TIGHTENING TORQUE
For tightening torques not in the text, see TIGHTENING TORQUE.
Scheme 719
Install the rear timing cover.
Screw into place at the three mounting points.
Install the water pump with a new gasket .
Apply thread sealant, P/N 11-61 056, to all the screws for the water pump. Tighten the screws crosswise.
Scheme 720
Use a new gasket and a new O-ring around the oil pump housing and new screws. Alternatively, apply thread sealant 11 61 056 to the underside of the old screw heads.
Screw sliding sleeve see 9995747 into place at the front of the crankshaft journal.
Press in the pump over the sliding sleeve.
Install the screws as a guide.
Carefully tap in the oil pump with a rubber mallet.
Tighten the oil pump crosswise. See SUMMARY OF SPECIFIC COMPONENTS AND TIGHTENING TORQUES.
Remove the sliding sleeve see 9995747.
TIGHTENING
For tightening torques not in the text, see TIGHTENING TORQUE.
Scheme 721
Install
- the coolant outlet pipe on the cylinder head. Use a new gasket. Tighten to 17 Nm .
- the rear timing cover. Screw the cover into place at the three mounting points
- thermostat housing / cable duct. Use a new gasket. Ensure that the coolant temperature sensor cable and cable duct are correctly positioned.
- the thermostat. Use a new gasket
- the thermostat cover. Tighten
- the water pump with new gasket. Apply thread sealant, P/N 11-61 056, to all the screws for the water pump. Tighten alternately.
Scheme 722
Use a new gasket and new O-ring around the pump housing.
Screw sliding sleeve see 9995747 into place at the front of the crankshaft journal.
Press in the pump over the sliding sleeve.
Apply thread sealant, P/N 11-61 056 to all the screws for the oil pump.
Install the screws as a guide.
Carefully tap in the oil pump with a rubber mallet.
Tighten the oil pump crosswise.
Remove the sliding sleeve 999 5747.
Install the fuel delivery line.
For tightening torques not in the text, see TIGHTENING TORQUE.
For tightening torques not in the text, see TIGHTENING TORQUE.
TIGHTENING THE INTERMEDIATE SECTION
Install the two old screws for the flywheel and carrier plate at the rear edge of the crankshaft. Lift these and the front of the crankshaft.
Carefully position the crankshaft in the block. The crankshaft must not be turned before the intermediate section has been torque tightened. Position the intermediate section. Lubricate and install all the screws.
Note. Use new M10 screws.
| CAUTION | The M8-screws on the exhaust side are two different lengths. |
Install the intermediate section and the screws on the exhaust side at bearing recesses 2 and 5.
Pull down the intermediate section. Tighten the screws. See SUMMARY OF SPECIFIC COMPONENTS AND TIGHTENING TORQUES.
TIGHTENING THE CONNECTING ROD COVER
Note. The crankshaft must not be rotated before the connecting rod cover has been tightened.
Install the cap. Check that any markings correspond.
Lubricate and install new screws. Tighten the screws. See TIGHTENING TORQUE.
Check that the connecting rod can be moved sideways.
TIGHTENING TORQUES
For tightening torques not in the text, see TIGHTENING TORQUE.
Install the cover. Check that any markings correspond.
Lubricate and install new seals. Tighten in two stages
1. 20 Nm .
2. Angle-tighten 90° .
Check that the connecting rod can be moved sideways.
Note. The crankshaft must not be rotated before the connecting rod cover has been tightened.
Scheme 723
Install a new sealing ring on the suction pipe.
Carefully press the suction pipe down into the intermediate section.
Check that the sealing ring is correctly positioned.
Install the screws and tighten.
Install new sealing rings for the oil pan oil ducts.
Scheme 724
Wipe the mating surfaces dry.
Apply liquid gasket 11 61 059 to the oil pan. Use roller see 9512767.
Note. Ensure that the area around the screw holes is also covered with liquid gasket.
The surface must be completely covered without any excess.
Position the pan and install all screws
| CAUTION | Check that the rear edge of the oil pan is in line with the rear edge of the cylinder block. Permissible tolerance ± 0.025 mm. Use a steel ruler and feeler gauge. |
Tighten the screws from the rear of the pan and forward.
Scheme 725
Install
- new sealing rings in the oil pan
- the oil cooler. Tighten
- the oil filter.
SPECIFICATIONS, MECHANICAL
Note. The illustrations in this service information are used for different model years and / or models. Therefore there may be some variation. However, the essential information in the illustrations is always correct.
ENGINE MANUFACTURE NUMBER, ENGINE SERIAL NUMBER AND TYPE
Scheme 726
The engine manufacture number and type are stamped on the right side of the cylinder block.
There is also a decal on the timing cover with the engine type, manufacture number and serial number.
