Renault 2000 Megane Manuale di istruzioni

Technical Note 3350A

XA0 5

SPECIAL FEATURES OF F9Q 732 ENGINE

WITH HIGH PRESSURE DIRECT INJECTION

77 11 292 962 EDITION ANGLAISEMARCH 2000

Please observe the cleanliness advice

for any operations on this vehicle (section 13).

This Technical Note cancels and replaces Technical Note 3245A

For all parts not dealt with in this Technical Note refer to Workshop Repair Manual MR 312.

Consult Technical Note 3341A for the diagnostic part.

"The repair methods given by the manufacturer in this document are based on the

technical specifications current when it was prepared.

The methods may be modified as a result of changes introduced by the manufacturer in

the production of the various component units and accessories from which his vehicles

are constructed."

All copyrights reserved by Renault.

Copying or translating, in part or in full, of this document or use of the service part

reference numbering system is forbidden without the prior written authority of Renault.

Contents

Page

VALUES AND SETTINGS

Capacities - Grades 07-1

Accessories belt tension 07-2

Checking the accessories belt tension 07-3

Tightening the cylinder head 07-5

Tyres and wheels 07-6

Brakes 07-7

Brake compensator 07-8

Underbody height 07-9

Front axle angle checking values 07-11

Rear axle angle checking values 07-13

ENGINE AND PERIPHERALS

Identification 10-1

Oil pressure 10-2

Engine and transmission assembly 10-3

Sump 10-8

TOP AND FRONT OF ENGINE

Timing belt 11-1

Cylinder head gasket 11-6

FUEL MIXTURE

Air inlet 12-1

TURBOCHARGING

Pressure regulating valve 12-2

Pressure adjustment 12-3

Turbocharger 12-4

Air-air exchanger 12-7

Manifolds 12-9

Priming catalytic converter 12-12

Page

DIESEL EQUIPMENT

Technical specifications 13-1

Special features 13-3

Cleanliness 13-6

Location of components 13-9

Injection warning light 13-12

Immobiliser function 13-13

Injection programming/ air conditioning 13-14

Idle speed correction 13-16

Pre-postheating control 13-17

Heater plugs 13-18

Thermoplunger 13-19

Low pressure pump (supercharging

pump) 13-21

Fuel filter 13-22

High pressure pump 13-23

Injector gallery 13-27

Injectors 13-32

Checking diesel pressure and flow 13-37

Pressure sensor 13-38

Pressure regulator 13-39

Accelerator potentiometer 13-40

Centralised coolant temperature

management 13-41

Computer 13-42

ANTIPOLLUTION

Oil vapour rebreathing 14-1

Exhaust gas recirculation 14-2

Contents

Page

STARTING - CHARGING

Alternator 16-1

Starter 16-4

COOLING SYSTEM

Filling - bleeding 19-1

Diagram 19-2

Thermoplunger unit 19-3

Radiator 19-4

Water pump 19-5

ENGINE MOUNTING

Suspended engine mounting 19-6

Exhaust

Catalytic converter 19-7

MANUAL GEARBOX

Identification 21-1

Gears 21-1

Capacity - Lubricants 21-2

AIR CONDITIONING

General 62-1

Compressor 62-2

Dehydration canister 62-3

Condenser 62-4

Pressure relief valve 62-5

Connecting hoses 62-6

VALUES AND SETTINGS

Capacities - Grades 07

107

VALUES AND SETTINGS

Capacities - Grades

* Adjust using the dipstick

(1) After replacing the oil filter

Components Capacity in

litres

(approx.)* Grade

Diesel engine

(oil)

F9Q

In case of oil

change

4,5

4,6 (1)

European Union countries

Under no circumstances should ACEA B1 oils be used for diesel

engines

Other countries

Components Capacity

in litres Grade Special notes

Gearbox

JC5 3.1 All countries: TRANSELF TRX 75 W 80 W

(Standards API GL5 or MIL-L 2105 G or D)

Coolant

circuit

F9Q 7.5

Glacéol RX

(type D)

Protection to - 20 ˚C ±2˚C for warm, moderate and cold

climates.

Protection to - 37˚C ±2˚C for very cold climates.

