4G1 engines since 1995 car Mitsubishi Colt 5 (CJ)

Engine specifications and data
Technical characteristics of the engines are given in tables 3.1 a-c, technical data - in table 3.2. Table 3.1a. Technical characteristics of 4G13 12V engines Table...

Toothed timing belt — design description
The timing belt for SOHC engines is shown in Figure 3.4, for DOHC engines - in Figure 3.5. Figure 3.4. Timing belt for SOHC engines: 1 - Upper timing belt cover; 2 -...

Timing Belt — Check
1. Replace the timing belt if the following defects are found: hardened rubber on the outside of the belt. If the outside of the belt is shiny, inelastic and so hard...

Timing Belt — Installation
SOHC engines 1. Align the TDC mark on the camshaft with the mark on the cylinder head (Figure 3.7). Figure 3.7. Align the TDC mark on the camshaft with the mark on the...

Intake and exhaust manifolds
The intake and exhaust manifolds of SOHC engines with a carburetor are shown in Figure 3.23, SOHC engines with MPI injection - in Figure 3.24, 16V SOHC engines with MPI...

Rocker arms, rocker shafts and camshaft
The rocker arms, rocker shafts and camshaft of 12V SOHC engines are shown in Figure 3.28, 16V SOHC engines (up to 2000) - in Figure 3.29, 16V SOHC engines (since 2000) -...

Camshaft — Checking and Installing
1. Measure the cam height and replace the camshaft if the measured value exceeds the maximum permissible value (Figure 3.32). The camshaft cam height values are given in...

Camshaft Main Bearing Caps — Installation
1. Position the camshaft adjusting pins as shown in Figure 3.34a. With this position of the camshaft adjusting pins, the grooves for tightening the camshaft main bearing...

Rocker Arms and Rocker Arm Axles — Installation
Installing the rocker arm axle 1. On SOHC 12V engines: the rocker shaft with the larger chamfer at the end is positioned in the direction of the flywheel. On SOHC 16V...

Adjusting the thermal clearance of the valves
1. Set the piston of the first cylinder to TDC in the compression stroke. 2. Adjust the valves shown in Figure 3.39a, b. To do this, loosen the lock nut of the adjusting...

Cylinder head and valves
The cylinder head and valves of 12V SOHC engines are shown in Figure 3.42, 16V SOHC engines - in Figure 3.43, DOHC engines - in Figure 3.44. Figure 3.42. Cylinder head...

Cylinder head — check
1. Using a thin ruler and a feeler gauge, check the deformation of the cylinder head sealing surface (Figure 3.45). If the deformation exceeds the maximum permissible...

Valves — Checking
1. Check the valve plate for tightness of fit. Adjust it if necessary. The working surface of the valve seat should be in the middle of the valve plate and evenly...

Valve spring — check
1. Measure the length of the valve spring in a free state (Figure 3.47). If the obtained value is less than the maximum permissible value, the spring must be replaced....

Valve Stem Guide Bushing — Check
1. Measure the clearance between the valve guide and the valve stem (Figure 3.48). If the value is greater than the permissible value, replace the valve guide or valve...

Valve seat — inspection, treatment and replacement
Examination 1. Install the valve. Press the valve stem against the seat and measure the distance from the end of the stem to the working surface of the valve spring seat...

Replacing the valve stem guide bushing
1. Press out the valve stem guide bushing from the cylinder block side. 2. Drill a hole in the cylinder head for the valve stem guide bushing in accordance with its...

Connecting rod and piston — design description
The connecting rod and piston group is shown in Figure 3.53. Figure 3.53, Connecting rod and piston group: 1 - Connecting rod lower cap nut; 2 - Lower connecting rod...

Piston rings — check
1. Check the piston rings for excessive wear, damage or breaks and replace them with new ones if any are defective. If you replaced the piston, you must replace the...

Connecting rod bearings — check
1. The liners are selected in accordance with the identification marks or color coding of the crankshaft and connecting rod (Figure 3.56a, b and Table 3.7). Figure...

Crankshaft and cylinder block
The crankshaft and cylinder block are shown in Figure 3.57. Figure 3.57. Crankshaft and cylinder block: 1, 3, 8, 17 - Bolts; 2, 5 - Flywheels; 4, 6, 9 - Intermediate...

Cylinder Block — Check
1. Visually check for cracks and corrosion; to do this, perform a powder test. If possible, eliminate the defects or replace the cylinder block. 2. Check that the upper...

Main Bearing Shells — Installation
1. The bearing shells are selected in accordance with the identification marks or color coding of the crankshaft, for which purpose Table 3.8 is used. If the bearing...

Main Bearing Caps — Installation
1. On the underside of each cap is the main bearing cap number and an arrow indicating the direction toward the front of the engine (Figure 3.60). Starting with the...

Oil pump and sump — design description
The oil pump and engine sump are shown in Figure 3.62. Figure 3.62. Oil pump and engine sump: 1 - Oil filter; 2 - Threaded drain plug; 3 - Seal; 4. Gearbox support; 5 -...

Oil pump and pan — check
1. Install the rotor into the front crankcase cover. 2. Measure the radial clearance using a feeler gauge (Figure 3.63). Nominal value: 0.06-0.18 mm. Figure 3.63....

Tightening torques for elements and parts of 4G1 engines
Engine mounting elements Tightening torque, Nm Coolant pump pulley bolt 9 Generator stand (generator side) 22 Generator stand (tightened with the cooling system pump) 23...

Changes in the design of 4G1 engines since 2001
Technical data of the 4G1 engine after 2001 are given in Table 17.1. Table 17.1. Technical data of the 4G1 engine after 2001. Parameters Nominal value Resistance of the...

Changes in the design of the intake and exhaust manifold since 2001
The following technical data relate to the addition of a steel pipe intake manifold for 4G1 engines and an exhaust manifold with catalytic converter (Figure 17.8,...

This section is available on: russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

Similar materials for other Mitsubishi models

➤ Power unit: Petrol engines 4G1 Mitsubishi Space Star (1998-2005)

Share with friends:

Link in different formats to this section

TEXTHTMLBB Code