CLASSIFICATION OF MAIN BEARINGS
The marking is stamped on the cylinder block and crankshaft.
| Cylinder block classification / Crankshaft classification | A small diameter | B medium diameter | C large diameter | |||
|---|---|---|---|---|---|---|
| Block | Intermediate section | Block | Intermediate section | Block | Intermediate section | |
| A small | Yellow medium | Yellow medium | Yellow medium | Blue thick | Blue thick | Blue thick |
| B medium | Red thin | Yellow medium | Yellow medium | Yellow medium | Yellow medium | Blue thick |
| C large | Red thin | Red thin | Red thin | Yellow medium | Yellow medium | Yellow medium |
OTHER GENERAL DATA
| B6284T | B6294S | |
|---|---|---|
| No. of cylinders | 6 | 6 |
| Bore mm | 81.0 | 83.0 |
| Stroke mm | 90.0 | 90.0 |
| Cylinder displacement dm 3 (litres) | 2.780 | 2.920 |
| Firing order | 1-5-3-6-2-4 | 1-5-3-6-2-4 |
| Compression Mpa | 1.3-1.5 | 1.3-1.5 |
| Maximum difference between highest / lowest Mpa | 0.2 | 0.2 |
| Total weight, (incl. auxiliary equipment and oil) kg | Approximately 190 | Approximately 180 |
PISTONS
Scheme 727
| Standard | B6284T | B6294S |
|---|---|---|
| C-marked........ (mm) | 80.98-80.99 | 82.98-82.99 |
| D-marked........ (mm) | 80.99-81.00 | 82.99-83.00 |
| E-marked........ mm | 81.00-81.01 | 83.00-83.01 |
PISTON DIAMETER (D)
| Measured cylinder diameter........ | 81.015 mm |
|---|---|
| Measured piston diameter........ | 80.995 mm |
| The piston running clearance is........ | 0.020 mm |
| The piston running clearance must be 0.010-0.030 mm. |
PISTON RUNNING CLEARANCE (EXAMPLE)
Piston rings
| Upper compression ring........0.030-0.070 mm |
|---|
| Lower compression ring........0.030-0.070 mm |
| Oil scraper ring........0.038-0.142 mm |
AXIAL CLEARANCE B6294S
| Upper compression ring........0.050-0.090 mm |
|---|
| Lower compression ring........0.030-0.070 mm |
| Oil ring........0.020-0.060 mm |
AXIAL CLEARANCE B6284T
| Upper compression ring........1.20 mm |
|---|
| Lower compression ring........1.50 mm |
| Oil ring........2.50 mm |
DIMENSIONS B6294S
| Upper compression ring........1.20 mm |
|---|
| Lower compression ring........1.75 mm |
| Oil ring........3.00 mm |
DIMENSIONS, B6284T
| B6284T........23.0 +0/-0.004 mm |
|---|
| B6294S........21.0 +0/-0.004 mm |
PISTON PIN, DIAMETER
VALVES
Scheme 728
| Inlet | B6284T........31.00 ± 0.15 mm |
|---|---|
| B6294S........32.00± 0.15 mm | |
| Exhaust | B6284T........27.00 ±0.15 mm |
| B6294S........27.00 ± 0.15 mm |
VALVE CROWN DIAMETER (A)
| Inlet | B6284T........6.970 +0/-0.015 mm |
|---|---|
| B6294S........6.963± 0.007 mm |
VALVE STEM DIAMETER (B)
| Exhaust | B6284T (H1=22.7 mm)........6.962 ± 0.007 mm |
|---|---|
| B6294S (H1=17.4 mm)........6.963± 0.007 mm |
VALVE STEM DIAMETER (B1)
| Exhaust | B6284T (H2=65.1 mm)........6.954 ± 0.007 mm |
|---|---|
| B6294S (H2=70.4 mm)........6.953± 0.007 mm |
VALVE STEM DIAMETER (B2)
| Inlet | B6284T........104.25 ± 0.22 mm |
|---|---|
| B6294S........104.25± 0.22 mm | |
| Exhaust | B6284T........103.30 ±0.27 mm |
| B6294S........130.30±0.22 mm |
TOTAL VALVE LENGTH (C)
| Inlet and exhaust........1.5 mm |
|---|
| Minimum height after grinding........1.2 mm |
DISC EDGE HEIGHT (D)
| Inlet........44.5° |
|---|
| Exhaust........44.5° |
MATING SURFACE ANGLE (E)
Scheme 729
| Valve stem height........48.5± 0.4 mm |
|---|
| Maximum machining of the valve stem........0.4 mm |
VALVE STEM VERTICAL POSITION
VALVE SEATS
Scheme 730
| Angles |
|---|
| Inlet and exhaust matching surface angles........45° |
| Upper reduction angle........20° |
| Lower reduction angle........60° |
| Valve seat width (a) |
| Inlet........1.4-1.8 mm |
| Exhaust........1.8-2.2 mm |
TAPPETS
Scheme 731
| External diameter (A)........32 +0.025/-0.041 mm. |
|---|
| External height (B)........26± 0.5 mm. |
| Clearance, top of tappets |
| Unloaded (C1)........ min 18.40/max 20.40 mm. |
| Compressed (C2)........16.35 +0.25/-0.10 |
