Diesel engine Td4 (Freelander 1)

General information

Type	Direct injection diesel engine with in-line cylinder arrangement, 2.0 liter displacement, turbocharged and intercooled, 16 valves
Cylinder arrangement	4 cylinders in a row; cylinder numbering from the front of the engine
Cylinder diameter	84.00 mm (3.307 in)
Piston stroke	84.00 mm (3.465 in)
Working volume	1951 cm³ (119.05 in³)
Operating procedure	1-3-4-2
Compression ratio	18:1±0,5:1
Direction of rotation	Clockwise when viewed from the front of the engine
Nominal power:
- Up to 2003 model year - manual and automatic transmissions	82 kW (112 hp) at 4000 rpm
- Since 2003 model year - manual transmission	82 kW (112 hp) at 4000 rpm
- Starting with the 2003 model year - automatic transmission	80 kW (107 hp) at 4000 rpm
Maximum torque:	260 Nm (192 lb-ft) at 1750 rpm
Maximum speed limited by the regulator	4800 rpm
Maximum permissible rotation speed	5250 rpm
Idle speed	780 ±30 rpm
Overall dimensions:
- Length	482 mm (19 inches)
- Width	634 mm (25 inches)
- Height	697 mm (27.4 in)
Glow plugs	There are 4 in total, one for each cylinder, located in the center on the intake manifold side, between the two intake valves
Turbocharger	Garrett GT2
Fuel injection system	With a common ramp ("Common rail"), with Bosch high pressure pump
Injection duration	Determined by the Engine Control Module (ECM)
Standards for the content of harmful substances in exhaust gases	ECD3

Type	Pressurized, wet sump aluminum alloy
Oil filter	Full flow, with replaceable filter element
Oil cooler	Built into the oil filter, connected to the engine cooling system
Oil pump
- Type	Crankshaft driven, with eccentric rotors
- Oil pump performance	30 l/min
- Clearance between outer rotor and housing	0.080 - 0.158 mm
- Maximum pressure	up to 20 bar (290 psi)
Lubrication system pressure at idle:
- Cold engine -1000 rpm	1.5 bar (21.8 psi)
- Minimum operating temperature	0.5 bar (7.3 psi)
- Pressure maintained by the bypass	4.2±0.5 bar (60.9±7.3 psi)
- Pressure at 3500 rpm (hot engine)	3.0-4.5 bar (43.5 - 65.3 psi)
Pressure at which the safety valve starts to open	4.2 bar (60.9 psi)
Oil pressure alarm response pressure	0.2 - 0.5 bar (2.9 -7.3 psi)

Type	The block is made of grey cast iron with reinforcing hollow rods
Maximum cylinder head distortion	0.03 mm (0.001 in)
Cylinder head drilling diameter:*
- Nominal	84.000 - 84.018 mm (3.3071 - 3.3078 in)
- Wear limit	84.040 mm (3.3087 in)
- Intermediate value	84.080 - 84.098 mm (3.3102 - 3.3109 in)
- Wear limit	84.120 mm (3.3118)
- 1st repair size (grinding)	84.250 - 84.268 mm (3.3169 - 3.3176 in)
- Wear limit	84.290 mm (3.3185 in)
Permissible cylinder ovality (deviation from circular shape)	0.01 mm (0.0004 in)
- Wear limit	0.04 mm (0.0016 in)
Permissible cylinder taper*	0.01 mm (0.0004 inches)
- Wear limit	0.04 mm (0.0016 in)

* Measurements at the top, middle and bottom of the cylinder

Main journal diameter	60 mm (2.36 in)
Crankpin diameter	44.975 - 45.009 mm (1.7707 - 1.7720 in)
Axial clearance	0.08 - 0.163 mm (0.0031 - 0.0064 in)
Maximum deviation from circular shape	0.15 mm (0.006 in)
Crankshaft seals	PTFE

Quantity	5 (4 radial, 1 thrust)
Type	The bearing shell on the block side has an oil groove, the shell on the bearing cap side does not have a groove
Dimensions of main bearing shells:
Nominal diameter:
- With a yellow mark	59.977 - 50.983 mm (2.3613 - 2.3615 in)
- With a green mark	59.970 - 59.976 mm (2.3610 - 2.3613 in)
- With a white mark	59.964 - 59.970 mm (2.3608 - 3.3610 in)
1st repair size (0.25):
- With a yellow mark	59.727 - 59.733 mm (2.3515 - 3.3517 in)
- With a green mark	59.720 - 59.726 mm (2.3512 - 2.3514 in)
- With a white mark	59.714 - 59.720 mm (2.3509 - 2.3512 in)
2nd repair size (0.50):
- With a yellow mark	59.477 - 59.483 mm (2.3416 - 2.3418 in)
- With a green mark	59.470 - 59.476 mm (2.3413 - 3.3416 in)
- With a white mark	59.464 - 59.469 mm (2.3411 - 2.3413 in)
Radial clearance in crankshaft bearings	0.027 - 0.063 mm (0.0011 - 0.0025 in)

There is a radial bearing on the central main journal; the crankshaft is held by an outer radial thrust bearing.

