
GENERAL DATA
04-5
Valves
Stem diameter:
⇒ Inlet 5.97 ± 0.01 mm (0.235 ± 0.0004 in.)
⇒ Exhaust 5.97 ± 0.01 mm (0.235 ± 0.0004 in.)
Valve stem to guide clearance 0.025 - 0.054 mm (0.0010 - 0.0021 in.)
Valve head stand down:
⇒ Inlet 0.73 ± 0.1 mm (0.029 ± 0.004 in.)
⇒ Exhaust 0.56 ± 0.1 mm (0.022 ± 0.004 in.)
Head diameter 25.9 ± 0.1 mm (1.02 ± 0.004 in.)
Valve seat angle: 45°
Valve seat width:
⇒ Inlet 1.20 ± 0.15 mm (0.047 ± 0.006 in)
⇒ Exhaust 1.45 ± 0.15 mm (0.057 ± 0.006 in)
Valve springs
Type Parallel, single coil
Free length 47.5 mm (1.87 in.)
Fitted length 32 mm (1.26 in.)

GENERAL DATA
04-6
Engine - K1.8 Petrol
General
Type 1.8 litre petrol, 16-valve DOHC
Cylinder arrangement 4 in-line, transverse, No.1 cylinder at front of engine
Bore 80.00 mm (3.150 in.)
Stroke 89.30 mm (3.516 in.)
Capacity 1796 cm
3 (109.59 in3)
Firing order 1-3-4-2
Compression ratio 10.5 :1 ± 0.5 :1
Direction of rotation Clockwise viewed from the front of the engine
Maximum power 88 kW (118 bhp) @ 5500 rev/min.
Maximum torque 165 Nm (223.7 lbf.ft) @ 2750 rev/min.
Idle speed 775 ± 50 rev/min.
Maximum intermittent engine speed 6750 rev/min.
Weight (fully dressed, wet) 108 kg (238 lb)
Dimensions:
⇒ Length (nominal) 654 mm (25.75 in.)
⇒ Width (nominal) 600 mm (23.62 in.)
⇒ Height (nominal) 615 mm (24.21 in.)
Spark plugs:
⇒ Type NLP 100290
⇒ Gap 1.0 mm ± 0.05 mm (0.039 in. ± 0.002 in.)
Ignition coils:
⇒ Make Nippon Denso - NEC 100730
⇒ Type 2 x twin output coils, plug top mounted; cylinders 1 & 4 and 2 & 3
⇒ Primary resistance (typical) 0.7 Ω
⇒ Secondary resistance (typical) 10 Ω
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 3.5 bar (50.8 lbf.in
2)
⇒ Fuel flow rate 117 g/min. @ 3.0 bar (4.13 fl.oz/min. @ 43.5 lbf. in
2)
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 80.000 - 80.015 mm (3.1496 - 3.1501 in.)
⇒ BLUE grade B 80.016 - 80.030 mm (3.1502 - 3.1508 in.)

GENERAL DATA
04-7
Cylinder head
Material Aluminium alloy
Cylinder head warp - maximum 0.05 mm (0.002 in)
Cylinder head height:
⇒ New 118.95 - 119.05 mm (4.683 - 4.687 in.)
⇒ Reface limit 0.20 mm (0.008 in.)
Crankshaft
Crankshaft end-float 0.10 - 0.25 mm (0.004 - 0.010 in.)
⇒ Service limit 0.34 mm (0.013 in.)
Main journal diameter: 47.986 - 48.007 mm (1.8892 - 1.8900 in.)
⇒ Maximum out of round 0.010 mm (0.0004 in.)
Main journal tolerance:
⇒ Grade 1 48.000 - 48.007 mm (1.8898 - 1.8900 in.)
⇒ Grade 2 47.993 - 48.000 mm (1.8895 - 1.8898 in.)
⇒ Grade 3 47.986 - 47.993 mm (1.8892 - 1.8895 in.)
Big-end journal diameter 47.986 - 48.007 mm (1.8892 - 1.8900 in.)
⇒ Maximum out of round 0.010 mm (0.0004 in.)
Big-end journal tolerance:
⇒ Grade A 48.000 - 48.007 mm (1.8898 - 1.8900 in.)
⇒ Grade B 47.993 - 48.000 mm (1.8895 - 1.8898 in.)
⇒ Grade C 47.986 - 47.993 mm (1.8892 - 1.8898 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 off-set towards thrust side
⇒ Fit in connecting rod Interference
⇒ Diameter (RED) 17.997 - 18.000 mm (0.7085 - 0.7087 in.)
⇒ Diameter (GREEN) 17.994 - 17.997 mm (0.7084 - 0.7087 in.)
⇒ Length 52.3 - 52.6 mm (2.06 - 2.07 in.) General

