mm of the perpendicular of bottom of piston to a piston finger):
  – class A nominal
93,855 - 93.900 mm
  – the class B nominal
93,900 - 93.915 mm
  – repair 1 class C
94,085 - 94.100 mm
  – repair 1 class D
94,100 - 94.115 mm
  – repair the 2nd class E
94,285 - 94.300 mm
  – repair the 2nd class F
94,300 - 94.315 mm
  – repair the 3rd class G
94,485 - 94.500 mm
  – repair the 3rd class H
94,500 - 94.515 mm
  – repair the 4th class S
94,685 - 94.700 mm
  – repair the 4th class K
94,700 - 94.715 mm
Vystupaniye of the piston of the cylinder block of the motor
0,50 - 0,92 mm
(I darken of 0,40 - 0,87 mm)

Piston rings

In each piston two rings of fighter and a scraper of oil, been composed of three details are established.
Piston rings:
  – top fighter
chromeplated, spherical
  – compression
with dredging
  – oil scraper
U-shaped

Slits of locks of the rings of piston (installed in the cylinder):
  – ring of superior fighter
0,40 - 0,65 mm
(I darken of 0,25 - 0,50 mm)
  – compression ring
0,35 - 0,60 mm
(I darken of 0,20 - 0,40 mm)
  – ring of scraper of oil
0,15 - 0,30 mm
(I darken of 0,15 - 0,45 mm)
Rings height:
  – top fighter
1,978 - 1.990 mm
  – compression
1,978 - 1.990 mm
  – oil scraper
4,478 - 4.490 mm

SYSTEM OF DISTRIBUTION OF GAS

The system of the distribution of gas contains the axle installed in the cylinder block, empurradores, nucleuses of empurradores, valves levers and the valve.

The axle puts itself in the action for a chain of two lines of an end of inclination.

Phases of distribution of gas:
  – opening of valves of entry
8 ° before VMT
  – close of valves of entry
40 ° after NMT
  – opening of valves of entry
56 ° before NMT
  – close of valves of entry
12 ° after VMT

VMT and respectively I agree to NMT and lower dead points.

Axle

The axle makes spinning in three loads with the walk a chain.

Diameters of necks of the axle
41,925 - 41.950 mm
Slit of work of necks of the axle
0,05 - 0,11 mm
Play of axial side of the axle
0,05 - 0,15 mm

SYSTEM OF LUBRICATION

The lubricant below the pressure is supplied by the bomb of oil of gear installed action of the axle he was seeing the gear of angular tooth. The lubrication system has the substituted filter and the heater of oil.

Type of the bomb of oil
gear
Volume of oil of motor:
  – without filter
5,0 dm3
  – with the filter
5,6 dm3
Type of oil of motor
API CATHEDRAL / CD or SF/CD
Viscosity of oil of motor in a temperature:
  – of 20 °C to +30 °C
SAE 10W-30
  – it is above 20 °C
SAE 10W-40/10W-50
  – it is above 15 °C
SAE 15W-40/15W-50
  – he is below 20 °C
5W-30
Substitution frequency
each one 7.500 km of a race or time during six months

Sensor of pressure of oil

The sensor of the pressure of oil is located in the bearer of a filter of oil.

Pressure of fire of a bulb of control
0,08 - 0,10 MPas

COOLING OF SYSTEM

The outline of cooling closed with the liquid circulation that is not frozen below the pressure contains an electric heater, a wide tank and the bomb of cooling the liquid. The air removal comes from the system automatically after the launch of the motor.

Bomb of cooling the liquid

The centrifugal bomb of cooling the liquid located in an advanced wall of the cylinder block puts itself in the action for a side belt. The bomb of cooling the liquid is not in the repair and in case of the bad functioning it has to be substituted.

