| Designation | SR |
| Engine code: |
Injection engines with pre-mixing fuel (with a single nozzle)
| SR20Di |
| Engine with direct fuel injection: |
| - Model "Phase I" | SR20DE |
| - Model "Phase II low-specification" | SR20De |
| - Model "Phase II high-specification" | SR20DE |
| Working volume of cylinders | 1998 cm / cu |
| Bore | 86,00 mm |
| The piston stroke | 86.0 mm |
| The direction of rotation of the crankshaft | Clockwise (seen on the right side of the car) |
| Finding 1st cylinder | From the timing chain drive |
| Operation of the engine | 1-3-4-2 |
| Compression ratio | 9.8: 1 |
| Pressure cylinder compression |
| Nominal value: |
| - Engines and SR20De SR20Di | 12.26 kgf / cm / q |
| - Engines SR20DE | 12.75 kgf / cm / q |
| The maximum allowable pressure of compression: |
| - Engines and SR20De SR20Di | 10.30 kgf / cm / q |
| - Engines SR20DE | 10.79 kgf / cm / q |
| Maximum permissible difference compression (for all motors) | 1.0 kgf / cm / q |
| Type of oil pump | Gear, driven by the crankshaft of the sock |
| Minimum oil pressure at the operating temperature of the engine: |
| - Idle | not lower than 0.78 kgf / cm / sq |
| - At 3000 rev / min: |
| ??? engines and SR20De SR20Di | 4.0 kgf / cm / q |
| ??? Engine SR20DE | 4.5 kgf / cm / q |
| The gaps of the oil pump: |
| - The gap between the driven gear and the pump housing | 0.11 - 0.20 mm |
- Gap teeth meshing drive and driven gears
| not more than 0.18 mm |
| - Axial play of the driven gear | 0.05 - 0.11 mm |
| - Axial play pinion | 0.05 - 0.09 mm |
| - Gap between the pinion flange and the cover of the oil pump | 0.045 - 0.091 mm |
| Nuts of fastening of the cylinder head cover | 10 |
| Bolt crankshaft pulley | 147 |
| Bolt cover the timing chain drive | 7 |
| Nuts of fastening of the chain tensioner | 8 |
| Bolts crankshaft drive sprocket | 147 |
| Bolts pacifier chains | 16 |
| Bolt axis shoe chain tensioner | 16 |
| Bolts of covers of basic necks of a cam: |
| Cover bolts back neck exhaust camshaft | 22 |
| Bolts rest covers | eleven |
| Bolts cylinder head |
| The main bolts: |
| - 1st stage of tightening | 39 |
| - Stage 2 Tightening | 78 |
| Fully loosen the bolts and re-tighten with the following torque: |
| - 3rd stage tightening | 39 ?± 5 |
| - 4th stage tightening | tighten on a corner 90 - 100 ?° |
| - Stage 5 Tightening | tighten on a corner 90 - 100 ?° |
| Bolts M6 | 7 |
| Nuts and bolts, oil pans sections: |
| Molten aluminum alloy section: |
| - With the numbers 1 - 16, in the prescribed tightening sequence | 18 |
| - With the numbers 17 and 18, the tightening in the established order | 7 |
| Fabricated steel sections | 7 |
| Drain plug oil sump | 35 |
| Bolts central spar suspension of the power unit | 88 |
| Oil pump: |
| - Screw the pump cover | 5 |
| - Screw the pump cover | 5 |
| - Screw the pressure reducing valve | 60 |
| - Screw the bypass valve | 65 |
| Central screw cooler | 39 |
| Bolts flywheel (a leading disk of the torque converter) | 88 |
| The bolts of the rear oil seal | 8 |
| Nuts of fastening of the connecting rod caps: |
| - 1st stage of tightening | 15 |
| - 2nd stage of tightening (tightening wrench with an angular scale) | tighten by an angle 60 - 65 ?° |
| - 2nd stage of tightening (tightening torque wrench without angle scale) | 40 |
| Bolts main bearing caps | 50 |
| - 1st stage of tightening | 35 |
| - 2nd stage of tightening (tightening wrench with an angular scale) | tighten on a corner 45 - 50 ?° |
| - 2nd stage of tightening (tightening torque wrench without angle scale) | 78 |
| Bolts to Engine Transmission: |
| - Screws with a length of less than 45 mm | 19 |
| - Screws with a length of more than 55 mm | 75 |
| Fixing details right power train: |
| - Support bracket bolts to the engine | 49 |
| - Mounting bolts to the engine bracket | 55 |
| - Coupling bolt support | 49 |
| Fixing parts left the suspension of the power unit: |
| - Coupling bolt support | 49 |
| - Mounting bolts of the power unit to the CAT | 49 |
| Bolts front suspension components of the power unit: |
| - Support bracket bolts to the engine | 49 |
| - Fastening the support to the central spar (on cars wagon) | 55 |
| - Coupling bolt support | 70 |
| Bolts rear suspension components of the power unit: |
| - Bolts of a back support to the central spar | 55 |
| - Coupling bolt support | 79 |
| - Support bracket bolts | 69 |
