2.0 litre petrol engine specifications (Renault Megane 1)

Designation:

8-valve single overhead camshaft (SOHC) engines

models with manual transmission

F3R 750, F3R 796*, F3R 798*

models with automatic transmission

F3R751, F3R 791*, F3R 797*

16-valve engine with two overhead camshafts (DOHC)

F7R 710

Cylinder diameter

82.7 mm

Piston stroke

93.0 mm

Working volume

1998 cm³

Compression ratio

9.8:1

Cylinder firing order

1-3-4-2 (cylinder #1 on flywheel/drive plate side)

Direction of rotation of the crankshaft

Clockwise when viewed from the pulley side

Engines without intermediate shaft.

F3R Engines:

inlet valve
exhaust valve

0.20 mm
0.40 mm

F7R Engine

Self-adjusting hydraulic tappets

Timing Belt Tension Value (See Text)

device readings:

f3R Engines
f7R Engines

29±10% SEEM
32±10% SEEM

minimum value:

f3R Engines
f7R Engines

27 SEEM
19 SEEM

Height:

f3R Engines
f7R Engines

169.50 mm ±0.2 mm
169.45 mm ±0.1 mm

Maximum permissible deformation of the gasket surface

0.05 mm

Valve seat angle

90°

Valve seat width:

f3R Engines

1.7±0.2 mm

f7R engines:

inlet valve
exhaust valve

1.4 mm
1.7 mm

Axial clearance

0.048 - 0.133 mm

Inlet valve

40.0 mm

33.0 mm

Exhaust valve

32.5 mm

28.5 mm

Rod diameter

8.0 mm

7.0 mm

Diameter:

size group

A 82.70 - 82.71 mm

size group

In 82.71 - 82.72 mm

size group

From 82.72 to 82.73 mm

Piston diameter:

f3R Engines:

size group A or 1

82.665 - 82.675 mm

size group B or 2

82.675 - 82.685 mm

size group B or 2

82.675 - 82.685 mm

f7R Engine

size group V or 1

82.655 - 82.665 mm

size group B or 2

82.665 - 82.675 mm

size group R or 3

82.675 - 82.685 mm

Upper compression ring

1.50 mm

1.20 mm

Second compression ring

1.75 mm

1.50 mm

Oil scraper ring

3.00 mm

2.50 mm

Clearance between piston and cylinder:

f3R Engines
f7R Engine

0.035 - 0.065 mm
0.035 -0.055 mm

Connecting rod bearing working clearance*

0.025 - 0.050 mm

Lateral play of the connecting rod cap

0.220 — 0.400

Axial clearance

0.070 - 0.150 mm

Main bearing journal diameter:

nominal
1st repair

54.795 mm ±0.01 mm
54.545 mm ±0.01 mm

Main bearing working clearance

0.020 - 0.058 mm

Connecting rod bearing journal diameter:

nominal
1st repair

48,000 mm
47.750 mm

Crankshaft axial clearance

0.07 0.23 mm

Minimum oil pressure at 80°C:

1000 rpm
3000 rpm

1.2 bar
3.5 bar

Between the gear and the housing

0.100 mm

0.240 mm

Axial clearance of gear

0.020 mm

0.085 mm

Valve Cover Nuts/Bolts

5

Camshaft Bearing Caps - F3R Engines:

bolts with a diameter of 8 mm
bolts with a diameter of 6 mm

20
10

Camshaft Housing Bolts - F7R Engines:

