Specifications
| Engine | F9Q 760 | F9Q 762 | |
|---|---|---|---|
| No. of cylinders/configuration | 4 in line | 4 in line | |
| No. of valves | 8 | 8 | |
| Capacity | cm 3 | 1870 | 1870 |
| Bore diameter | mm | 80.0 | 80.0 |
| Stroke | mm | 93.0 | 93.0 |
| Power output | kW/rpm | 74/3500 | 60/3500 |
| Torque | Nm/rpm | 240/2000 | 190/2000 |
| Compression | 18.3:1 | 18.3:1 | |
| Exhaust emission standards: | |||
| Bosch EDC 15 C3 | Euro 2000 | ||
| Bosch EDC 15 C13 | Euro 3 | ||
Belt Tensions
| Ribbed V-belt tension | Automatic tension roller |
|---|---|
| Timing belt pre-tension | 95 Hz ± 3 Hz |
| Timing belt tension | 90 Hz ± 3 Hz |
Engine Speed Dimensions
| Idle | rpm | 800 ± 50 |
|---|---|---|
| No load maximum | rpm | 4160 ± 150 |
| Full load maximum | rpm | 3700 ± 100 |
Smoke Opacity
| Homologation Value | 1.7 m -1 (50 %) |
|---|---|
| Legal Maximum | 3 m -1 (70 %) |
Cooling System
| Coolant capacity (dry fill) | l | 9.5 |
|---|---|---|
| Coolant quality | - | GM Long Life coolant |
| Thermostat start of opening | °C | 89 |
| Thermostat full opening | °C | 101 |
| Thermostat length of travel | mm | 7.5 |
| Valve rating, coolant reservoir | bar | 1.2 |
| Fans | - | Electrically driven |
Oil Circuit
| Engine oil capacity | |||
|---|---|---|---|
| with oil filter | L | 4.6 | |
| without oil filter | L | 4.45 | |
| between MIN and MAX | L | 1.5 - 2.0 | |
| Engine oil quality | ACEA B3 | ||
| Engine oil disposal | Observe national legislation | ||
| Oil pressure (engine at normal operating temperature – 80°C) | 1 000 rpm | 1.2 bar | |
| Oil pressure (engine at normal operating temperature – 80°C) | 3 000 rpm | 3.5 bar | |
Oil Pump Dimensions (Mm)
| Clearance between gears and casing | 0.1 - 0.24 | |
|---|---|---|
| Rotor axial play | 0.02 - 0.08 | |
| Backlash of gears | ||
| minimum | 0.1 | |
| maximum | 0.24 | |
Camshafts
| Lateral Play | mm | 0.045 – 0.135 | |||
Adjustment Values/checking Values
| Valve clearances (mm) - Cold | ||
|---|---|---|
| Inlet | 0.20 ± 0.05 | |
| Exhaust | 0.40 ± 0.05 | |
| Compression | Difference in pressure between individual cylinders in engine must not exceed 1 bar (14.5 psi) | |
| Pressure loss check | Pressure loss per cylinder with engine in perfect condition approximately 25%. Pressure deviation between individual cylinders approximately 10% | |
Cylinder Head Dimensions
| H | mm | 162.75 ± 1.75 |
|---|---|---|
| Maximum deformations | mm | 0.05 |
| Note: No regrinding of the cylinder head is permitted. Test cylinder head to detect any cracks. | ||
| Piston protrusion | mm | 0.56 ± 0.06 |
| Note: Piston protrusion can be adjusted by installing pistons with different pin height. | ||
Valves
| Seat angle: | ||
|---|---|---|
| Inlet | 89.5° | |
| Exhaust | 89.5° | |
| Face angle: | ||
| Inlet | 90° | |
| Exhaust | 90° | |
| Seat width: (mm) | ||
| Inlet | 1.8 | |
| Exhaust | 1.8 | |
| Stem diameter: (mm) | ||
| Inlet | 6.985 ± 0.011 | |
| Exhaust | 6.971 ± 0.011 | |
| Head diameter: (mm) | ||
| Inlet | 35.325 ± 0.125 | |
| Exhaust | 32.625 ± 0.125 | |
| Valve length: (mm) | ||
| Inlet | 110.99 ± 0.20 | |
| Exhaust | 110.79 ± 0.20 | |
