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Engine repair without removal from the car Mitsubishi Colt 4 and 5
Depending on the model and year of manufacture (from 1991 to 2004), Mitsubishi Colt cars were equipped with four-cylinder and six-cylinder gasoline engines with one or two camshafts, as well as four-cylinder diesel engines with one camshaft.
This part is devoted to the description of repair procedures for the engine without removing it from the car. All information regarding the removal and installation of the engine block and cylinder head rebuild is given in next part.
The following procedure descriptions are based on the assumption that the engine is installed in the vehicle. If the engine has been removed from the vehicle and mounted on a bench, many of the processes described in this section do not need to be performed.
Repair procedures on the engine installed on the car
Many major repairs can be done without removing the engine from the vehicle. Flush the engine compartment and engine exterior with a suitable degreaser prior to any...
Many major repairs can be done without removing the engine from the vehicle. Flush the engine compartment and engine exterior with a suitable degreaser prior to any...
Main technical parameters of engines
Main technical parameters of engines ATTENTION: Detailed information about the dimensions that are necessary for repairing a car engine is in the section « Control...
Main technical parameters of engines ATTENTION: Detailed information about the dimensions that are necessary for repairing a car engine is in the section « Control...
Top dead center (TDC) of the piston of the first cylinder — locating
CAUTION: The following procedure is based on the assumption that the high voltage wires of the spark plugs and ignition distributor (if there) installed properly. If you...
CAUTION: The following procedure is based on the assumption that the high voltage wires of the spark plugs and ignition distributor (if there) installed properly. If you...
Cylinder head cover — removal and installation (all engines)
Removing Disconnect the breather hoses leading to the cap. Do not disconnect any hoses unless this interferes with removal Disconnect spark plug wires. Inspect the end...
Removing Disconnect the breather hoses leading to the cap. Do not disconnect any hoses unless this interferes with removal Disconnect spark plug wires. Inspect the end...
Camshaft drive belt — check, tension (SOHC, 8 and 12 valves)
Adjusting the tension of the toothed belt drive, which has an automatic device, for 8 and 12 valve gasoline engines, is performed in the following sequence: Remove the...
Adjusting the tension of the toothed belt drive, which has an automatic device, for 8 and 12 valve gasoline engines, is performed in the following sequence: Remove the...
Camshaft drive belt — replacement (SOHC, 8 and 12 valves)
To install and remove the toothed belt of 8- and 12-valve gasoline engines, depending on the model and year of manufacture, it is necessary to additionally remove...
To install and remove the toothed belt of 8- and 12-valve gasoline engines, depending on the model and year of manufacture, it is necessary to additionally remove...
Valve clearance adjustment (SOHC, 8 and 12 valves)
Checking and adjusting the valves is carried out both on a hot and a cold engine. In the latter case, it is necessary to re-check the valve clearance on a hot engine....
Checking and adjusting the valves is carried out both on a hot and a cold engine. In the latter case, it is necessary to re-check the valve clearance on a hot engine....
Cylinder head gasket — replacement (SOHC, 8 and 12 valves)
Installation elements of the cylinder head of the 8-valve engine Remove the cylinder head only when the engine is cold. The intake and exhaust manifolds remain...
Installation elements of the cylinder head of the 8-valve engine Remove the cylinder head only when the engine is cold. The intake and exhaust manifolds remain...
Features of removal and installation of a head of the block of cylinders of models with semicircular consolidations
Remove the radiator. Remove the air quantity meter connector from the air filter housing and remove the air filter. Remove the semi-circular cylinder head cover seal....
Remove the radiator. Remove the air quantity meter connector from the air filter housing and remove the air filter. Remove the semi-circular cylinder head cover seal....
Rocker arms and hydraulic pushers of a 12-valve engine — removal and installation
Removing Remove the suction hose and the positive crankcase ventilation valve. Remove the toothed belt cover. Remove the cylinder head cover. After loosening the bolts,...
Removing Remove the suction hose and the positive crankcase ventilation valve. Remove the toothed belt cover. Remove the cylinder head cover. After loosening the bolts,...
Hydraulic tappets — performance test (SOHC, 8 and 12 valves)
If, after starting the engine, a clicking sound from the hydraulic pusher appears and does not disappear as the engine warms up, check. Extraneous noise due to a...
