| Engine type |
Six-cylinder, two-row, water-cooled
two camshafts in each head
| |
|
2.5L engine
|
3.0L engine
| |
| Engine code |
X25XE
|
X30XE
|
| Cylinder diameter |
81.6 mm
|
86.0 mm
|
| Piston stroke |
79.6 mm
|
85.0 mm
|
| Volume |
2498 cm³
|
2969 cm³
|
| Maximum power |
125 kW at 6000 rpm
|
155 kW at 6200 rpm
|
| Maximum torque |
227 Nm at 3200 rpm
|
270 Nm at 3600 rpm
|
| Cylinder firing sequence |
1-2-3-4-4-5-6 (cylinder N1 is located on the timing side of the timing belt
belt of the right row of cylinders)
| |
| Direction of rotation of the crankshaft |
Clockwise
| |
| Compression ratio |
10,8: 1
| |
| Compression pressure: | ||
| - nominal |
12 – 15 bar
| |
| – the maximum difference in pressure between two cylinders |
1 bar
| |
| Camshaft | ||
| Cam Height: | ||
| – 2.5 l |
9.2 mm
| |
| – 3.0 l |
10.0 mm
| |
| Lubrication system | ||
| Oil pump |
Rotary type with crankshaft drive
| |
| Minimum allowable oil pressure at idle (temperature oils 80°) |
1.5 bar
| |
| Free play of oil pump rotors: | ||
| - internal rotor |
less than 0.08 mm
| |
| - external rotor |
less than 0.10 mm
| |
Tightening torques, Nm
| Additional Belt Tensioner Bolts |
35
|
| Partition wall bolts |
8
|
| Camshaft Bearing Cap Bolts |
8
|
| Camshaft Cover Bolts |
8
|
| Camshaft Sensor Bolt |
8
|
| Camshaft Sprocket Bolt: | |
| - step 1 |
50
|
| - step 2 |
Tighten another 60°
|
| - step 3 |
Tighten another 15°
|
| Connecting rod cap bolt: | |
| - step 1 |
35
|
| - step 2 |
Tighten another 45°
|
| - step 3 |
Tighten another 15°
|
| Right cylinder block ventilation pipe bolts |
25
|
| Engine bracket bolt intended for mounting lift |
25
|
| Coolant pump bolts |
25
|
| Coolant Pump Pulley Bolts: | |
| - step 1 |
8
|
| - step 2 |
Tighten another 30°
|
| - step 3 |
Tighten another 30°
|
| Engine Crankcase Ventilation Tube Bolts |
8
|
| Crankshaft Pulley Bolts |
20
|
| Crankshaft Sensor Rotor Bolts |
15
|
| Crankshaft Sprocket Bolt: | |
| - step 1 |
250
|
| - step 2 |
Tighten another 45°
|
| - step 3 |
Tighten another 15°
|
| Cylinder head bolts: | |
| - step 1 |
25
|
| - step 2 |
Tighten another 90°
|
| - step 3 |
Tighten another 90°
|
| - step 4 |
Tighten another 90°
|
| - step 5 |
Tighten another 15°
|
| Cylinder Head Coolant Hose Bolts |
30
|
| Drive Disc Bolts: | |
| - step 1 |
65
|
| - step 2 |
Tighten another 30°
|
| - step 3 |
Tighten another 15°
|
| Engine and gearbox mounts: | |
| - left and right supports: | |
| • support fastening nut to the body |
55
|
| • support fastening nut to its bracket |
40
|
| • bolts securing the bracket cylinder block supports |
60
|
| • shock absorber bolts |
40
|
| – rear support: | |
| • bolts securing the support to the gearbox |
40
|
| • nuts securing the support to the crossbar |
20
|
| • bolts securing the crossbar to the body |
45
|
| • bolts securing the box gears to the engine: | |
| • bolts securing the box transmission to the cylinder block |
60
|
| • bolts securing the box transmission to the oil pan flange |
40
|
| Flywheel bolts: | |
| - step 1 |
65
|
| - step 2 |
Tighten another 30°
|
| - step 3 |
Tighten another 15°
|
| Main bearing cap block bolts: | |
| – cover bolts: | |
| • step 1 |
50
|
| • step 2 |
Tighten another 60°
|
| • step 3 |
Tighten another 15°
|
| Block lid fittings |
8
|
| Bolts (M8) securing the block of covers to the cylinder block |
20
|
| Oil radiator: | |
| - cover bolts |
20
|
| - cover nuts |
30
|
| - bolts and nuts for connecting oil radiator tubes |
30
|
| Oil filter |
15
|
| Oil pump cover screws |
8
|
| Oil pump mounting bolts: | |
| - M6 bolts with original rear timing cover belt: | |
| • initial tightening torque |
8
|
| • final tightening torque |
10
|
| – M6 bolts with modified rear timing cover belt |
10
|
| – M8 bolts:
| |
| • step 1 |
12
|
| • step 2 |
20
|
| Oil pickup pipe bolts |
8
|
| Power Steering Pump Pulley Bolts: | |
| - step 1 |
20
|
| - step 2 |
Tighten another 30°
|
| - step 3 |
Tighten another 15°
|
| Oil pan bolts: | |
| – pallet bolts: | |
| • step 1 |
8
|
| • step 2 |
Tighten another 30°
|
| Oil pan casting bolts: | |
| - bolts securing the cast part to the cylinder block and oil pump |
20
|
| - bolts securing the cast part of the gearbox |
40
|
| Oil pan drain plug: | |
| - Hexagon head plug |
55
|
| - plug with square head |
10
|
| Timing Belt Cover Bolts: | |
| - outer cover |
8
|
| – back cover: | |
| • m6 bolts |
8
|
| • m8 bolts |
10
|
| Lower timing belt guide pulley bolt |
40
|
| Tensioner pulley and upper timing pulley belt: | |
| – bolts securing the pulley bracket to the cylinder block |
40
|
| - tensioner pulley nut |
20
|
| - guide pulley bolt |
40
|
Material published on the website [www.opelbook.ru]
Visitor comments