General data (engine capacities)
| B5204T5 | B5234T3 | B5244T2 | B5244T3 | B5254T2 | B5254T4 | |
|---|---|---|---|---|---|---|
| Output (kw at rpm) | 132/5280 | 184/5220 | 195/5700 | 147/6000 | 154/5000 | 220/5500 (man) / 6000 (aut) |
| Maximum torque (Nm at rpm) | 240/2220-5280 | 330/2520-5220 | 350/2400-5100 | 285/1800-4980 | 320/1500-4500 | 400/2100-5100 (man) |
| 350/1900-6000 (aut) | ||||||
| Max rpm | 6200 | 6200 | 6200 | 6200 | 6500 | 6500 |
| Idling (rpm) | 670 | 670 | 850 | 670 | 670 | 720 |
| No. of cylinders | 5 | 5 | 5 | 5 | 5 | 5 |
| Cylinder bore (mm) | 81 | 81 | 83 | 83 | 83 | 83 |
| Stroke (mm) | 77 | 90 | 90 | 90 | 93.2 | 93.2 |
| Cylinder displacement (dm 3 = liters) | 1984 | 2319 | 2435 | 2435 | 2521 | 2521 |
| Firing sequence | 1-2-4-5-3 | 1-2-4-5-3 | 1-2-4-5-3 | 1-2-4-5-3 | 1-2-4-5-3 | 1-2-4-5-3 |
| Compression ratio | 9.5:1 | 8.5:1 | 8.5:1 | 9.0:1 | 9.0:1 | 8.5:1 |
| Weight, complete, including oil (kg) | Approximately 177 | Approximately 177 | Approximately 177 | Approximately 177 | Approximately 177 | Approximately 177 |
Scheme 253
| Standard | B5204Tx | B5234Tx | B5244Tx | B5254Tx |
|---|---|---|---|---|
| C-marked 1 | 81.000-81.010 | 81.000-81.010 | 83.000-83.010 | 83.000-83.010 |
| D-marked 1 | 81.010-81.020 | 81.010-81.020 | 83.010-83.020 | 83.010-83.020 |
| E-marked 1 | 81.020-81.030 | 81.020-81.030 | 83.020-83.030 | 83.020-83.030 |
Bore (D) in mm
1 The bore classification is stamped on top of the engine block. For example: 1CCDDE is read as cyl 1=C, cyl 2=C, cyl 3=D, cyl 4=D, cyl 5=E.
Scheme 254
| Standard | B5204T5 Measured 16 mm from the bottom of the piston | B5234T3 Measured 42 mm from the top of the piston | B5244T2 Measured 42 mm from the top of the piston | B5244T3 Measured 38 mm from the top of the piston | B5254Tx |