bolts with a diameter of 8 mm
bolts with a diameter of 6 mm

24
10

Camshaft timing gear bolt

50

Timing Belt Idler Pulley Bolts

20

Drive Belt Tensioner Pulley Nut

50

Camshaft timing gear bolt

50

Timing Belt Idler Pulley Bolts

20

Drive Belt Tensioner Pulley Nut

50

Intermediate shaft gear bolt - F3R 750, F3R 751, F7R 710 engines

50

Cylinder Head Bolts - F3R Engines:*

stage 1 - all bolts in the order shown in Illustration 10.40a

30

stage 2

Tighten all bolts by 50°±4°

stage 3

Wait 3 minutes

stage 4

Loosen bolts 1 and 2 by 180°

stage 5

Tighten bolts 1 and 2 to 25 Nm

stage 6

Tighten bolts 1 and 2 by 123°±7°

stage 7

Loosen bolts 3 and 4 by 180°

stage 8

Tighten bolts 3 and 4 to 25 Nm

stage 9

Tighten bolts 3 and 4 by 123°±7°

stage 10

Loosen bolts 5 and 6 by 180°

stage 11

Tighten bolts 5 and 6 to 25 Nm

stage 12

Tighten bolts 5 and 6 by 123°±7°

stage 13

Loosen bolts 7 and 8 by 180°

stage 14

Tighten bolts 7 and 8 to 25 Nm

stage 15

Tighten bolts 7 and 8 by 123°±7°

stage 16

Loosen bolts 9 and 10 by 180°

stage 17

Tighten bolts 9 and 10 to 123°±7°

stage 18

Tighten bolts 9 and 10 by 123°±7°

Cylinder Head Bolts - F7R* Engine:

stage 1 - all bolts in the order shown in Illustration 10.40a

30

stage 2

Tighten all bolts by 50°±2°

stage 3

Wait 3 minutes

stage 4 - each bolt in turn, in the reverse order to that shown in Illustration 10.40a

Loosen all bolts completely

stage 5 - all bolts in the order shown in Illustration 10.40a

Tighten all bolts to 25 Nm

stage 6

Tighten all bolts by 107°±2°

stage 7

Start the engine and warm it up to normal operating temperature (when the fan turns on) - turn off the engine

stage 8

Loosen the bolts shown in Illustration 10.53

stage 9

Allow the engine to cool completely

stage 10

Loosen bolts 1 and 2 completely

stage 11

Tighten bolts 1 and 2 to 25 Nm

stage 12

Tighten bolts 1 and 2 by 107°±2°

stage 13

Loosen bolts 3 and 4 completely

stage 14

Tighten bolts 3 and 4 to 25 Nm

stage 15

Tighten bolts 3 and 4 by 107°±2°

stage 16

Loosen bolts 5 and 6 completely

stage 17

Tighten bolts 5 and 6 to 25 Nm

stage 18

Tighten bolts 5 and 6 by 107°±2°

stage 19

Loosen bolts 7 and 8 completely

stage 20

Tighten bolts 7 and 8 to 25 Nm

stage 21

Tighten bolts 7 and 8 by 107°±2°

stage 22

Loosen bolts 9 and 10 completely

stage 23

Tighten bolts 9 and 10 to 25 Nm

stage 24

Tighten bolts 9 and 10 by 107°±2°

stage 25

Tighten the bolts shown in Illustration 10.53

Crankshaft pulley bolt

95

Connecting rod bearing caps

50

Main bearing caps

65

Oil Pump Bolts - F3R 750, F3R 751, F7R 710 Engines:

bolts with a diameter of 6 mm
bolts with a diameter of 8 mm

10
22

Oil Pump - All Other Engines:

mounting bolts
gear Bolts

No data
No data

Flywheel/Drive Disc Bolts:

f3R Engines
f7R Engine

50 — 55
65 — 70

Pallet bolts

13

Engine oil drain plug

Contact the Head Maintenance

Engine/gearbox mounts

Please refer to Section Description of compression test

Flywheel/Drive Disc Cover Bracket:

on the engine
on the transmission

50
25

Intake manifold

Contact the Head Power supply and exhaust systems

Exhaust manifold

Contact the Head Power supply and exhaust systems

Bolts securing the steering knuckle to the front suspension strut

Contact the Head Suspension and steering

Gear shift rod tightening bolt

Contact the Head Transmission

Left Drive Shaft Inner Boot Mounting Plate Bolts - Manual Transmission Models

Contact the Head Drive shafts

Wheel bolts

Contact the Head Maintenance

* Use new bolts.