If, after starting the engine, a clicking sound from the hydraulic pusher appears and does not disappear as the engine warms up, check. Extraneous noise due to a...
Removal of air from hydropushers (SOHC, 8 and 12 valves)
If the car is on a slope for a long time or has not been used for a long period of time, the amount of oil in the hydraulic pushers will decrease, and air may enter the...
If the car is on a slope for a long time or has not been used for a long period of time, the amount of oil in the hydraulic pushers will decrease, and air may enter the...
Camshaft — removal and installation (SOHC, 8 and 12 valves)
Camshaft setting elements for an 8-valve engine 1 - ignition wire; 2 - ignition distributor; 3 - cylinder head cover; 4 - toothed belt; 5 - camshaft gear; 6 - stuffing...
Camshaft setting elements for an 8-valve engine 1 - ignition wire; 2 - ignition distributor; 3 - cylinder head cover; 4 - toothed belt; 5 - camshaft gear; 6 - stuffing...
Springs, crackers and valve seals — replacement without removing the cylinder head (SOHC, 8 and 12 valves)
CAUTION: Broken valve springs and damaged valve stem seals can be replaced without removing the cylinder head. This operation usually requires special tools and a source...
CAUTION: Broken valve springs and damaged valve stem seals can be replaced without removing the cylinder head. This operation usually requires special tools and a source...
Valve clearance adjustment (SOHC, 16 valves)
ATTENTION: This operation applies to engines that do not have valve lifters. Start the engine and warm it up to a coolant temperature of 80-95°C. Remove all spark plugs....
ATTENTION: This operation applies to engines that do not have valve lifters. Start the engine and warm it up to a coolant temperature of 80-95°C. Remove all spark plugs....
Camshaft Drive Belt — Tension Adjustment (SOHC, 16 valves)
Remove the camshaft drive belt top cover. Turn the crankshaft clockwise and set the piston of the 1st cylinder to the TDC of the compression stroke, while the mark (A)...
Remove the camshaft drive belt top cover. Turn the crankshaft clockwise and set the piston of the 1st cylinder to the TDC of the compression stroke, while the mark (A)...
Camshaft drive belt — replacement (SOHC, 16 valves)
Elements of the timing belt 1 - power steering hose bracket; 2 - clamp; 3 - generator bracket; 4 - top cover; 3 - bottom cover; 6 - flange; 7 - bracket for power...
Elements of the timing belt 1 - power steering hose bracket; 2 - clamp; 3 - generator bracket; 4 - top cover; 3 - bottom cover; 6 - flange; 7 - bracket for power...
Crankshaft pulley — removal and installation (SOHC, 16 valves)
Removing Remove the bottom right toothed belt guard. Loosen the tension and remove the belt (1) power steering pump and air conditioning compressor drive. After...
Removing Remove the bottom right toothed belt guard. Loosen the tension and remove the belt (1) power steering pump and air conditioning compressor drive. After...
Camshaft — removal and installation (SOHC, 16 valves)
Removing Disconnect the ground wire from the battery. Remove the ignition distributor. Remove the camshaft drive belt. Disconnect the electrical connectors, remove the...
Removing Disconnect the ground wire from the battery. Remove the ignition distributor. Remove the camshaft drive belt. Disconnect the electrical connectors, remove the...
Cylinder head gasket — replacement (SOHC, 16 valves)
External engine components removed when replacing the gasket 1 - gas cable; 2 - candle wires; 3 - throttle position sensor plug; 4 - idle speed controller plug; 5 - plug...
External engine components removed when replacing the gasket 1 - gas cable; 2 - candle wires; 3 - throttle position sensor plug; 4 - idle speed controller plug; 5 - plug...
Oil pan — removal and installation (SOHC, 16 valves)
Oil sump elements 1 - exhaust pipe of the muffler; 2 - gasket; 3 - gearbox support; 4 - clutch housing cover; 3 - oil sump; 6 - drain plug. Removing Disconnect the...
Oil sump elements 1 - exhaust pipe of the muffler; 2 - gasket; 3 - gearbox support; 4 - clutch housing cover; 3 - oil sump; 6 - drain plug. Removing Disconnect the...
