3.3.1. Technical characteristics
| Engine type |
Six-cylinder two-row with water cooling and two camshafts in each head
| |
|
2,5 l engine
|
3,0 l engine
| |
| Engine code |
X25XE
|
X30XE
|
| Diameter of the cylinder |
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
|
| The maximum rotating moment |
227 N of m at 3200 rpm
|
270 N of m at 3600 rpm
|
| Sequence of operation of cylinders |
1–2–3–4–5–6 (the N1 cylinder is located from a gas-distributing belt of the right number of cylinders)
| |
| Direction of rotation of a bent shaft |
Clockwise
| |
| Extent of compression |
10,8: 1
| |
| Compression pressure: | ||
| – nominal |
12 – 15 bars
| |
| – 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 |
Rotor type with the drive from a bent shaft
| |
| Minimum admissible pressure of oil idling (oil 80 temperature °) |
1,5 bars
| |
| Free wheeling of rotors of the oil pump: | ||
| – internal rotor |
less than 0,08 mm
| |
| – external rotor |
less than 0,10 mm
| |
Moments of an inhaling, N. of m.
| Bolts of a natyazhitel of an additional belt |
35
|
| Bolts of a dividing partition |
8
|
| Bolts of covers of bearings of the camshaft |
8
|
| Camshaft cover bolts |
8
|
| Camshaft sensor bolt |
8
|
| Camshaft asterisk bolt: | |
| – step 1 |
50
|
| – step 2 |
Tighten for 60 °
|
| – step 3 |
Tighten for 15 °
|
| Rod cover bolt: | |
| – step 1 |
35
|
| – step 2 |
Tighten for 45 °
|
| – step 3 |
Tighten for 15 °
|
| Bolts of a ventilating tube of the right block of cylinders |
25
|
| Bolt of an arm of the engine intended for fastening of the elevator |
25
|
| Bolts of the pump of cooling liquid |
25
|
| Bolts of a pulley of the pump of cooling liquid: | |
| – step 1 |
8
|
| – step 2 |
Tighten for 30 °
|
| – step 3 |
Tighten for 30 °
|
| Bolts of a ventilating tube of a case of the engine |
8
|
| Bolts of a pulley of a bent shaft |
20
|
| Bolts of a rotor of the sensor of a bent shaft |
15
|
| Bolt of an asterisk of a bent shaft: | |
| – step 1 |
250
|
| – step 2 |
Tighten for 45 °
|
| – step 3 |
Tighten for 15 °
|
| Bolts of a head of cylinders: | |
| – step 1 |
25
|
| – step 2 |
Tighten for 90 °
|
| – step 3 |
Tighten for 90 °
|
| – step 4 |
Tighten for 90 °
|
| – step 5 |
Tighten for 15 °
|
| Bolts of a branch pipe of cooling liquid of a head of cylinders |
30
|
| Bolts of a drive plate: | |
| – step 1 |
65
|
| – step 2 |
Tighten for 30 °
|
| – step 3 |
Tighten for 15 °
|
| Fastenings of the engine and transmission: | |
| – left and right support: | |
| • the nut fixing a support to a body |
55
|
| • the nut fixing a support to its arm |
40
|
| • the bolts fixing a support arm to the block of cylinders |
60
|
| • shock-absorber bolts |
40
|
| – back support: | |
| • the bolts fixing a support to the transmission |
40
|
| • the nuts fixing a support to a cross-piece |
20
|
| • the bolts fixing a cross-piece to a body |
45
|
| • the bolts fixing the transmission to the engine: | |
| • the bolts fixing the transmission to the block of cylinders |
60
|
| • the bolts fixing the transmission to a flange of the oil pallet |
40
|
| Flywheel bolts: | |
| – step 1 |
65
|
| – step 2 |
Tighten for 30 °
|
| – step 3 |
Tighten for 15 °
|
| Bolts of the block of covers of radical bearings: | |
| – bolts of covers: | |
| • step 1 |
50
|
| • step 2 |
Tighten for 60 °
|
| • step 3 |
Tighten for 15 °
|
| Fitting of the block of covers |
8
|
| The bolts (M8) fixing the block of covers to the block of cylinders |
20
|
| Oil heater: | |
| – cover bolts |
20
|
| – cover nuts |
30
|
| – bolts and nuts of connections of tubes of the oil heater |
30
|
| Oil filter |
15
|
| Screws of a cover of the oil pump |
8
|
| Fixing bolts of the oil pump: | |
| – M6 bolts with an original back cover of a gas-distributing belt: | |
| • initial moment of an inhaling |
8
|
| • final moment of an inhaling |
10
|
| – M6 bolts with the modified back cover of a gas-distributing belt |
10
|
| – M8 bolts: | |
| • step 1 |
12
|
| • step 2 |
20
|
| Bolts of a maslozaborny branch pipe |
8
|
| Bolts of a pulley of the pump of the hydraulic booster of steering: | |
| – step 1 |
20
|
| – step 2 |
Tighten for 30 °
|
| – step 3 |
Tighten for 15 °
|
| Bolts of the oil pallet: | |
| – pallet bolts: | |
| • step 1 |
8
|
| • step 2 |
Tighten for 30 °
|
| Bolts of a cast part of the oil pallet: | |
| – the bolts fixing a cast part to the block of cylinders and the oil pump |
20
|
| – the bolts fixing a cast part to the transmission |
40
|
| Cap of a drain opening of the oil pallet: | |
| – a cap with a six-sided head |
55
|
| – a cap with a tetrahedral head |
10
|
| Bolts of a cover of a gas-distributing belt: | |
| – external cover |
8
|
| – back cover: | |
| • M6 bolts |
8
|
| • M8 bolts |
10
|
| Bolt of the lower directing pulley of a gas-distributing belt |
40
|
| Pulley of a natyazhitel and the top directing pulley of a gas-distributing belt: | |
| – the bolts fixing an arm of pulleys to the block of cylinders |
40
|
| – nut of a pulley of a natyazhitel |
20
|
| – a bolt of the directing pulley |
40
|