DOHC gasoline engine of car Ford Scorpio 1
Specifications for DOHC engines
Engine - gasoline, four-stroke, four-cylinder, in-line, water-cooled, has two camshafts in the cylinder head, mounted longitudinally in front of the car. Main settings...
Engine - gasoline, four-stroke, four-cylinder, in-line, water-cooled, has two camshafts in the cylinder head, mounted longitudinally in front of the car. Main settings...
Repair without removing the engine
Engine number location On the engine installed in the car, you can perform the following operations: removal and installation of the timing chain and sprockets; removal...
Engine number location On the engine installed in the car, you can perform the following operations: removal and installation of the timing chain and sprockets; removal...
Timing chain and sprockets
Timing gear drive 1 - camshaft sprocket that controls the intake valves, 2 - upper chain guide, 3 - camshaft sprocket that controls the exhaust valves, 4 - side chain...
Timing gear drive 1 - camshaft sprocket that controls the intake valves, 2 - upper chain guide, 3 - camshaft sprocket that controls the exhaust valves, 4 - side chain...
Cylinder head — design description
Cylinder head parts 1 - cylinder head, 2 - intake valves, 3 - exhaust valves, 4 - cylinder head gasket, 5 - hydraulic valve lifters, 6 - crackers, 7 - upper spring...
Cylinder head parts 1 - cylinder head, 2 - intake valves, 3 - exhaust valves, 4 - cylinder head gasket, 5 - hydraulic valve lifters, 6 - crackers, 7 - upper spring...
Removing the cylinder head
Bolt of fastening of an asterisk and a drive of the distributor of ignition on a camshaft operating inlet valves Attention! The cylinder head can only be removed when...
Bolt of fastening of an asterisk and a drive of the distributor of ignition on a camshaft operating inlet valves Attention! The cylinder head can only be removed when...
Dismantling and assembly of a head of the block of cylinders
Cylinder head 1 - oil supply pipes to the camshaft cams, 2 - camshaft bearing caps, 3 - camshaft controlling intake valves, 4 - camshaft controlling exhaust valves, 5 -...
Cylinder head 1 - oil supply pipes to the camshaft cams, 2 - camshaft bearing caps, 3 - camshaft controlling intake valves, 4 - camshaft controlling exhaust valves, 5 -...
Checking the cylinder head
1. Check the flatness of the surface of the cylinder head mating with the cylinder block using a steel ruler and a set of measuring probes. If the flatness is greater...
1. Check the flatness of the surface of the cylinder head mating with the cylinder block using a steel ruler and a set of measuring probes. If the flatness is greater...
Checking the valve guides
1. Worn valve guides do not align the valves in their seats, resulting in a significant increase in fuel and oil consumption. 2. Check the inside diameters of the valve...
1. Worn valve guides do not align the valves in their seats, resulting in a significant increase in fuel and oil consumption. 2. Check the inside diameters of the valve...
Processing of valve seats in the cylinder head
Valve seats with signs of wear or burning must be processed with the obligatory preservation of angles and chamfers. Otherwise, it is necessary to replace the cylinder...
Valve seats with signs of wear or burning must be processed with the obligatory preservation of angles and chamfers. Otherwise, it is necessary to replace the cylinder...
Cylinder head assembly
1. Lubricate the valve guides with fresh engine oil. 2. Insert the valve into place. 3. Install the lower spring plate onto the valve. 4. Wrap the cracker grooves in the...
1. Lubricate the valve guides with fresh engine oil. 2. Insert the valve into place. 3. Install the lower spring plate onto the valve. 4. Wrap the cracker grooves in the...
Installing the cylinder head
DOHC cylinder head bolt tightening sequence M11 bolts - tightening sequence: 1–10. M8 bolts - tightening sequence: 11–13. Location of camshaft bearing caps 1. Thoroughly...
DOHC cylinder head bolt tightening sequence M11 bolts - tightening sequence: 1–10. M8 bolts - tightening sequence: 11–13. Location of camshaft bearing caps 1. Thoroughly...
Removal and installation of a back sealing ring of a cranked shaft
Special mandrel for installing the rear crankshaft sealing ring A - back cover B - special tool 1. Remove gearbox. 2. Remove clutch. 3. Remove flywheel and engine guard....
Special mandrel for installing the rear crankshaft sealing ring A - back cover B - special tool 1. Remove gearbox. 2. Remove clutch. 3. Remove flywheel and engine guard....
Removing the engine
Removal of the engine without gearbox is made upwards from the engine compartment using a lifting mechanism. It is also possible to remove the engine together with the...
Removal of the engine without gearbox is made upwards from the engine compartment using a lifting mechanism. It is also possible to remove the engine together with the...
Additional operations for removing the engine on vehicles with automatic transmission
1. In the engine compartment, unscrew the upper bolts securing the gearbox to the engine. Mark the location of the ground bus, vacuum tube brackets and oil level gauge...
1. In the engine compartment, unscrew the upper bolts securing the gearbox to the engine. Mark the location of the ground bus, vacuum tube brackets and oil level gauge...
Additional operations for removing the engine from the gearbox
1. Disconnect the exhaust pipe from the exhaust system and remove it from the vehicle. 2. On vehicles with a catalytic converter, remove the heat shield. 3. Remove...