GENERAL DATA
04-8
Pistons
Type Aluminium alloy, tin plated, thermal expansion with offset gudgeon pin
Piston diameter:
⇒ Grade A 79.975 - 79.990 mm (3.1486 - 3.1492 in.)
⇒ Grade B 79.991 - 80.005 mm (3.1492 - 3.1498 in.)
Clearance in bore 0.01 - 0.04 mm (0.0004 - 0.0016 in.)
Maximum ovality 0.30 mm (0.012 in.)
Piston rings:
Type: 2 compression, 1 oil control
⇒ Top compression ring Barrel faced, granulite coated
⇒ 2nd compression ring Tapered, phosphate coated
⇒ Oil control ring Nitrided ring with radii and spring
New ring to groove clearance:
⇒ Top compression ring 0.040 - 0.072 mm (0.0016 - 0.0028 in.)
⇒ 2nd compression ring 0.030 - 0.062 mm (0.0012 - 0.0024 in.)
⇒ Oil control ring 0.010 - 0.180 mm (0.0004 - 0.0071 in.)
Ring fitted gap 20 mm (0.75 in) from top of bore:
⇒ Top compression ring 0.20 - 0.35 mm (0.008 - 0.014 in.)
⇒ 2nd compression ring 0.28 - 0.48 mm (0.011 - 0.019 in.)
⇒ Oil control ring 0.15 - 0.40 mm (0.006 - 0.016 in.)
Piston ring width:
⇒ Top compression ring 0.978 - 0.990 mm (0.0385 - 0.0390 in.)
⇒ 2nd compression ring 1.178 - 1.190 mm (0.0464 - 0.0469 in.)
⇒ Oil control ring 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 0.06 - 0.19 mm (0.002 - 0.007 in.)
⇒ Service limit 0.30 mm (0.012 in.)
Bearing clearance 0.060 - 0.094 mm (0.0024 - 0.0037 in.)
⇒ Service limit 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 lift12° BTDC
52° ABDC
8.8 mm (0.35 in.)
Exhaust valves:
⇒ Opens
⇒ Closes
⇒ Maximum lift52° BBDC
12° ATDC
8.8 mm (0.35 in.) General

