Freelander - 1.8 K Series Petrol Engine

Freelander 1.8 K Series Engine

1.8 K Petrol

General

Type	1.8 litre petrol, 16-valve DOHC
Cylinder Arrangement	4 in line, transverse, No. 1 cylinder at front of engine
Bore	80.00mm (3.150 in.)
Stroke	89.30mm (3.516 in)
Capacity	1796 cc (109.59 in)
Firing Order	1-3-4-2
Compression Ratio	10.5:1 +- 0.5:1
Direction of Rotation	Clockwise viewed from front of engine
Maximum Power	88kW (118 bhp) @ 5500 rev/min
Maximum Torque	165Nm (223.7 lbf.ft) @ 2750 rev/min
Idle Speed	775 +- 50 rev/min
Maximum intermittent engine speed	6750 rev/min
Weight (fully dressed, wet)	108kg (238 lb)
Dimensions (Length x Width x Height)	654 mm (25.75 in) x 600 mm (23.62 in) x 615 mm (24.21 in)
Spark Plugs Make/Type Gap	GSP 66527 1.0 +- 0.05 mm (0.039 +- 0.002 in)
Ignition Coils Make Type Primary resistance (typical) Secondary resistance (typical)	Nippon Denso - NEC 100730 2 x twin output coils, plug top mounted; cylinders 1 & 4 and 2 & 3 0.7 d 10 d
Fuel Injection System: Type	Returnless fuel rail, multi-point fuel injection, electronically controlled from ECM
Controller	MEMS 3 breakerless, electronic, fully mapped engine management system
Injectors: Operating pressure Fuel flow rate	3.5 bar (50.8 lbf.in) 117g/min @ 3.0 bar (4.13 fl.oz/min @ 43.5 lbf.in)
Valve Operation	Self-adjusting, lightweight hydraulic tappets operated directly by camshafts
Emissions Standard	ECD3

Cylinder Block

Material	Aluminium Alloy
Cylinder liner type	Damp, bottom half stepped - sliding fit into lower part of cylinder block
Cylinder Liner Bore RED grade A BLUE grade B	80.000 - 80.015 mm (3.1496 - 3.1502 in) 80.016 - 80.030 mm (3.1502 - 3.1508 in)

Cylinder Head

Material	Aluminium alloy
Cylinder head warp (maximum)	0.05 mm (0.002 in)
Cylinder head height: New reface limit	118.95 - 119.05 mm (4.683 - 4.687 in) 0.20 mm (0.0008 in)

Crankshaft

crankshaft end-float Service limit	0.10 - 0.25 mm (0.004 - 0.010 in) 0.34 mm (0.013 in)
Main Journal diameter: Maximum out of round	47.986 - 48.007 mm (1.8892 - 1.8900 in) 0.010 mm (0.0004 in)
Main Journal tolerance Grade 1 Grade 2 Grade 3	48.000 - 48.007 mm (1.8892 - 1.8900 in) 47.993 - 48.000 mm (1.8895 - 1.8898 in) 47.986 - 47.993 mm (1.8892 - 1.8895 in)
Big-end journal diameter Maximum out of round	47.986 - 48.007 mm (1.8892 - 1.8900 in) 0.010 mm (0.0004 in)
Big-end journal tolerance Grade A Grade B Grade C	48.000 - 48.007 mm (1.8898 - 1.8900 in) 47.993 - 48.000 mm (1.8895 - 1.8898 in) 47.986 - 47.993 mm (1.8892 - 1.8895 in)

Main Bearings

Quantity	5
Type	Steel backed, aluminium/tin lined, oil grooves in upper halves, plain in bearing caps
Clearance in bearings	0.02 - 0.05 mm ( 0.0008 - 0.0020 in)
Thrust washers	Halves at No. 3 main bearing
Thrust washer halves thickness	2.61 - 2.65 mm (0.1028 - 1.043 in)

Big End Bearings

Clearance in bearings	0.021 - 0.049 mm (0.0008 - 0.0019 in)
Big-end end-float	0.10 - 0.25 mm (0.004 - 0.010 in)

Connecting Rods

Type	Horizontally split big-end, plain small end
Distance between centres	133.05 - 133.15 mm (5.238 - 5.242 in)

Gudgeon Pins

Type	Semi-floating, offset towards thrust side
Fit in Connecting Rod	Interference
Diameter RED GREEN	17.997 - 18.000 mm (0.7085 - 0.7087 in) 17.994 - 17.997 mm (0.7084 - 0.7087 in)
Length	52.3 - 52.6 mm (2.06 - 2.07 in)

Pistons

Type	Aluminium alloy, tin plated, thermal expansion with offset gudgeon pin
Piston Diameter: Grade A Grade B	79.975 - 79.990 mm (3.1486- 3.1492 in) 79.991 - 80.005 mm (3.1492 - 3.1498 in)
Clearance in cylinder bore	0.01 - 0.04 mm (0.0004 - 0.0016 in)
Maximum ovality	0.30 mm (0.012 in)