| Maximum valve lift: (mm) | ||
| Inlet: | 8.866 | |
| Exhaust | 10.344 | |
| Protrusion of valves in relation to the cylinder head gasket face: (mm) | ||
| Inlet and exhaust: | 0.09 ± 0.12 | |
| External seat diameter (mm) | ||
| Inlet | 36.975 ± 0.008 | |
| Exhaust | 33.597 ± 0.008 | |
| Diameter of the seat housing in the cylinder head (mm) | ||
| Inlet | 36.9 + 0.007 | |
| Exhaust | 33.5 + 0.029 | |
Valve Springs
| - | Dimension | ||
|---|---|---|---|
| Free length | mm | 46 ± 2 | |
| Wire diameter | mm | 3.90 ± 0.03 | |
| Internal diameter | mm | 21.5 ± 0.1 | |
| Length under load | |||
| 270 Nm | mm | 37.5 | |
| 614 Nm | mm | 27.5 | |
Valve Guides
| - | Dimension | ||
|---|---|---|---|
| Interior diameter: | |||
| Unmachined | mm | 6.3 + 0.120 | |
| Machined | mm | 7.0 + 0.022 | |
| Note: The unmachined Interior diameter of valve guide is measured with the valve guide fitted to the cylinder head. | |||
| External diameter | mm | 12 + 0.068 | |
| Cylinder head bore diameter | mm | 12 - 0.02 | |
| Guide position relative to cylinder head gasket face (inlet and exhaust) (A) | mm | 81.05 ± 0.40 | |
| Length | |||
| Inlet | mm | 38.25 ± 0.15 | |
| Exhaust | mm | 38.25 ± 0.15 | |
| Angle (B) | |||
| Inlet | - | 90° | |
| Exhaust | - | 90° | |
Tappets
| Dimension | |||
|---|---|---|---|
| External Diameter | mm | 34.975 ± 0.01 | |
| Bore in cylinder head | mm | 35 ± 0.039 | |
Piston Marking
| Type | KOLBENSCHMIDT |
|---|---|
| 1 | Piston mounting position – V towards flywheel |
| 2 | Height between piston pin and top of piston – see “Piston Selection” below |
| 3, 4, 5 | Manufacturer's reference only |
| Piston protrusion | mm | 0.56 ± 0.06 | ||||
|---|---|---|---|---|---|---|
| Note: Piston protrusion can be adjusted by installing pistons with different pin height. | ||||||
Piston Selection
| Piston Marking | - | Piston Pin Height | Comments |
|---|---|---|---|
| K | mm | 47.046 ± 0.02 | Select the correct piston from Parts and Accessories to achieve correct piston protrusion. |
| L | mm | 47.088 ± 0.02 | |
| M | mm | 47.130 ± 0.02 | |
| N | mm | 47.172 ± 0.02 | |
| P | mm | 47.214 ± 0.02 | |
| Note: The only pistons available from Parts and Accessories are those with marking L, M or N. Pistons with other markings are installed at engine build stage. | |||
Piston Ring Dimensions
| 1st compression ring: | |||
|---|---|---|---|
| Gap | mm | 0.20 - 0.35 | |
| Thickness | mm | 2.50 - 0.01 | |
| 2nd compression ring: | |||
| Gap | mm | 0.70 - 0.90 | |
| Thickness | mm | 2.00 - 0.01 | |
| Oil ring: | |||
| Gap | mm | 0.25 - 0.50 | |
| Thickness | mm | 3.00 - 0.01 | |
| Note: New piston rings are pre-gapped and need no adjustment. | |||
| Piston Diameter | mm | 79.866 ± 0.0075 | |
| Note: Piston diameter measurement should be taken at a height of 39 mm from the lowest point on the piston skirt. | |||
Piston Pin
| Length | mm | 59.7 - 60.0 |
|---|---|---|
| External diameter | mm | 27.995 - 28 |
| Internal diameter | mm | 13.8 - 14.1 |
Con-Rod Measurement
| Lateral play of con-rod big end | mm | 0.22 - 0.484 | |
|---|---|---|---|
| Diametral play of the con-rod big end | mm | 0.027 - 0.086 | |
