Specifications of 1.4 and 1.6 litre petrol engines (Renault Megane 1)

Designation:

models 1.4 l

E7J 764

1.6L models:
with manual transmission
with automatic transmission

K7M 702, K7M 720, K7M 790 or K7M 791
K7M 703

Cylinder diameter:

e7J engines
k7M engines

75.8 mm
79.5 mm

Piston stroke:

e7J engines
k7M engines

77.0 mm
80.5 mm

Working volume:

e7J engines
k7M engines

1390 cm³
1598 cm³ Valve Clearances (Cold)
E7J engines K7M engines
Inlet valve 0.10 mm 0.10 - 0.15 mm
Exhaust valve 0.25 mm 0.25 - 0.30 mm
(after installing new valves 0.20 - 0.25 mm)

Compression ratio:

e7J engines
engines K7M 702 and K7M 703
engines K7M 720 9.0 or
engines K7M 790 and K7M 791

9.5:1
9.7:1
9.5:1
9.7:1

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

Inlet valve

0.10 mm

0.10 - 0.15 mm

Exhaust valve

0.25 mm

0.25 - 0.30 mm (after installing new valves 0.20 - 0.25 mm)

Installation/checking

30±10% by SEEM block

Minimum tension

26 by SEEM block

Height

113.0 mm ±0.05 mm

Maximum permissible deformation
surfaces for gaskets

0.05 mm

Grinding limit

Grinding is not allowed

Valve seat angle:

inlet valve
exhaust valve

120°
90°

Valve seat chamfer width

1.7 mm ±0.1 mm

Axial clearance:

engine E7J
engine K7M

0.06 - 0.15 mm
0.01 - 0.15 mm

Head diameter:

inlet valve
exhaust valve

37.5±0.1 mm
33.5±0.1 mm

Rod diameter

7.00 mm

Diameter:

e7J engines (wet cartridges)
k7M engines (dry cartridges)

75.8 mm + 0.03-0.00 mm
79.5mm + 0.03-0.00mm

Wet liner dimensions - E7J engines:

cylinder liner height:
complete
from the flange to the top

130.0 mm
91.5 mm + 0.035 + 0.005 mm

cylinder block depth - from top to sleeve flange

91.5 mm - 0.015 - 0.055 mm

length of protruding part of sleeve - without sealing ring

0.02 - 0.09 mm

Maximum difference in protruding length between adjacent sleeves

0.05 mm

Piston ring gaps

Pre-adjusted

Piston ring thickness:

upper compression ring:

1.5 mm

second compression ring:

e7J Engines
k7M engines

1.75 mm
1.5 mm

oil scraper ring:

e7J Engines
k7M engines

3.00 mm
2.5 mm

Piston clearance in cylinder

0.045 - 0.065 mm

O.D

19.0 mm

Connecting rod bearing working clearance

0.014-0.053 mm

Lateral play of the connecting rod cap:

E7J Engines
K7M engines

0.310 - 0.572 mm
0.310 - 0.604 mm

Main bearing journal diameter:

e7J engines:

nominal
1st repair

54.795 mm ±0.01 mm
54.545 mm ±0.01 mm

k7M engines:

nominal
1st repair

48.010 mm + 0 - 0.02 mm
54.545 mm + 0 - 0.02 mm

Main bearing working clearance

0.020 - 0.058 mm

Connecting rod bearing journal diameter:

engine E7J:

nominal
1st repair

43.980 mm + 0 - 0.02 mm
43.730 mm + 0 - 0.02 mm

engine K7M:

nominal
1st repair

43.980 mm + 0 - 0.02 mm
43.790 mm + 0 - 0.02 mm

Crankshaft axial clearance:

new
maximum

0.045 - 0.252 mm
0.045 - 0.852 mm

System pressure:

at idle

1.0 bar

at 4000 rpm (E7J) or 3000 rpm (K7M)

3.0 bar

Between the gear and the housing

0.110 mm

0.249 mm

Axial clearance of gear

0.020 mm

0.086 mm

Valve cover bolts

10

Rocker arm adjustment screw lock nut

15

Rocker arm axle bolts - oiled

23

Camshaft Timing Pulley Bolt:

e7J Engines
k7M engines

55
45

Tensioner Pulley Nut
toothed drive belt

50

Cylinder Head Bolts - E7J* Engines

stage 1 - all bolts in the order shown in Illustration 9.36a

20

stage 2

Tighten all bolts by 97°±2°

stage 3

Wait 3 minutes

stage 4

Loosen bolts 1 and 2 completely

stage 5

Tighten bolts 1 and 2 to a tightening torque of 20 Nm

stage 6

Tighten bolts 1 and 2 by 97°±2°

stage 7

Loosen bolts 3, 4, 5 and 6 completely

stage 8

Tighten bolts 3, 4, 5 and 6 at 97°±2°

stage 9

Tighten bolts 3, 4, 5 and 6 by 97°±2°

stage 10

Loosen bolts 7, 8, 9 and 10 completely with a tightening torque of 20 Nm

stage 11

Tighten bolts 7, 8, 9 and 10 to a tightening torque of 20 Nm

stage 12

Tighten bolts 7, 8, 9 and 10 by 97°±2°

Cylinder head mounting bolts - K7M engines:*

stage 1 - all bolts in the order shown in Illustration 9.36a

20

stage 2

Tighten all bolts by 100°±6°

stage 3

Wait 3 minutes

stage 4

Loosen bolts 1 and 2 completely

stage 5

Tighten bolts 1 and 2 to a tightening torque of 20 Nm

stage 6

Tighten bolts 1 and 2 by 100°±6°

stage 7

Loosen bolts 3, 4, 5 and 6 completely

stage 8

Tighten the bolts with a tightening torque of 20 Nm

stage 9

Tighten bolts 3, 4, 5 and 6 by 100°±6°

stage 10

Loosen bolts 7, 8, 9 and 10 completely

stage 11

Tighten bolts 7, 8, 9 and 10 to a tightening torque of 20 Nm

stage 12

Tighten bolts 7, 8, 9 and 10 by 100°±6°

Connecting rod bearing cap - lubricated with oil:

stage 1
stage 2

10
43

Main bearing cap:

e7J engines

64

k7M engines:

stage 1
stage 2

25
Turn 47°±5° further

Connecting rod bearing cap - lubricated with oil:

stage 1
stage 2

10
43

Main bearing cap:

e7J engines

64

k7M engines:

stage 1
stage 2

25
Turn 47°±5° further

Crankshaft Pulley/Gear Bolt:

e7J engines

85

k7M engines:

stage 1
stage 2

20
Turn 68°±6° further

Flywheel/Drive Disc Bolts

53

Oil pump:

mounting bolts
sprocket bolts

25
10

Oil pan:

e7J engines
k7M engines

8
9

Engine oil drain plug

Contact the Head Maintenance

Bracket Mount/Flywheel Cover:

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

Engine/gearbox mounts

Please refer to Section Inspection and replacement of engine/transmission mounts

Subframe to underbody mounting bolts:

front
rear

60
110

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 mounting bolts

Contact the Head Maintenance