Characteristics of the engine with two overhead camshafts

Engine (General information)

Type - Four-cylinder, in-line, water-cooled. The two overhead camshafts are belt driven and act on hydraulic valve lifters.

• Engine code assigned by the manufacturer - C 20 XE
• Bore/stroke - 86,000/86,000 mm
• The working volume of the cylinder is 1998 cm³
• The order of operation of the cylinders is 1-3-4-2
• Direction of rotation of the crankshaft - Clockwise
• Compression ratio - 10.5
• Max. power - 110 kW at 6000 rpm
• Max. torque - 196 Nm at 4800 rpm
• Max. compression pressure difference in cylinders 1 bar

Cylinder block

All specifications are the same. As for single camshaft engines, except for the following:

Cylinder diameter:	Cylinder diameter	Marking
1st Nominee	85.975-85.985 mm	8
	85.985-85.995 mm	99
	85.995-86.005 mm	00
	86.005-86.015 mm	01
2nd nominal	86.015-86.025 mm	02
0.5 mm enlarged	86.465-86.475 mm	7+0.5
	86.475-86.485 mm	8+0.5
	86.485-86.495 mm	9+0.5
	86.495-86-505 mm	0+0.5

Crankshaft and bearings

All specifications are the same as single overhead camshaft engines except for the following:

Middle neck width:

• Standard - 25.950-26.002 mm
• Size increased by 0.25 mm - 26.150-26.202 mm
• Size increased by 0.5 mm - 26.350 26.402 mm

Pistons

The gap between the piston and the cylinder mirror is 0.020-0.040 mm

Note: Piston Diameters - The pistons are marked as shown above for cylinder bore diameters. The corresponding piston diameter is 0.030 mm smaller than the corresponding cylinder diameter.

Piston rings

All specifications are the same as for motors with one camshaft.

Cylinder head

All specifications are the same. as for single camshaft engines, except for the following:

Overall Head Height (from one mating surface to another) - 135.630 mm

Valve seat bevel width:

• Inlet - 1.000-1.4000 mm
• Release - 1.400-1.8000 mm

Camshafts

• Camshaft journal diameter - 27.939-27.960 mm
• The diameter of the bearing of the distribution vase in the cylinder head and bearing cap is 28.000-28.021 mm
• Max. allowable radial runout - 0.040 mm
• Shaft displacement along the axis - 0.040-0.144 mm

Valves and guides

Rod diameter:	Inlet	Release
Standard	6.955-6.970 mm	6.945-6.960 mm
Oversized by 0.075mm	7.030-7.045 mm	7.020-7.035 mm
Oversized by 0.150 mm	7.105-7.120 mm	7.095-7.110 mm
Valve guide bore diameter:
Standard	7.000-7.015 mm
Oversized by 0.075mm	7.075-7.090 mm
Oversized by 0.150 mm	7.150-7.165 mm

Maximum allowable clearance of the valve stem in the guide:

• Inlet - 0.030-0.060 mm
• Release - 0.040-0.070 mm

Valve seat angle - 44°44'

Valve clearances - Automatic adjustment with hydraulic tappets

Flywheel

All specifications are the same as for 1.8 and 2.0 liter engines with one camshaft.

Lubrication system

All technical specifications are the same as for 1.8 and 2.0 l engines with one camshaft.

Tightening torque with a torque wrench, Nm

All tightening torques are the same as for a 2-liter engine with one camshaft, except for the following:

Bolts of fastening of a cover of a belt of a drive of the mechanism of the gas distributor — 8

Camshaft sprocket bolt - 50, then tighten by an angle of 40-50°


Crankshaft sprocket bolt - 250, then tighten by an angle of 40-50°

Belt tensioner bolts - 25, then tighten by an angle of 45-60°

Cylinder head bolts - 25, then turn 65°, 65°, 65°and 30-45°sequentially in 4 stages (the engine is warm)

Camshaft bearing cap nuts:

• Indigenous (M8) — 20
• rear (M6) — 10

Pallet bolts - 15

Flywheel bolts - 65, then tighten by an angle of 40-50°

Bracket mounting bolts on the engine - 75

Bolts of fastening of an arm of the pump of the amplifier of a steering to the engine — 40

Bolts for attaching the breather tube to the engine - 25