TAPPETS, DIMENSIONS
VALVE SPRINGS
| Variant | Length | Type |
|---|---|---|
| All | 43.3 +1.5/-0.5 | Conical |
VALVE SPRINGS, DIMENSIONS
VALVE GUIDES
Scheme 732
| Inlet and exhaust........0.03-0.06 mm |
CLEARANCE BETWEEN NEW COMPONENTS
| Inlet and exhaust........0.15 mm |
MAXIMUM PLAY FOR USED COMPONENTS
CAMSHAFTS
| Engine type | Camshaft | |||
|---|---|---|---|---|
| Marking | Maximum lift height | |||
| Inlet | Exhaust | Inlet | Exhaust | |
| B6284T | 1275360 | 1275361 | 7.95 | 7.95 |
| B6294S | 1275358 | 1275359 | 9.00 | 9.00 |
CYLINDER HEAD
Scheme 733
| Front-rear........0.50 mm |
|---|
| Lateral........0.20 mm |
| Cylinder head height........129.0 ± 0.05 |
| Maximum machining........0.30 mm |
MAXIMUM OUT-OF-TRUE
| CAUTION | Scratches and corrosion to the cylinder head gasket face should only be machined on a flat cylinder head. |
CYLINDER BORE DIAMETER
| Standard | B6284T | B6294S |
|---|---|---|
| C-marked (mm) | 81.00-81.01 | 83.00-83.01 |
| D-marked (mm) | 81.01-81.02 | 83.01-83.02 |
| E-marked (mm) | 81.02-81.03 | 83.02-83.03 |
CRANK MECHANISM
| Main bearing journal radial run out........ maximum 0.040 mm |
|---|
| Axial play (Measured in the engine with the intermediate section tightened)........0.08-0.19 mm |
| Main bearing journal radial runout........0.020-0.043 mm |
CRANKSHAFT
| Diameter 1 ........50.000 +0/-0.016 mm |
|---|
| Bearing recess width........26.0 ± 0.1 mm |
| Maximum out-of-round........0.004 mm |
| Maximum taper........0.004 mm |
| 1 The variation in diameter for each bearing journal must not exceed 0.008 mm. |
BIG END JOURNALS
| Diameter 1 ........65.000 +0.003/-0.016 mm |
|---|
| Axial bearing width dimension........26.00 +0/-0.04 mm |
| Maximum out-of-round........0.004 mm |
| Maximum taper........0.004 mm |
| 1 The variation in diameter for each bearing journal must not exceed 0.008 mm. |
MAIN BEARING JOURNALS
Scheme 734
| Bearing end diameter, big end........53.00 +0.013/-0 mm |
|---|
| Maximum ovality........0.006 mm |
CONNECTING RODS
ENGINE OIL
| Oil volume, including filter........7.2 litres |
FILLING WITH OIL AFTER RECONDITIONING
| According to API Service........ lowest SG |
|---|
| According to CCMC........ class G4/G5. |
| According to ACEA........ class A2/A3. |
OIL GRADE
| 12.5 r/s (750 r/min)........0.10 Mpa 1 |
|---|
| 67.7 r/s (4000 r/min)........0.35 Mpa 1 |
| Maximum oil pressure (the relief valve opens)........0.65 Mpa |
| 1 The oil pressure listed is for an oil temperature of 100°C, which is reached after 10-15 minutes driving. |
OIL PRESSURE (MINIMUM)
| Marking........90 |
|---|
| Starts to open at........90°C |
| Fully open at........105°C |
THERMOSTAT
FUEL LINE PRESSURE
| Desired value | |
|---|---|
| Relative pressure | 380 kPa |
| Absolute pressure | 480 kPa |
For tightening torques not in the text, see TIGHTENING TORQUE.
Scheme 735
Turn the crankshaft counter-clockwise (viewed from the rear of the engine) until the piston in cylinder 1 reaches top dead center (TDC).
Continue turning counter-clockwise until the piston in cylinder 1 is approximately 2-3 cm before top dead center (BTDC).
Install the crankshaft stop see 9995451. Ensure that it bottoms out against the cylinder block.
Now turn the crankshaft clockwise (viewed from the rear of the engine) until the crankshaft counter-weight is in contact with the crankshaft stop.
Scheme 736
Install a new cylinder head gasket .
Install the cylinder head.
Use new screws .
Lubricate and install all the screws.
Tighten the screws in the following order. Tighten the screws alternately from the center and outwards.
- 20 Nm
- 60 Nm
- Angle-tighten 130°. Use protractor see «9512050»(ref-460875-S32936410842012033000000).
Note. If the valves have been replaced, the valve clearance must be adjusted. See VALVE CLEARANCE
For tightening torques not in the text, see TIGHTENING TORQUE.
See also:
• JACKING POINTS, BODY
• INSTALLING THE COMPRESSION TOOL