Crankshaft seals (SOHC, 16 valves)
Crankshaft seals 1 - crankshaft gear; 2 - key; 3 - sensor rotor (not all engines); 4 - crankshaft bushing (not all engines); 3 - front crankshaft oil seal; 6 - flywheel...
Crankshaft seals 1 - crankshaft gear; 2 - key; 3 - sensor rotor (not all engines); 4 - crankshaft bushing (not all engines); 3 - front crankshaft oil seal; 6 - flywheel...
Front crankshaft oil seal (SOHC, 16 valves)
Removing Remove the camshaft drive belt. Remove the crankshaft V-belt pulley. Remove the gear (1) crankshaft and key (2). Remove the sensor rotor and crankshaft bushings...
Removing Remove the camshaft drive belt. Remove the crankshaft V-belt pulley. Remove the gear (1) crankshaft and key (2). Remove the sensor rotor and crankshaft bushings...
Rear crankshaft oil seal (SOHC, 16 valves)
Removing Remove the crankshaft position sensor. Remove the oil pan. Remove the transmission assembly. Remove the clutch basket and clutch disc. Secure the flywheel from...
Removing Remove the crankshaft position sensor. Remove the oil pan. Remove the transmission assembly. Remove the clutch basket and clutch disc. Secure the flywheel from...
Intake manifold — removal and installation (4G61 DOHC, 16 valves)
Intake manifold fittings 1 - ignition coil; 2 - manifold gasket; 3 - fuel line (nozzle frame); 4 - bracket; 5 - air duct; 6 - gasket; 7 - throttle body; 8 - gasket; 9 -...
Intake manifold fittings 1 - ignition coil; 2 - manifold gasket; 3 - fuel line (nozzle frame); 4 - bracket; 5 - air duct; 6 - gasket; 7 - throttle body; 8 - gasket; 9 -...
Exhaust manifold — removal and installation (4G61 DOHC, 16 valves)
Exhaust manifold fittings 1 - heat shield; 2 - oxygen sensor; 3 - radiator; 4 - collector heat shield; 3 - lifting bracket; 6 - exhaust manifold; 7 - air intake hose; 8...
Exhaust manifold fittings 1 - heat shield; 2 - oxygen sensor; 3 - radiator; 4 - collector heat shield; 3 - lifting bracket; 6 - exhaust manifold; 7 - air intake hose; 8...
Cylinder head gasket — replacement (4G61 DOHC, 16 valves)
External elements of the engine 1 - radiator; 2 - air duct; 3 - air filter; 4 - air flow sensor connector; 5 - coolant bypass hose; 6 - heater hose; 7 - gas cable; 8 -...
External elements of the engine 1 - radiator; 2 - air duct; 3 - air filter; 4 - air flow sensor connector; 5 - coolant bypass hose; 6 - heater hose; 7 - gas cable; 8 -...
Camshaft drive belt — replacement (4G61 DOHC, 16 valves)
Adjusting elements of a gear belt 1 - wedge and alternator belt; 2 - power steering pump belt; 3 - gear wheel of the water pump; 4 - top cover of the toothed belt; 3 -...
Adjusting elements of a gear belt 1 - wedge and alternator belt; 2 - power steering pump belt; 3 - gear wheel of the water pump; 4 - top cover of the toothed belt; 3 -...
Camshafts — removal and installation (4G61 DOHC, 16 valves)
Removing Disconnect the ground wire from the battery. Remove the left mudguard under the engine. Install a jack and a wide board under the oil sump. Raise the jack to...
Removing Disconnect the ground wire from the battery. Remove the left mudguard under the engine. Install a jack and a wide board under the oil sump. Raise the jack to...
Hydropushers — check (4G93 DOHC, 16 valves)
After starting the engine, you can hear a characteristic clicking sound, which can be mistaken for the sound of hydraulic pushers. In this case, perform the following...
After starting the engine, you can hear a characteristic clicking sound, which can be mistaken for the sound of hydraulic pushers. In this case, perform the following...
Hydropushers — replacement (4G93 DOHC, 16 valves)
Turn the crankshaft so that the pistons are below TDC, so that when replacing the hydraulic pushers, the valves cannot hit the pistons. In some positions, the rocker...
