Specifications of gasoline 6-cylinder engines

Tightening torques for threaded connections, Nm

• Connecting branch pipe of the distribution fuel line to the intake manifold - 8
• Connecting branch pipe of a distributive fuel pipeline - 15
• Starter to cylinder block - 45
• Fuel distribution line to flange - 20
• Flange of a distributive fuel line to a head of the block of cylinders — 20
• Drive disc/flywheel to crankshaft — 65 + 30°and 15°turns (bolts must be replaced with new ones after each dismantling and installed with red sealant)
• Exhaust manifold to cylinder head - 20 (nuts must be replaced after each disassembly)
• Oil filter cap - 25
• Cover of a radiator of a heater to the case of a heater — 30
• Cover of a heater to the block of cylinders — 20
• Ignition block to cylinder head - 8
• Vibration damper to the gear on the crankshaft - 20
• Throttle valve to intake manifold - 8
• The pressure head pipeline to the pump of the hydraulic booster of a steering — 28
• Accelerator pedal to bulkhead - 20
• Support leg to the anti-roll bar - 65 (nuts must be replaced after each disassembly)
• Generator to cylinder block and oil pump - 35
• Transmission to the block of cylinders. Bolts M8 - 20
• Transmission to the block of cylinders. Bolts M12 - 60
• Gearbox support to the body - 45 (bolts are installed with red sealant)
• Tension rollers for toothed and ribbed belts - 40
• An arm of fastening of auxiliary units to the block of cylinders — 35
• Crankshaft speed sensor to cylinder block - 8
• Crankshaft speed sensor gear - 15 (bolt must be replaced after each disassembly)
• Air conditioner pipelines to the compressor - 40
• Water pump drive pulley - 8 + 30°and 30°turns (the bolt must be replaced with a new one after each dismantling)
• Power steering pump pulley - 8 + 30°and 30°turn (the bolt must be replaced with a new one after each dismantling)
• Auxiliary drive belt tensioner to cylinder head - 35
• Knock sensor to cylinder block - 20
• Fuel lines to the connecting pipe - 15
• Cooling block to cylinder head - 30 (replace copper rings with new ones)
• The pipeline of cooling to the block of cylinders — 20
• Water pump to cylinder block - 25
• The pipeline of cooling to a head of the block of cylinders - 25
• Ball joint to the steering knuckle - 100 (replace nuts with new ones)
• Main bearing housing to cylinder block - 20
• Main bearing caps and main bearing housing to cylinder block - 50 + 60°and 15°turn (bolts must be replaced with new ones after each dismantling)
• Lambda probe in the exhaust pipe - 30 (black grease)
• Lever to steering shaft — 160 (replace old nuts with new ones)
• Front engine mount to bracket - 40
• Front engine support to the body - 55
• Engine mount to cylinder block - 60
• Camshaft bearing caps to cylinder head - 8
• Camshaft gear - 50 + 60°and 15°turns (bolt must be replaced after each disassembly)
• Camshaft position sensor - 8
• Oil pan drain plug with socket head - 10
• Oil pan drain plug with hex head - 55
• Engine oil pressure sensor to oil pump - 40
• Oil filter to the cylinder block - 45
• Oil pipelines to the cooling radiator - 30 + turn by 30°and 15° (bolt must be replaced after each disassembly)
• Oil lines to the cylinder block - 30
• Oil pump to cylinder block. Bolts M8 - 12 + 20 (with red sealant. An additional turn of 20 Nm is performed after installing the lower generator mounting bolt)
• Supply and return oil lines to the cylinder block - 30
• Oil pan for transmission. Bolts M8 - 20
• Oil pan for transmission. Bolts M10 - 40
• The upper part of the oil pan to the cylinder block and oil pump - 15
• The lower part of the oil pan to the top - 8 + turn 30° (bolts must be replaced with new ones)
• Connecting rod cap - 35 + 45°and 15°turn (bolts must be replaced with new ones)
• Wheel bolts - 110
• Gearshift lever to the box - 20
• The tip of the transverse tie rod to the steering knuckle - 60 (nut must be replaced)
• Coolant temperature sensor - 18
• Intake manifold bracket to cylinder block - 25
• Thermostat housing - 20
• Brake booster hose to intake manifold - 20
• Air conditioning compressor to bracket - 35
• Pressure reducing valve to the oil pump - 60
• Safety valve to the oil pump - 30
• Front cross member to the body — 65 + 30°and 15°turns (bolts must be replaced after each disassembly)
• Front bolts for fastening the front cross member - 150 + 30°and 15°turns (bolts must be replaced after each disassembly)
• Rear front end cross member mounting bolts - 130 + 30°and 15°turns (bolts must be replaced after each disassembly)
• Downpipe to exhaust manifold - 30
• Toothed belt guide roller to cylinder block, bracket and oil pump - 40
• Toothed belt gear to crankshaft - 250 + 45°and 15°turns (bolts must be replaced after each disassembly)
• Spark plugs - 25
• Cylinder head - 25 + 90°+ 90°+ 90°and 15°turns (bolts must be replaced after each disassembly. Subsequent pull-ups are not allowed)