|---|---|---|---|---|---|
| C-marked 1 | 80.980-80.990 | 80.980-80.990 | 82.980-82.990 | 82.980-82.990 | |
| D-marked 1 | 80.990-81.000 | 80.990-81.000 | 82.990-83.000 | 82.990-83.000 | |
| E-marked 1 | 81.000-81.010 | 81.000-81.010 | 83.000-83.010 | 83.000-83.010 |
Bore (D) in mm
1 Classification is marked on the top of the piston.
Scheme 255
| Measured cylinder diameter........ | 83.015 mm |
|---|---|
| Measured piston diameter........ | 82.995 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
Scheme 256
| Upper compression ring........0.030-0.070 mm |
|---|
| Lower compression ring........0.030-0.070 mm |
| Oil control ring assembly........0.038-0.142 mm |
Axial clearance
| Upper........1,200 -0.010/-0.030 mm |
|---|
| Lower........1,500 -0.010/-0.030 mm |
Compression ring dimension
| Spring........1.510 0.020 mm |
|---|
| Rail........0.460 0.011 mm |
Dimension, three piece oil ring
Piston pin
| B52x4Tx (excluding B5244T3) | B5244T3 | |
|---|---|---|
| Diameter (mm) | 23.000 +0/-0.004 | 21.000 +0/-0.004 |
| Length (mm) | 61.000 +0/-0.200 | 60.000 +0/-0.200 |
Scheme 257
| Inlet........31.00 0.15 mm |
|---|
| Exhaust........27.00 0.15 mm |
Valve crown diameter (A)
| Inlet (early versions)........6.970 +0/-0.015mm |
|---|
| Inlet (late versions)........5.970 +0/-0.015mm |
Valve stem diameter (B)
| Exhaust (early versions) | |
|---|---|
| H1 = 22.7 mm | B1 = 6,962 0.007 mm |
| H2 = 65.1 | B2 = 6,954 0.007 mm |
| Exhaust (late versions) | |
| H1 = 22.7 mm | B1 = 5.962 0.007 mm |
| H2 = 65.1 | B2 = 5954 0.007 mm |
Valve stem diameter (B1/B2)
| Inlet........102.00 0.07 mm |
|---|
| Exhaust........101.05 0.07 mm |
Total valve length (C)
| Inlet and exhaust........1.50 mm |
|---|
| Minimum height after grinding........1.20 mm |
Disc edge height (D)
| Inlet and exhaust........44.5° |
Valve angle
Scheme 258
| Valve stem height........48.4 0.5 mm |
|---|
| Maximum machining of the valve stem........0.5 mm |
Valve stem vertical position
Scheme 259
| Upper reduction angle (A) |
|---|
| Inlet........20° |
| Exhaust........15° |
| Matching surface angle (B) |
| Inlet/Exhaust........45° |
| Lower reduction angle (C) |
| Inlet/Exhaust........60° |
| Valve seat, width (a) |
| Inlet........1.4-1.8 mm |
| Exhaust........1.8-2.2 mm |
Scheme 260
| Tappets, dimensions |
|---|
| External diameter (A)........32.000 +0.025/-0.041 mm |
| External height (B)........26.0 0.5 mm |
| Solid valve lifter shaft length (C) |
| 15.96 mm at 0.02 mm intervals up to 16.16 mm. The dimensions are listed on the inside of each valve lifter. |
Tappets, dimensions
General tightening torque
Note. Screws coated with a locking fluid or self locking nuts must be replaced with new when reinstalled.
See the chart below to find the tightening torques for components not included in the summary.
Nuts and screws which are not self locking can be reused provided that they are in good condition.
| Applies to screwed joint with strength class 8.8. | |
|---|---|
| Thread | Tightening torque (Nm) |
| M5 | 5 |
| M6 | 10 |
| M7 | 17 |
| M8 | 24 |
| M10 | 50 |
| M12 | 80 |
| M14 | 130 |
Summary of specific components and tightening torques
Note. Screws coated with locking fluid or sealant must always be replaced with new screws during reinstallation.
Always use new screws and nuts when angle tightening. Any exceptions to this rule will be indicated in the method.
Angle-tightening in tight spaces. See.