Type	Forged, H-section, with horizontal split lower head and continuous upper head
Distance between the axes of the upper and lower heads	135 mm (5.32 in)
Deviation from parallelism of the axes (twisting of the connecting rod body)	0.05 mm (0.002 in)
Deviation from parallelism of axes (bending of connecting rod body)	0.5 mm (0.02 in)

Quantity	4
Material	Sprayed bearings in connecting rod heads

Type	"Floating" type, prevented from axial movement by retaining rings
Diameter of the bushing hole in the upper head of the connecting rod:	30.008 - 30.015 mm (1.1814 - 1.1817 in)
Fit in the upper connecting rod head	Pressed in with tension
Distance	65 mm (2.56 in)

Type	The piston has a graphite coated skirt and an internal channel for cooling oil, the combustion chamber is located in the piston bottom
Piston radial clearance	0.036 - 0.072 mm (0.0014 - 0.0028 in)
Maximum clearance in cylinder diameter	0.15 mm (0.006 in)
Piston diameter
- Nominal	83.950±0.009 mm (3.3051±0.0004 in)
- Intermediate value	84.030±0.009 mm (3.3083±0.0004 in)
- 1st repair size	84.200±0.009 mm (3.3150±0.0004 in)

(The clearance is measured at a distance of 12.0 mm (0.47 in) from the bottom of the skirt, in a plane perpendicular to the axis of the piston pin)

Type:	2 compression rings, 1 oil scraper ring
- Upper compression ring	With barrel profile and chrome finish
- Lower compression ring	With a conical profile
- Oil scraper ring	Ring with beveled working edge and spring expander
Clearance in the mating of the new piston ring and the groove on the piston:
- Upper compression ring	- the gap should not be measured
- Lower compression ring	0.05 - 0.09 mm (0.0020 - 0.0035 in)
- Oil scraper ring	0.03 - 0.07 mm (0.0012 - 0.0028 in)
The gap of the new ring, measured at a distance of 30 mm from the upper plane of the block:
- Upper compression ring	0.20 - 0.35 mm (0.008 - 0.0014 in)
- Lower compression ring	0.30 - 0.45 mm (0.012 - 0.0016 in)
- Oil scraper ring	0.20 - 0.40 mm (0.008 - 0.0016 in)

Type	It is cast from aluminum alloy using the chill casting method
Location of gas channels	The same channels are located on one side of the cylinder head
Inlet windows	one is spiral, the other is tangential
Laying the gas joint:
- Type	Multilayer, steel
- Selection:
- 1st hole	Piston end protrusion no more than 0.91 mm (0.036 in)
- 2nd hole	Piston end protrusion 0.92 - 1.03 mm (0.036 - 0.041 in)
- 3rd hole	Piston end protrusion greater than 1.03 mm (0.041 in)

Type	Two overhead camshafts, cast in a gravity mold, hollow, with negative radius cams, vacuum pump drive from the exhaust camshaft
Bearings	Five supports for each shaft
Drive	Single Row Chain
Radial deviation	0.047 - 0.088 mm (0.0019 - 0.0035 in)
Axial clearance	0.15 - 0.33 mm (0.006 - 0.013 in)
Bearing clearance	0.011 - 0.034 mm (0.0004 - 0.0013 in)

Type	The valves are driven by single-arm levers with a contact roller and a hydraulic clearance compensator

Rod diameter:
- Inlet valve	5.97±0.01 mm (0.235±0.0004 in)
- Exhaust valve	5.97±0.01 mm (0.235±0.0004 in)
Clearance between valve stem and guide:	0.025 - 0.054 mm (0.0010 - 0.0021 in)
Valve plate depth:
- Inlet valve	0.73±0.01 mm (0.029±0.004 in)
- Exhaust valve	0.56±0.1 mm (0.022±0.004 in)
Plate diameter	25.9±0.1 mm (1.02±0.004 in)
Sealing cone (chamfer) angle of valve seats:	45°
Width of the sealing cone (chamfer) of the valve seats:
- Inlet valve	1.20±0.15 mm (0.047±0.006 in)
- Exhaust valve	1.45±0.15 mm (0.057±0.006 in)