Piston Rings

Type: Top Compression Ring 2nd Compression Ring Oil Control Ring	2 Compression, 1 Oil Control Barrel Edge, granulite coated Tapered, phosphate coated Nitrided ring with radii and spring
New Ring to Groove Clearance: Top Compression Ring 2nd Compression Ring Oil Control Ring	0.040 - 0.072 mm (0.0016 - 0.0028 in) 0.030 - 0.062 mm (0.0012 - 0.0024 in) 0.010 - 0.180 mm (0.0004 - 0.0071 in)
Ring fitted gap (20mm from top of bore): Top Compression Ring 2nd Compression Ring Oil Control Ring	0.20 - 0.35 mm (0.008 - 0.014 in) 0.28 - 0.48 mm (0.011 - 0.019 in) 0.15 - 0.40 mm (0.006 - 0.016 in)
Piston Ring width: Top Compression Ring 2nd Compression Ring Oil Control Ring	0.978 - 0.990 mm (0.0385 - 0.0390 in) 1.178 - 1.190 mm (0.0464 - 0.0469 in) 0.33 - 0.38 mm (0.0130 - 0.0150 in)

Camshaft

Type	DOHC acting directly on tappets, incorporates target/reluctor for camshaft sensor
Bearings	6 per camshaft, direct line bored
Drive	Toothed belt driven from crankshaft gear, automatically tensioned
Camshaft end-float Service limit	0.06 - 0.19 mm (0.002 - 0.007 in) 0.30 mm (0.012 in)
Bearing Clearance Service limit	0.060 - 0.094 mm (0.0024 - 0.0037 in) 0.15 mm (0.006 in)

Tappets

Type	Self-adjusting lightweight hydraulic tappets, operated directly from camshafts
Tappet outside diameter	32.959 - 32.975 mm (1.2976 - 1.2982 in)

Valve timing

Inlet valves: Opens Closes Maximum lift	12 BTDC 52 ABDC 8.8 mm (0.35 in)
Exhaust valves: Opens Closes Maximum lift	52 BBDC 12 ATDC 8.8 mm (0.35 in)

Valves

Stem Diameter: Inlet Exhaust	5.952 - 5.967 mm (0.2343 - 0.2349 in) 5.947 - 5.962 mm (0.2341 - 0.2347 in)
Stem to guide clearance Inlet valves ~ service limit Exhaust valves ~ service limit	0.033 - 0.063 mm (0.0013 - 0.0025 in) ~ 0.07 mm (0.0028 in) 0.038 - 0.078 mm (0.0015 - 0.0031 in) ~ 0.11 mm (0.0043 in)
Valve stem fitted height:: New Service limit	38.93 - 39.84 mm (1.5327 - 1.5685 in) 40.10 mm (1.5787 in)
Head diameter: Inlet Exhaust	27.6 - 27.8 mm (1.087 - 1.094 in) 24.0 - 24.2 mm (0.945 - 0.953 in)
Valve seat width: Inlet Exhaust	1.0 - 1.4 mm (0.039 - 0.055 in) 1.4 - 1.8 mm (0.055 - 0.071 in)
Seat face angle - Inlet and Exhaust	45 degrees
Valve face angle - Inlet and Exhaust	45 degrees

Valve Springs

Lubrication

Type	Cast aluminium wet sump
Pump type: Outer rotor to housing clearance Inner rotor tip clearance rotor end-float	Crankshaft driven, eccentric rotor 0.28 - 0.36 mm (0.011 - 0.014 in) 0.05 - 0.13 mm (0.002 - 0.005 in) 0.02 - 0.06 mm (0.001 - 0.002 in)
Relief valve spring free length	38.90 mm (1.531 in)
Oil filter	Full flow disposable screw-on canister
Pressure at idle (min) Pressure at 2500 rev/min (hot) Relief valve opening pressure Low oil pressure switch opening pressure	100 kPa (14.5 lbf/in) 375 kPa (3.75 bar, 54.4 lbf/in) 410 kPa (59.5 lbf/in) 20-58 kPa (3.0 - 8.5 lbf/in)

Sensors

Crankshaft sensor	Siemens NSC 100630, Hall effect acting on profiled target on flywheel
Camshaft sensor Make/Type Ring	ITT NSC 100610 +0, Hall effect acting on camshaft reluctor ring TGN 100050
Oxygen sensor Make/Type Heating element (nominal) Sensor voltage - high Sensor voltage - low	NTK - MHK 100720 7 watts ~ 900 mV ~ 40 mV
Throttle potentiometer Make/Type Total track resistance Sensor supply voltage	CTS - MJC 100020 4 kd +- 20% 5 V +- 4%
TMAP sensor Make/Type Sensor supply voltage	Motorola - MHK 100820 5 V +- 4%
Coolant temperature sensor Make/Type	AB Electronik - MEK 100170; NTC thermistor bead
Oil temperature sensor Make/Type	AB Electronik - MEK 100170; NTC thermistor bead