| Exhaust system (to the turbocharger (TC)) | 24 Nm |
|---|---|
| Cylinder head Tighten the screws in sequence from the center and outwards. | Stage 1........20 Nm Stage 2........60 Nm Stage 3........130° |
| Manifold (cylinder head side) | 25 Nm |
| Pipe screw (coolant pipe / turbocharger (TC)) | 26 Nm |
| Pipe screw (water heated crankcase ventilation.) | 26 Nm |
| Pipe screw (oil pressure line / turbocharger (TC)) | 26 Nm |
| Pipe screw (oil pressure line / engine block) | 38 Nm |
| Sub-frame nut (lower torque rod) | Stage 1........65 Nm Stage 2........60° |
| Subframe screws (start on the left-hand side, then the right-hand side) | Stage 1........105 Nm Stage 2........120° |
| Subframe bracket | 50 Nm |
| Intake manifold | 19 Nm |
| Catalytic converter (to the turbocharger (TC)) (to the exhaust system) | 25 Nm 24 Nm |
| Knock sensor (KS) | 20 Nm |
| Piston cooling valve (piston cooling oil duct, in cylinder block) | 36 Nm |
| Timing gear pulley (camshafts without variable valve timing) | 20 Nm |
| Timing gear pulley (camshafts with variable valve timing) | 10 Nm |
| Heated oxygen sensor (HO2S) | 45 Nm |
| Carrier plate | Stage 1........45 Nm Stage 2........50° |
| Intermediate section Tighten the screws in sequence from the center and outwards. | Stage 1 M10........20 Nm Stage 2 M10........45 Nm Stage 3 M8........24 Nm Stage 4 M7........17 Nm Stage 5 M10........90° |
| Torque converter | 50 Nm |
| Engine mounting Right side (M10x35 to cylinder block) | Stage 1........35 Nm Stage 2........60° |
| Engine mounting Right side (M8x23 to cylinder block) | Stage 1........20 Nm Stage 2........60° |
| Right-hand engine pad for the subframe (Only applies to XC90) | Stage 1........120 Nm Stage 2........40° |
| Lower torque rod, transmission screw | Stage 1........35 Nm Stage 2........40° |
| Lower torque rod, sub-frame nut | Stage 1........65 Nm Stage 2........60° |
| Oil filter (environmental filter) | 25 Nm |
| Oil trap | 15 Nm |
| Oil pan plug | 38 Nm |
| Oil pump (countersunk Allen, M6x20, holds the pump housing together) | 6 Nm |
| Oil return line (turbocharger (TC)) | 12 Nm |
| Oil pan (Applies to B5254T4) | The screws (1, 2, 3 and 4). Tighten to........3 Nm the screws (5). Tighten to........25 Nm. Then tighten to 48 Nm |
| Oil pressure switch | 27 Nm |
| Stud (at exhaust port, manifold, turbocharger (TC)) | 20 Nm |
| Plug (check hole for gauging valve clearance) | 20 Nm |
| Plug (gauge hole / crankshaft seal) | 38 Nm |
| Belt tensioner (mechanical) | 20 Nm |
| Flywheel | Stage 1........45 Nm Stage 2........65° |
| Vibration damper -2002 (flanged screws x4) | Stage 1........25 Nm Stage 2........30° |
| Vibration damper 2002- /flanged screws x4 | Stage 1........25 Nm Stage 2........60° |
| (center nut) | 180 Nm |
| Temperature sensor (coolant) | 22 Nm |
| Timing cover, (front/rear) | 12 Nm |
| Timing cover, (upper) | 8 Nm |
| Turbocharger (TC) (to manifold, without gasket) | 25 Nm |
| Turbocharger (TC) (to manifold, with gasket) | 37 Nm |
| Spark plugs | 30 Nm |
| Connecting rod cap (connecting rod with treated toothed surface between the connecting rod and cap, screw with waist) | Stage 1........20 Nm Stage 2........90° |
| Connecting rod cap (connecting rod with fracture surface between the connecting rod and cap, fully threaded screw) | Stage 1........30 Nm Stage 2........90° |
| Transmission screw (lower torque rod) | Stage 1........35 Nm Stage 2........40° |
| Variable valve timing center screw | 120 Nm |
| Variable valve timing center plug | 35 Nm |
See Specifications, mechanical
Tightening torque
See Tightening torque
See Specifications, mechanical
See Tightening torque
Note. The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the essential information in the illustrations is always correct.
Scheme 261
The engine serial number and type are stamped on the left side of the cylinder block at the top of the mounting for the water pump.
There is also a decal on the timing cover with the engine type, manufacture number and serial number.
See Tightening torque
See Specifications
See Tightening torque
Note. As the illustrations in this service information are used for different model years and / or models, some variation may occur. However, the essential information in the illustrations is always correct.
See Tightening torque
See Specifications
See Tightening torque
See Specifications, mechanical
See Tightening torque
See Specifications, mechanical
See Tightening torque
See Specifications, mechanical
See Tightening torque
See Tightening torque
See Specifications, mechanical
See Tightening torque
See Specifications, mechanical
See Tightening torque