07-1

VALUES AND SETTINGS

Accessories belt tensioning 07

07-2

WITHOUT AIR

CONDITIONING Accessories belt tensioning

ALTERNATOR AND POWER ASSISTED STEERING

Fitting tension (in Hertz): 188 ±5

See Technical Note 3247A for the procedure for using

the tension measuring tool Mot. 1505.

A Crankshaft

B Alternator

C Power assisted steering pump

E Water pump

→Tension checking point

98751R1

VALUES AND SETTINGS

Checking the accessories belt tension 07

07-3

WITH AIR

CONDITIONING Checking the accessories belt tension

SPECIAL TOOLING REQUIRED

Mot. 1387 Tool for checking the automatic

tension wheel centreline

Checking the automatic tension wheel centre line

Before removing the accessories belt, check the

centreline (A) on the automatic tension wheel using

Mot. 1387.

Methods for using Mot. 1387

Loosen knurled bolt (1) so that the arms (2) and (3)

can slide against each other.

Position Mot. 1387 on the two mountings for the

tensioner component, then lock the arms (2) and (3)

by turning the knurled bolt (1).

11234R

12205G

VALUES AND SETTINGS

Checking the accessories belt tension 07

07-4

WITH AIR

CONDITIONING Checking the accessories belt tension

Using Mot. 1387 check that you are well within

tolerance (zone B).

NOTE:

Min. tolerance = Mark (4)

Max. tolerance = Mark (5)

Checking the centreline allows you to check if the

automatic tension system is working correctly.

If the centreline is outside permitted tolerance values,

check the following points:

12205R3

ENGINE

CENTRELINE

F9Q

Centreline less

than minimum

– Check that the eccentric plate

is positioned correctly (at the

base of the opening).

– Incorrect belt (too short).

– Incorrect belt passage.

Centreline

greater than

maximum

– Check that the eccentric plate

is positioned correctly (at the

base of the opening).

– Incorrect belt (too long).

– Incorrect belt passage.

VALUES AND SETTINGS

Tightening the cylinder head 07

07-5

Tightening the cylinder head

METHOD FOR TIGHTENING THE CYLINDER HEAD

REMINDER: in order to tighten the bolts correctly, use

a syringe to remove any oil which may have entered

the cylinder head mounting bolt holes.

All the cylinder head bolts must always be changed

after removal. There is no cylinder head retightening

operation.

Preseating the gasket

Tighten all the bolts to 3 daN.m, then angle tighten to

100˚±4˚in the order shown below.

Wait 3 minutes settling time.

Tightening the cylinder head:

– cylinder head tightening is carried out in stages, and

the following procedure is applied successively to

bolts 1-2 then 3-4, 5-6, 7-8 and 9-10,

– slacken bolts 1-2 until they are completely free,

– tighten bolts 1-2 to 2.5 daN.m, then angle tighten to

213 ±7˚,

– repeat the slackening and tightening operations for

bolts 3-4, 5-6, 7-8 and 9-10.

There is no cylinder head retightening operation.

90775S

VALUES AND SETTINGS

Tyres and wheels 07

07-6

Tyres and wheels

(1) With full load and on motorways.

Tightening torque for wheel nuts: 9 daN.m

Rim run-out: 1.2 mm

Type Rim Tyres

Tyre pressure when

cold (in bar) (1)

Front Rear

BA05 6 J 15 185/60 R 15 2.4 2.2

JA05 6 J 15 185/60 R 15 2.3 2.3

VALUES AND SETTINGS

Brakes 07

07-7

Brakes

(1) Drum: maximum wear diameter

Max. disc run-out: 0.07 mm

(1) Leading brake shoe.

(2) Trailing brake shoe.

Type

at the front at the rear

Disc thickness (in mm) Disc thickness (in mm) Drum diameter (in mm)

Max. Min. Max. Min. Min. Max. (1)

BA05 20.6 17.6 - - 203.2 204.45

JA05 24 21 11 9.5 - -

Type

Lining thicknesses (in mm) (including backing)

Brake fluid

Front Rear

New Min. New Min.

JA05 18 6 11 5 SAE J1703

DOT 4

BA05 18 6

4.9 (1)

3.4 (2) 2 SAE J1703

DOT 4

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