Cylinder head and valves (see illustration 0.0)

X25XE, X30XE, Y26SE, Y32SE engines

Cylinder head height, mm - 134

Width of a landing saddle of the valve in a head of the block of cylinders, mm

• intake valves - 1.0-1.4
• exhaust valves - 1.0-1.8

The angle of the landing chamfer of the valve seat in the cylinder head is 90°

Valve guide diameter, mm

• nominal size - 6,000-6,012
• 1st repair size - 6.075-6.090

Valve guide length, mm

• intake valves - 44.70-45.30
• exhaust valves - 34.70-35.30

Valve guide protrusion, mm

• intake valves - 13.7-14.0
• exhaust valves - 13.7-14.0

Valve stem protrusion, mm

• nominal size - 39.6-40.2
• 1st repair size (0,075) — 39,2-39,8

Valve stem length, mm

• intake valves - 101.9-102.3
• exhaust valves - 92.05-92.45

1st repair size (0,075)

• intake valves - 101.5-101.9
• exhaust valves - 91.65-92.05

Valve stem diameter, mm

• intake valves - 5.955-5.970
• exhaust valves - 5.945-5.960

1st repair size

• intake valves - 6.030-6.045
• exhaust valves - 6.020-6.035

Valve stem clearance, mm

• intake valves - 0.030-0.057
• exhaust valves - 0.040-0.067

Permissible ovality of the valve stem, mm - 0.03

Valve disc diameter, mm

• intake valves - 31.9-32.1
• exhaust valves - 28.9-29.1

The angle of the landing chamfer of the valve seat in the cylinder head - 90°40'

Attention! Grinding of the cylinder head is not permitted.

Crankshaft (see illustration 0.0a)

X25XE, X30XE, Y26SE, Y32SE engines

Diameter of necks of a cranked shaft, mm

main journals 1-3 - color marking

• 67.980-67.988 - green
• 67.988-67.996 - brown

1st repair size (0,25)

• 67.730-67.738 - green/blue
• 67.738-67.746 - brown/blue

2nd repair size (0,50)

• 67.480-67.488 - green/white
• 67.488-67.496 - brown/white

medium neck 4

nominal size

• 24,500-24,552

1st repair size (0,25)

• 24,700 - 24,752

2nd repair size (0,50)

• 24,900-26,952

X25XE, Y26SE engines

connecting rod journals 1-6 - color marking

nominal size

• 48,971-48,990

1st repair size (0,25)

• 48.721-48.740 - blue

2nd repair size (0,50)

• 48.471-48.490 - white

X30XE, Y32SE engines

connecting rod journals 1-6 - color marking

nominal size

• 53,971-53,990

1st repair size (0,25)

• 53.721-53.740 - blue

2nd repair size (0,50)

• 53.471-53.490 - white

X25XE, X30XE, Y26SE, Y32SE engines

Lower shells of main bearings

color marking - thickness, mm

nominal size

• brown - 1.989-1.995
• green - 1.995-2.001

1st repair size (0,25)

• brown / blue - 2.114-2.120
• green / blue - 2.120-2.126

2nd repair size (0,50)

• brown/white - 2.239-2.245
• green/white - 2.245-2.251

Upper main bearing shells

color marking - thickness, mm

nominal size

• brown - 1.989-1.995
• green - 1.995-2.001

1st repair size (0,25)

• brown / blue - 2.114-2.120
• green / blue - 2.120-2.126

2nd repair size (0,50)

• brown/white - 2.239-2.245
• green/white - 2.245-2.251

Nominal clearance of main bearings, mm - 0.014 - 0.043

X25XE, X30XE, Y26SE, Y32SE engines

Lower conrod bearing shells


color marking - thickness, mm

nominal size

• 1,490- 1,500

1st repair size (0,25)

• blue - 1.615-1.625

2nd repair size (0,50)

• white - 1.740-1.750

Upper connecting rod bearings

color marking - thickness, mm

nominal size

• 1,490-1,500

1st repair size (0,25)

• blue - 1.615-1.625

2nd repair size (0,50)

• white - 1.740-1.750

Rated clearance of connecting rod bearings, mm - 0.0010-0.061

Cylinder block (see illustration 0.0b)