Engine (Total information)
| Designation | GA |
| Engine code: | |
| - carburettor engines | GA14DS, GA16DS |
| – injection engines | GA14DE, GA16DE |
| Cylinder displacement: | |
| – GA14 | 1392 cc |
| – GA16 | 1597 cc |
| Cylinder inner diameter | 76.00 mm |
| GA14 | 76.0 mm |
| GA16 | 73.6 mm |
| Stroke: | |
| – GA14 | 88.0 mm |
| – GA16 | 81.8 mm |
| Direction of rotation of the crankshaft | Clockwise (when viewed from the right side of the car) |
| Finding the 1st cylinder | Timing Chain Side |
| Engine operation order | 1–3–4–2 |
| Compression ratio: | |
| – GA14DS | 9,5: 1 |
| – GA16DS, GA14DE and GA16DE | 9,8: 1 |
| Compression pressure in cylinders: | |
| - nominal value | 13.2 kgf/cm2 |
| - maximum allowable | 11.3 kgf/cm2 |
| - the maximum allowable difference in compression in the cylinders | 1.0 kgf/cm2 |
| Camshaft and tappets: | |
| - drive unit | From the chain |
| - number of supports | 5 |
| Camshaft end play | |
| Standard: | |
| - carburettor engines | 0.115 - 0.188 mm |
| – injection engines | 0.070 - 0.143 mm |
| Ultimate (for all engines) | 0.20 mm |
| Cam dimensions | |
| intake valves: | |
| - carburettor engines | 39.880 - 40.070 mm |
| – injection engines | 39.380 - 39.570 mm |
| exhaust valves (for all engines) | 39.880 - 40.070 mm |
| Camshaft journal diameters: | |
| - front support neck (N1) | 27.935 - 27.955 mm |
| - other support necks (N2–5) | 23.935 - 23.955 mm |
| Inner diameter of the camshaft bearings in the cylinder head: | |
| - front neck support (N1) | 28.000 - 28.021 mm |
| - under the other necks (N2–5) | 24.000 - 24.021 mm |
| Clearance in the camshaft bearing journals: | |
| – standard | 0.045 - 0.086 mm |
| - marginal | 0.15 mm |
| Camshaft runout: | |
| – standard | Not more than 0.02 mm |
| - limiting | 0.1 mm |
| Outer diameter of pusher | 29.960 - 29.975 mm |
| The inner diameter of the hole for the pusher in the cylinder head | 30.000 - 30.021 mm |
| Gap between tappet and hole | 0.025 - 0.061 mm |
| valve clearances | |
| On a cold engine (*): | |
| - inlet valves | 0.25 - 0.33 mm |
| – exhaust valves | 0.32 - 0.40 mm |
| On a hot engine: | |
| - for check: | |
| • inlet valves | 0.21 - 0.49 mm |
| • exhaust valves | 0.30 - 0.58 mm |
| - to adjust: | |
| • inlet valves | 0.32 - 0.40 mm |
| • exhaust valves | 0.37 - 0.45 mm |
(*) Valve clearances are checked only on a hot engine. The manufacturer has set standard clearances for a warm and cold engine. Clearances on a cold engine are checked only before starting the engine after a major overhaul. After warming up the engine, check the clearances again.
Lubrication system
| Oil pump type | Gear, driven by the toe of the crankshaft |
| Minimum oil pressure at engine operating temperature: | |
| - at idle | 0.49 - 1.86 kgf / cm2 |
| – at 3000 rpm | 3.43 - 4.41 kgf / cm2 |
| Oil pump clearances: | |
| - gap between the driven gear and the pump housing | 0.11 - 0.20 mm |
| - gap between the driven gear and the calibration crescent insert | 0.04 - 0.38 mm |
| - gap between the drive gear and the calibration crescent insert | 0.04 - 0.30 mm |
| - axial play of the driven gear | 0.05 - 0.11 mm |
| - axial play of the drive gear | 0.05 - 0.09 mm |
- gap between the end face of the drive gear and the oil pump cover | 0.045 - 0.091 mm |
Tightening torques (in Nm)
| Bolts of fastening of a cover of a head of the block of cylinders | 4 |
| Bolt of fastening of a pulley of a crankshaft | 142 |
| Lower Chain Tensioner Bolts | 9 |
| Camshaft Driven Sprocket Inspection Cover Nuts and Bolts | 5 |
| Camshaft chain intermediate sprocket bolt | 50 |
| Bolts of fastening of a conducted asterisk of a camshaft | 115 |
| Lower chain guide bolts | 16 |
| Bolt of an axis of a shoe of a natyazhitel of the lower chain | 16 |
| Upper chain tensioner bolts | 8 |
| Upper chain guide bolts - on early production vehicles | 8 |
| Top Track Bolts - Early Model Vehicles | 11 |
| Bolts of covers of basic necks of a cam-shaft | 11 |
| Cylinder head bolts | |
| Main bolts: | |
| – 1st tightening step | 29 |
| – 2nd tightening stage | 59 |
| Completely loosen the bolts and tighten again with the torque of the 3rd stage | |
| – 3rd stage tightening | 29 |
| – 4th tightening stage (when tightened with an angle wrench) | Tighten by an angle of 50 - 55° |
| – 4th tightening step (when tightened with a torque wrench without angle scale) | 59 ± 5 |
| Bolts M6 (fastening the chain drive cover to the cylinder head) | 8 |
| Oil pan nuts and bolts | 8 |
| Oil pan drain plug | 35 |
| Bolts of the side member of the power unit | 88 |
Oil pump: | |
| – pump cover screws | 5 |
| – pump cover bolt | 5 |
| - pressure relief valve bolt | 50 |