Turn the crankshaft so that the pistons are below TDC, so that when replacing the hydraulic pushers, the valves cannot hit the pistons. In some positions, the rocker...
Camshafts — removal and installation (4G93 DOHC, 16 valves)
MPI Models Camshaft fittings. MPI Models 1 - semicircular insert; 2 - stuffing box; 3 - ignition system sensor; 4, 13 - camshaft bearing caps; 5 - branch pipe of the...
MPI Models Camshaft fittings. MPI Models 1 - semicircular insert; 2 - stuffing box; 3 - ignition system sensor; 4, 13 - camshaft bearing caps; 5 - branch pipe of the...
Cylinder head gasket — replacement (4G93 DOHC, 16 valves)
External elements of the engine 1 - top cover; 2 - ignition coil; 3 - ignition coil connector; 4 - electrical connector of the nozzle; 5 - camshaft position sensor...
External elements of the engine 1 - top cover; 2 - ignition coil; 3 - ignition coil connector; 4 - electrical connector of the nozzle; 5 - camshaft position sensor...
Camshaft drive belt — replacement (4G93 DOHC, 16 valves)
Adjusting elements of a gear belt 1 - timing belt drive camshafts; 2 - disk; 3 - bottom cover. toothed belt; 4 - bracket for mounting the power steering pump; 3 - engine...
Adjusting elements of a gear belt 1 - timing belt drive camshafts; 2 - disk; 3 - bottom cover. toothed belt; 4 - bracket for mounting the power steering pump; 3 - engine...
External elements of a six-cylinder engine (6A12 DOHC)
External elements of a six-cylinder engine (6А12 DOHC) 1 - Tension pulley; 2 - oil dipstick; 3 - generator drive belt; 4 - generator; 3 - engine cover; 6 - flange; 7 -...
External elements of a six-cylinder engine (6А12 DOHC) 1 - Tension pulley; 2 - oil dipstick; 3 - generator drive belt; 4 - generator; 3 - engine cover; 6 - flange; 7 -...
Removal and installation of a gear belt (6А12 DOHC)
Adjusting elements of a gear belt of the engine 6А12 (DOHC) 1 - engine support; 2 - tensioner regulator; 3 - tension roller, 4 - roller bracket; 3, 9 - gear, camshaft...
Adjusting elements of a gear belt of the engine 6А12 (DOHC) 1 - engine support; 2 - tensioner regulator; 3 - tension roller, 4 - roller bracket; 3, 9 - gear, camshaft...
Tensioner adjuster — check (6A12 DOHC)
Remove tensioner adjuster ( see previous chapter ). Check the regulator for wear, damage and oil leaks. Measure the length of the protruding part of the pusher (size L)....
Remove tensioner adjuster ( see previous chapter ). Check the regulator for wear, damage and oil leaks. Measure the length of the protruding part of the pusher (size L)....
Cross section of a 4D65T diesel engine
Cross section of a 4D65T diesel engine I - distribution fell; 2 - the upper part of the intake manifold; 3 - rocker roller bearing; 4 - rocker; 5 - glow plug; 6 - high...
Cross section of a 4D65T diesel engine I - distribution fell; 2 - the upper part of the intake manifold; 3 - rocker roller bearing; 4 - rocker; 5 - glow plug; 6 - high...
Camshaft drive belt — check and adjustment (4D65T, diesel)
CAUTION: The timing belt mechanism in the diesel engine has an automatic tensioner. Remove the toothed belt cover. Scroll the crankshaft clockwise and check the...
CAUTION: The timing belt mechanism in the diesel engine has an automatic tensioner. Remove the toothed belt cover. Scroll the crankshaft clockwise and check the...
Camshaft timing belt — replacement (4D65, diesel)
Adjusting elements of a gear belt 1 - engine mount bracket; 2 - V-belt of the power steering; 3 - V-belt of the air conditioning compressor; 4 - V-belt generator; 5 -...
Adjusting elements of a gear belt 1 - engine mount bracket; 2 - V-belt of the power steering; 3 - V-belt of the air conditioning compressor; 4 - V-belt generator; 5 -...