1. Disconnect the exhaust pipe from the exhaust system and remove it from the vehicle. 2. On vehicles with a catalytic converter, remove the heat shield. 3. Remove...
Engine installation
The engine is installed in the reverse order of removal, while paying attention to some features: lubricating with oil the splines of the gearbox clutch shaft before...
The engine is installed in the reverse order of removal, while paying attention to some features: lubricating with oil the splines of the gearbox clutch shaft before...
Engine disassembly
O-rings and gaskets for DOHC engine 1 - carburetor, 2 - cylinder head cover, 3 - intake manifold, 4 - intake manifold gasket, 5 - cylinder head, 6 - exhaust manifold...
O-rings and gaskets for DOHC engine 1 - carburetor, 2 - cylinder head cover, 3 - intake manifold, 4 - intake manifold gasket, 5 - cylinder head, 6 - exhaust manifold...
Cylinders — wear check
Theoretically, the new cylinder is perfectly round. The operation of the piston results in wall wear at right angles to the piston pins due to side loading. This wear...
Theoretically, the new cylinder is perfectly round. The operation of the piston results in wall wear at right angles to the piston pins due to side loading. This wear...
Inspection and restoration of pistons and piston rings
Piston and piston ring wear can usually be detected by signs of increased oil consumption and low compression, sometimes associated with cylinder wear. Another sign of...
Piston and piston ring wear can usually be detected by signs of increased oil consumption and low compression, sometimes associated with cylinder wear. Another sign of...
Piston pins and connecting rods
1. Squeeze out the piston pins on the press. 2. Lay the connecting rods on the plate and check if they are deformed. 3. Place special tool 21.014 in a vice and pull out...
1. Squeeze out the piston pins on the press. 2. Lay the connecting rods on the plate and check if they are deformed. 3. Place special tool 21.014 in a vice and pull out...
Crankshaft — check and installation
Inspect the main and connecting rod journals for signs of wear, scratches or scratches. Check them for ovality using a micrometer. Out-of-roundness exceeding 0.025 mm...
Inspect the main and connecting rod journals for signs of wear, scratches or scratches. Check them for ovality using a micrometer. Out-of-roundness exceeding 0.025 mm...
Main and connecting rod bearings
With quality maintenance and regular oil and oil filter changes, bearings last a very long time. A sign of damage to the connecting rod bearings is a regular rhythmic...
With quality maintenance and regular oil and oil filter changes, bearings last a very long time. A sign of damage to the connecting rod bearings is a regular rhythmic...
Flywheel — check and installation
Check the flywheel for damage, the flywheel crown for wear and damage. If the crown is severely worn or has a missing tooth, the crown should be replaced. The old crown...
Check the flywheel for damage, the flywheel crown for wear and damage. If the crown is severely worn or has a missing tooth, the crown should be replaced. The old crown...
Engine Assembly
DOHC crankshaft main bearing designations 1–5 - bearing numbers, A - main bearing, B - crankshaft thrust washers DOHC engine connecting rod cap designation The top...
DOHC crankshaft main bearing designations 1–5 - bearing numbers, A - main bearing, B - crankshaft thrust washers DOHC engine connecting rod cap designation The top...
Starting the engine after a major overhaul
1. After installing the engine in the car, check the oil and coolant levels. 2. Remove the spark plugs and turn off the ignition system. 3. Crank the engine with the...
1. After installing the engine in the car, check the oil and coolant levels. 2. Remove the spark plugs and turn off the ignition system. 3. Crank the engine with the...
Crankcase ventilation system
Engine crankcase ventilation system with fuel injection system 1 - intake manifold connection, 2 - intake manifold, 3 - breather tube, 4 - oil separator, 5 - valve, 6 -...
Engine crankcase ventilation system with fuel injection system 1 - intake manifold connection, 2 - intake manifold, 3 - breather tube, 4 - oil separator, 5 - valve, 6 -...
Removal and installation of an oil crankcase
Elements of the lubrication system 1 - oil pressure sensor, 2 - oil filter, 3 - oil level gauge pipe, 4 - oil level gauge, 5 - oil pan gasket, 6 - oil pan, 7 - oil drain...
Elements of the lubrication system 1 - oil pressure sensor, 2 - oil filter, 3 - oil level gauge pipe, 4 - oil level gauge, 5 - oil pan gasket, 6 - oil pan, 7 - oil drain...
Removal and installation of the oil pump
Oil pump 1 - oil pump sprocket, 2 - oil pump, 3 - gasket, 4 - oil pump cover, 5 - pressure reducing valve, 6 - rotor, 7 - pump housing, 8 - gasket, 9 - oil receiver...
Oil pump 1 - oil pump sprocket, 2 - oil pump, 3 - gasket, 4 - oil pump cover, 5 - pressure reducing valve, 6 - rotor, 7 - pump housing, 8 - gasket, 9 - oil receiver...
Oil pump disassembly
DOHC Engine Oil Pump Check Checking the radial clearance between the gears. Checking the radial clearance between the rotor and the pump housing. Checking the axial...
DOHC Engine Oil Pump Check Checking the radial clearance between the gears. Checking the radial clearance between the rotor and the pump housing. Checking the axial...
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Fusion
Scorpio 1
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- Changes 1984-1986
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