GENERAL DATA
04-9
Valves
Stem diameter:
⇒ Inlet valves 5.952 - 5.967 mm (0.2343 - 0.2349 in.)
⇒ Exhaust valves 5.947 - 5.962 mm (0.2341 - 0.2347 in.)
Stem to guide clearance:
⇒ Inlet valves 0.033 - 0.063 mm (0.0013 - 0.0025 in.)
⇒⇒ Service limit 0.07 mm (0.0028 in.)
⇒ Exhaust valves 0.038 - 0.078 mm (0.0015 - 0.0031 in.)
⇒⇒ Service limit 0.11 mm (0.0043 in.)
Valve stem fitted height:
⇒ New 38.93 - 39.84 mm (1.5327 - 1.5685 in.)
⇒ Service limit 40.10 mm (1.5787 in.)
Head diameter:
⇒ Inlet valves 27.6 - 27.8 mm (1.087 - 1.094 in.)
⇒ Exhaust valves 24.0 - 24.2 mm (0.945 - 0.953 in.)
Valve seat width:
⇒ Inlet 1.0 - 1.4 mm (0.039 - 0.055 in)
⇒ Exhaust 1.4 - 1.8 mm (0.055 - 0.071 in)
Seat face angle - Inlet and Exhaust 45°
Valve face angle - Inlet and Exhaust 45°
Valve springs
Free length 50.0 mm (1.97 in.)
Fitted length 37.0 mm (1.46 in.)
Load at fitted length 250 ± 12 N
Load at valve open length 450 ± 18 N
Lubrication
Type Cast aluminium wet sump
Pump type Crankshaft driven, eccentric rotor
⇒ Outer rotor to housing clearance 0.28 - 0.36 mm (0.011 - 0.014 in.)
⇒ Inner rotor tip clearance 0.05 - 0.13 mm (0.002 - 0.005 in.)
⇒ Rotor end-float 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 pressure100 kPa (14.5 lbf/in
2)
375 kPa (3.75 bar, 54.4 lbf/in2)
410 kPa (59.5 lbf/in2)
20 - 58 kPa (3.0 - 8.5 lbf/in2) General

GENERAL DATA
04-10
Sensors:
Crankshaft sensor Siemens NSC 100630, Hall effect acting on profiled target on flywheel
Camshaft sensor:
⇒ Make / Type ITT NSC 100610 +0, Hall effect acting on camshaft reluctor ring
⇒ Ring TGN 100050
Oxygen sensor:
⇒ Make / Type NTK - MHK 100720
⇒ Heating element (nominal) 7 Watts
⇒ Sensor voltage - High≈ 900 mV
⇒ Sensor voltage - Low≈ 40 mV
Throttle potentiometer:
⇒ Make / Type CTS - MJC 100020
⇒ Total track resistance 4 kΩ ± 20%
⇒ Sensor supply voltage 5V ± 4%
TMAP sensor:
⇒ Make / Type Motorola - MHK 100820
⇒ Sensor supply voltage 5V ± 4%
Coolant temperature sensor:
⇒ Make / Type AB Electronik - MEK 100170; NTC thermistor bead
Oil temperature sensor
⇒ Make / Type AB Elektronik - MEK100170; NTC thermistor bead General

GENERAL DATA
04-11
Engine - KV6 Petrol
General
Type:
⇒ Up to 03 Model Year
⇒ From 03 Model Year2.5 litre V6, 24 valve, air assisted direct fuel injection petrol, water
cooled, transverse mounted
2.5 litre V6, 24 valve, direct fuel injection petrol, water cooled,
transverse mounted
Cylinder arrangement: 90° V6, numbered from the front of the engine
⇒ Left bank Cylinders 1, 3 and 5
⇒ Right bank Cylinders 2, 4 and 6
Bore (nominal) 80 mm (3.15 in.)
Stroke 82.8 mm (3.26 in.)
Capacity 2497 cm
3 (152.37 in3)
Firing order 1-6-5-4-3-2
Compression ratio 10.5 : 1 ± 0.5 : 1
Direction of rotation Clockwise viewed from front of engine
Maximum power 130 kW (177 bhp) @ 6500 rev/min.
Maximum torque 240.0 Nm (177 lbf.ft) @ 4000 rev/min.
Maximum engine speed:
⇒ Continuous 6500 rev/min.
⇒ Intermittent 6750 rev/min.
Idle speed 750 rev/min. ± 50 rev/min.
Weight (fully dressed, wet) 154 kg (340 lb)
Dimensions (dressed):
⇒ Length (nominal) 770 mm (30.3 in.)
⇒ Width (nominal) 750 mm (29.5 in.)
⇒ Height (nominal) 750 mm (29.5 in.)
Valve operation Self-adjusting lightweight hydraulic tappets operated directly by the
camshafts
Fuel injection system:
⇒ Make - Up to 03 Model Year
⇒ Make - From 03 Model YearSiemens engine management system
Siemens engine management system
⇒ Type - Up to 03 Model Year
⇒ Type - From 03 Model YearMulti-point, air assisted fuel injection controlled by ECM, electro-
mechanical injectors with twin sprays targeted on to back of inlet
valves
Multi-point fuel injection controlled by ECM, electro-mechanical
injectors with quadruple sprays targeted on to back of inlet valves
Inlet manifold Variable geometry
Spark plugs
⇒ Type
⇒ Plug gapNLP 100290
1.0 mm ± 0.05 mm (0.039 in. ± 0.002 in.)
Coils:
⇒ Make - Up to 03 Model Year
⇒ Make - From 03 Model Year
⇒ Type - Up to 03 Model Year
⇒ Type - From 03 Model YearBREMR
Champion BAE 403H
6 x coils (3 x plug top, 3 x remote mounted)
6 x coils (6 x plug top)
Emissions standard ECD3