| Centre line distance between the con-rod big end and small end | mm | 139 | |
| Diameter of the con-rod big end | mm | 51.587 + 0.019 | |
| Diameter of con-rod small end | |||
| without ring | mm | 30.24 + 0.025 | |
| with ring | mm | 28 + 0.025 | |
| Note: The con-rod small end bushings cannot be replaced. | |||
Crankshaft Dimensions
| Lateral play | mm | 0.067 - 0.233 |
|---|---|---|
| Note: No regrinding of the crankshaft is permitted. | ||
Common Rail Fuel Systems
| Description | Make/Type | Comments |
|---|---|---|
| High pressure pump | BOSCH CR/CP3 | Pressure from 250 to 1350 bar |
| Booster pump (low pressure) | BOSCH EKP3 | Maximum pressure: 2 bar Flow: 80 -100 l/h minimum |
| Diesel pressure sensor | BOSCH | Screwed to injection rail. Resistance: tracks 1, 2 and 1, 3 = 4.3 Mohms, tracks 2, 3 = 1050 ohms |
| Injectors | BOSCH | Solenoid injector, Resistance: < 2 ohms, Maximum pressure 1600 bar |
| Pressure regulator | Resistance: approx. 5 ohms at 20 °C | |
| Injection computer | BOSCH EDC 15 | 128-track computer |
| Accelerator pedal sensor | HELLA | Double track potentiometer Track 1 resistance: 1200 ± 480 ohms . Track 2 resistance: 1700 ± 680 ohms |
| Pre/post-heating unit | NAGARES BED/7 | With pre/post-heating function controlled by the injection computer |
| Engine speed sensor | MGI | Resistance: 800 ± 80 ohms at 20 °C |
| Pre-heater plugs | BERU or CHAMPION | Resistance: 0.6 ohms, connector disconnected |
| Air intake temperature sensor | SIEMENS | Incorporated in the flow sensor. Resistance: approx. 2170 ohms at 20 °C |
| Diesel fuel temperature sensor | MAGNETTI MARELLI and ELTH | Resistance: approx. 2050 ohms at 25 °C |
| Atmospheric pressure sensor | Incorporated into the computer | |
| Camshaft | ELECTRICIFIL | Hall effect sensor |
| Airflow sensor | SIEMENS | Flow sensor with integrated air temperature sensor. Track 1: air temperature. Track 2: earth. Track 3: reference 5V Track 4: + battery . Track 5: airflow signal . Track 6: earth |
| Exhaust Gas Recirculation Valve (EGR) valve | PIERBURG/ SIEBE | Track resistance: 8 ± 0.5 ohms at 20 °C (tracks 1 and 5). Sensor resistance: 4 ± 1.6 Kohms at 20 °C (tracks 2 and 4) |
| Turbocharger | ALLIED SIGNAL | Wastegate setting: (fixed geometry turbo). 120 mB for rod travel between 1 and 4 mm. 400 mB for rod travel between 10 and 12 mm > 450 mB with rod at end of travel |
| Coolant heaters | Resistance: 0.45 ± 0.05 ohms at 20 °C | |
| Coolant temperature sensor | ELTH | Resistance: 2252 ± 112 ohms at 25 °C |
Starter
| Engine | Type |
|---|---|
| F9Q 760, F9Q 762 | VALEO D7 R 44 |
Alternator
| Engine | Type | Current |
|---|---|---|
| F9Q 760, F9Q 762 | VALEO SG 10B 050 | 125 A |
| VALEO SG 12B 017 | 125 A |
Turbocharger
| Wastegate actuator operation check | ||
|---|---|---|
| Vacuum operated wastegate | mbar (Vacuum Valve) | mm |
| 120 | 1 – 4 | |
| 400 | 10 – 12 | |
| 450 | Maximum rod travel | |
| Pressure operated wastegate | mbar (Pressure Valve) | mm |
| 1000 | 1 – 4 | |
| 1130 | 10 – 12 | |
| 1185 | Maximum rod travel | |
| Engine Weights (Kg) | |
|---|---|
| F9Q 760, F9Q 762 | 162.5 |