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Colt 5 (1995-2003, petrol) Colt 4 and 5 (1991-2003) Colt 2 and 3 (1983-1993)

4G9 gasoline engines of car Mitsubishi Colt 5 (CJ)

Technical data and characteristics of 4G9 engines
Technical data of 4G9 engines are given in tables 4.1 and 4.2. Technical characteristics of engines are entered in table 4.3. Table 4.1. Technical data of 4G92 engines...

Toothed timing belt — design description
The timing belt for Lancer with SOHC engines until 2000 is shown in fig. 4.2, timing belt for Lancer since 2001 - in fig. 4.3. Pic. 4.2. Toothed timing belt for Lancer...

Toothed timing belt — check
The belt must be checked carefully. If the following defects are found, the belt must be replaced with a new one: hardened rubber on the outside of the belt. The outer...

Intake and exhaust manifolds
The intake and exhaust manifolds of SOHC engines with a carburetor are shown in fig. 4.9, and SOHC engines with MPI injection - in fig. 4.10a, b. Pic. 4.9. SOHC engine...

Rocker arms and camshaft
Rocker arms and camshaft for SOHC engines up to 2000 onwards. shown in fig. 4.12. Pic. 4.12. Rocker arms and camshaft for SOHC engines up to 2000: 1, 2 - Crankcase...

Checking the camshaft
Measure cam height (pic. 4.13). The dimensions of the intake and exhaust valve cams are shown in Table 4.4. Pic. 4.13. Checking the height of the camshaft cam Table 4.4....

Cylinder head and valves
The cylinder head and valves of SOHC engines are shown in fig. 4.14. Pic. 4.14. Cylinder head and valves for SOHC engines: 1 - Bolt of fastening of a head of the block...

Cylinder head — check
1. Check the deformation of the cylinder head with a ruler and measuring plate (pic. 4.15). The normal value is 0.03 mm. The limit value is 0.02 mm. Permissible grinding...

Valves — wear check
1. Check the normal fit of the valve disc to the seat. If the contact is uneven or incomplete, lap the valve and valve disc seat. 2. If the valve head height is less...

Valve springs — check
1. Measure the free length of the spring. If the measured value is less than the limit value, replace the spring (tab. 4.7). Table 4.7. Valve spring dimensions Options...

Valve seat — check
1. Install the valve, press it against the seat and measure the distance from the end of the stem to the working surface of the valve spring seat (pic. 4.18). If the...

Valve stem guide — check and replace
Examination 1. Determine the gap between the valve stem guide bushing and the stem (pic. 4.19a). If the value obtained is greater than the allowable value, replace the...

Valve seat replacement and processing
1. If it is necessary to remove the valve seat, first grind the inside of the seat with a cutter to make it easier to remove (pic. 4.20). Pic. 4.20. To ease the removal...

Sump and oil pump — design description
The sump and oil pump for SOHC engines are shown in fig. 4.23. Pic. 4.23. Sump and oil pump for SOHC engines: 1 - Oil pressure sensor; 2 - Oil filter; 3 - Drain plug; 4...

Oil pump check
1. Check radial clearance (pic. 4.24). Normal value: 0.06-0.18mm. Pic. 4.24. Checking the radial clearance of the oil pump 2. Check the axial clearance (pic. 4.25)....

Connecting rod and piston group — design description
The connecting rod and piston group is shown in fig. 4.27 Pic. 4.27. Connecting rod and piston group: 1 - Nut; 2 - Connecting rod cover; 3 - Lower connecting rod...

Compression rings — installation
1. Using pliers, install the compression rings, with the alignment marks up (pic. 4.28a). Distinguishing marks: upper compression ring - T, lower compression ring - 2T...

Oil scraper ring — installation
1. Install the oil ring sprayer in the groove. Install the top ring first, then the bottom one (pic. 4.29). Pic. 4.29. Installing the oil scraper ring Attention! Rings...

Piston and connecting rod — installation
1. Lubricate the piston, compression and oil scraper rings around the circumference with engine oil 2. Install piston ring locks as shown in Figure 4.30. Install the...

Piston ring clearance check
1. Check clearance between piston ring and groove (pic. 4.31). If the clearance is too large, replace the ring or piston. Normal value: upper compression ring is...

Crankshaft, cylinder block, flywheel and drive plate
The crankshaft, cylinder block, flywheel and drive plate when installing a manual transmission is shown in fig. 4.33, and the crankshaft, cylinder block, flywheel and...

Installing the crankshaft bearings
1. When replacing the liners, observe the alignment of the alignment marks printed on the crankshaft and the upper surface of the cylinder block (tab. 4.9). 2. Install...

Checking the block of cylinders
1. Using a ruler and a measuring gauge, check the upper part of the cylinder block for deformation, scratches, corrosion (see fig. 4.36). By applying paint, cracks can...

Tightening torques for elements and parts of 4G9 engines
Fasteners Tightening torques, Nm Generator and ignition system Oil level sensor 13 Distributor 12 Ignition coil 10 Spark plug 25 Crankshaft center bolt 181 Power...

Changes in the design of 4G1 engines since 2001
Engine Diagnostic Trouble Codes Engine diagnostic trouble codes are the same as for 4G1 engine , but there are two more codes to consider: P0100 - air flow meter and...

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