GENERAL DATA
04-13
⇒⇒ Grade C (Blue)*
⇒ Grade 9 57.665 - 57.659 mm (2.2703 - 2.2700 in.)
⇒⇒ Grade A (Black)
*
⇒⇒ Grade B (Yellow)*
⇒⇒ Grade C (Green)*
†
Cylinder block / bearing ladder bore diameter grades* Crankshaft big-end journal grades
Main bearings
Quantity 4
Material / type Glacier AS15 - oil grooves in upper half shells, plain lower half shells
Clearance in bearings 0.021 - 0.039 mm (0.0008 - 0.0015 in.)
Thrust washers:
⇒ Type / position Glacier AS15 - thrust washer halves at top and bottom of rear main
bearing, oil grooves in top and bottom halves
⇒ Thrust washer halves thickness 2.61 - 2.65 mm (0.103 - 0.104 in.)
Main bearing thickness:
⇒ Red 1.930 - 1.927 mm (0.0760 - 0.0759 in.)
⇒ Blue 1.927 - 1.924 mm (0.0759 - 0.0757 in.)
⇒ Green 1.924 - 1.921 mm (0.0757 - 0.0756 in.)
⇒ Yellow 1.921 - 1.918 mm (0.0756 - 0.0755 in.)
⇒ Black 1.918 - 1.915 mm (0.0755 - 0.0754 in.)
Big-end bearings
Material / Type Glacier AS15 - plain upper and lower half shells with locating tags
Clearance in bearings 0.022 - 0.040 mm (0.0009 - 0.0016 in.)
Big-end bearing thicknesses:
⇒ Red 1.803 - 1.800 mm (0.0710 - 0.0709 in.)
⇒ Blue 1.800 - 1.797 mm (0.0709 - 0.0707 in.)
⇒ Green 1.797 - 1.794 mm (0.0707 - 0.0706 in.)
⇒ Yellow 1.794 - 1.791 mm (0.0706 - 0.0705 in.)
⇒ Black 1.791 - 1.788 mm (0.0705 - 0.0704 in.)
Big-end end-float 0.19 - 0.29 mm (0.007 - 0.011 in.)
Connecting rods
Type Forged steel H-sections with horizontally split big-ends
Distance between centres 151.31 - 151.41 mm (5.957 - 5.961 in.)
Gudgeon pins
Type Semi-floating offset towards thrust side
Fit in connecting rods Interference
⇒ Diameter - Red coded 17.997 - 18.000 mm (0.7085 - 0.7087 in.)
⇒ Diameter - Green coded 17.994 - 17.997 mm (0.7084 - 0.7085 in.)
⇒ Length 52.3 - 52.6 mm (2.059 - 2.071 in.)
⇒ Clearance in piston 0.011 mm (0.0004 in.)
Pistons
Type Aluminium alloy, tin plated, thermal expansion with offset gudgeon pin
Piston diameter (at right angle to gudgeon pin and 10
mm (0.4 in. from bottom of skirt):
⇒ Grade A 79.965 - 79.980 mm (3.1482 - 3.1488 in.)
⇒ Grade B 79.981 - 79.995 mm (3.1489 - 3.1494 in.) General