Camshaft drive belt — replacement (4D68T, diesel)
Removing Using a jack and a board, raise the engine. Remove the front elements of the engine crankshaft pulley (5) water pump pulley (3); air conditioning compressor...
Removing Using a jack and a board, raise the engine. Remove the front elements of the engine crankshaft pulley (5) water pump pulley (3); air conditioning compressor...
Valve clearance adjustment (diesel)
ATTENTION: Checking and adjusting the valves is carried out both on a hot and cold engine. In the latter case, it is necessary to re-check the valve clearance on a hot...
ATTENTION: Checking and adjusting the valves is carried out both on a hot and cold engine. In the latter case, it is necessary to re-check the valve clearance on a hot...
V-belts — removal, tension adjustment (diesel)
Alternator V-Belt Remove the steering servo pump and A/C compressor V-belts, if equipped. Loosen the alternator nut slightly. Loosen the tension arm clamp bolt and tilt...
Alternator V-Belt Remove the steering servo pump and A/C compressor V-belts, if equipped. Loosen the alternator nut slightly. Loosen the tension arm clamp bolt and tilt...
This section is available on: russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
Similar materials for other Mitsubishi models
➤ Power unit: Engine repair Mitsubishi Lancer 3 and 5 (1984-1992)
➤ Power unit: Dismantling the engine Mitsubishi Galant 6 and 7 (1987-1998)
➤ Power unit: Engine repair Mitsubishi Outlander 1 (2003-2008)
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- General information
- User manual
- Specifications
- Gasoline engines
- 4G1 engines until 1995
- 4G1 engines since 1995
- Repair of 4G9 engines
- Cooling system
- Reduced exhaust gas toxicity
- Engine electrical equipment
- Injection system MPI
- Carburetors
- Transmission
- Clutch and drive shafts
- Manual gearbox F4M21/F5M21
- Manual gearbox F4M41
- Automatic gearbox F4A21
- Automatic gearbox F4A41
- Chassis and running gear
- Car suspension
- Steering
- Brake system
- Body
- Exterior (external elements)
- Electrical equipment
- Equipment and devices
- Electrical circuits
- General information
- Maintenance
- Power unit
- Engine in a car
- Engine repair (gasoline)
- Engine repair (diesel)
- Lubrication system
- Cooling system
- Carburetor
- Fuel injection MPI
- Fuel injection GDI
- Emission reduction
- Fuel system (diesel)
- Ignition system
- Exhaust system
- Transmission
- Clutch
- Manual gearbox
- Automatic gearbox
- Drive shafts
- Chassis and running gear
- Chassis malfunctions
- Front suspension
- Rear suspension
- Steering
- Wheels and tires
- Brake system
- Body and interior
- Body elements
- Electrical equipment
- Equipment and devices
- Power devices
- Heating and air conditioning
- Electrical circuits
- General information
- User manual
- Daily care
- Maintenance
- Power unit
- Engine in a car
- Engine overhaul
- Cooling system
- Heater and air conditioner
- Power and exhaust system
- Engine electrical equipment
- Emission reduction
- Transmission
- Mechanical gearbox
- Automatic gearbox
- Clutch and axles
- Chassis and running gear
- Brake system
- Car suspension
- Steering
- Body and interior
- Body and elements repair
- Electrical equipment
- Equipment and devices
- Electrical circuits
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Colt 2 and 3 (1983-1993) · Colt 4 and 5 (1991-2003) · Colt 5 (1995-2003) · Lancer 3 and 5 (1984-1992) · Lancer 9 (2000-2007) · Galant 6 and 7 (1987-1998) · L200 4 (2005-2014) · Outlander 1 (2003-2008) · Pajero 1 and 2 (1982-1999) · Carisma (1995-2004) · Space Star (1998-2005) ·
Colt 2 and 3 (1983-1993) · Colt 4 and 5 (1991-2003) · Colt 5 (1995-2003) · Lancer 3 and 5 (1984-1992) · Lancer 9 (2000-2007) · Galant 6 and 7 (1987-1998) · L200 4 (2005-2014) · Outlander 1 (2003-2008) · Pajero 1 and 2 (1982-1999) · Carisma (1995-2004) · Space Star (1998-2005) ·