Diameter of a rotor
60 mm

Thermostat

The wax thermostat is located in a case with the bomb of cooling the liquid.
Mark
Calorstat
The temperature began to open
72 °C
Temperature of full opening
81 °C
Least valve blow
7,5 mm

Liquid cooling
Quantity
9,5 dm3
To type
special non-congelation liquid of Ford SQM 97 B 9103rd
Service frequency
the check of the level each one 7.500 km of a race (it does not demand the periodic substitution of cooling the liquid)

SYSTEM OF FUEL

The fuel system contains the distributive fuel to bomb CAV When Diesel Was Broken.

Fuel bomb

The distributive fuel of rotor that the bomb the Ragamuffin's Diesel equips of the hydraulic device of the increase in a dose of the fuel during the cold departure with the automatic support of the increased speed that wastes time made working termostático and the valve eletromagnética of the extinguishment of the motor (THEY STOP the valve) the supply of fuel parapain.

Mark and type
Ragamuffin's diesel or diesel of Lucas Roto
Injection order (the cylinder n ° 1 of a pendulum)
1-3-4-2
Violence beginning
position of the piston of the 1st cylinder of the 2,85 mm motor before BMT or 18 ° before VMT
Speed that wastes time:
  – without pressurization
800 revolutions per minute.
  – with a superload of the turbo
875 - 900 revolutions per minute.
Speed when of to waste time (the cold motor) was accelerated
880 - 930 revolutions per minute.
The very speed (without overdoing)
4800 - 4.850 revolutions per minute.
Time of reduction of turns with maximum before wasting time
5 seconds
Motor with turbo
Loft AiResearch T03

Mouths

The mouths are screwed in in a head of the cylinder block.

Case of mouths
Ragamuffin's diesel
or Bosch of KCA 30 S 44
Pressure of opening of a mouth:
  – without pressurization
11,5 ± 0,5 MPas
  – with a superload of the turbo
13,0 ± 0,5 MPas

Taken of incandescence

Mark and type
Bosch, Beru, Lucas or Champion CH68
Control the temperature of the heating of candles (inside 7 seconds in a surrounding temperature of 20 °C)
850 °C

PRESSURE OF MOMENTS

Pins of fixation of a head of the cylinder block:
  – 1 stage
30 nanômetros
  – 2nd stage
70 nanômetros
  – The 3rd stage – to unscrew pins in the order of the pressure in 90 ° and to corset itself repeatedly
70 nanômetros
  – The 4th stage – after 10 minutes of the operation of the motor in 3.000 revolutions per minute and cooling inside 4 hours and there draw two times (once *) (to unscrew in 90 ° and to corset itself)
70*/80 Nanômetro
  – 5th stage
to corset itself in 120 °
Countersows of adjusting pins of levers
12,5 - 17,5 nanômetros
Covering of a head of the cylinder block
3 - 4 nanômetros
Nuts of internal tortures of an axle of levers
17 - 22 nanômetros
Covering of empurradores
5 - 7,5 nanômetros
Cork of Masloslivny
7,5 - 12,5 nanômetros
Oil receiver
5 - 7,5 nanômetros
Level of oil that measures tube of instrument
20 - 30 nanômetros
Coverings of radical loads
100 - 120 nanômetros
Loads coverings conrod
53 - 62 nanômetros
Pendulum:
  – 1 stage
15 nanômetros
  – 2nd stage
95 nanômetros
Pulley of an end of inclination
240 - 260 nanômetros
Oil bomb
25 - 30 nanômetros
Traffic jams of traffic of the bomb of oil
80 - 100 nanômetros
Covering of the bomb of oil
5 - 7,5 nanômetros
Support of triangular form to stand up of the motor
10 - 12 nanômetros
The cork of the unloading of cooling the liquid in the cylinder block
20 - 30 nanômetros
Nut of fixation of the union of the supporter of an electric heater
30 - 40 nanômetros
Fixation of the mechanism of a tension of a belt of the creator
21 - 25 nanômetros
Taken of incandescence
30 - 40 nanômetros
The transmission to the motor:
  – the type N
40 - 50 nanômetros
  – MT 75 type
70 - 90 nanômetros

* Only one applies to pins 70 and 95 mm of longitude.