Manual de despiese del renault

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Workshop repair manual
ENGINE (Diesel) Indirect injection Aluminium, 4 cylinders
Types Vehicles Renault 18 Fuego Renault 20 Renault 21 Renault 25 Renault 30 Safrane Espace Trafic Master Jeep

852 J8S

Cancels and replaces note dated JULY 1991
77 11 293 322 DECEMBER 2000
All copyrights reserved by Renault. Copying or translating, in part or in full, of this document or use of the servicepart reference numbering system is forbidden without the prior written authority of Renault.

EDITION ANGLAISE

"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 accessoriesfrom which his vehicles are constructed."

© RENAULT 2000

Contents
Page

10 ENGINE AND PERIPHERALS
Foreword Diagram Engine identification Tightening torques (in daNm) Lubrication circuit diagram Specifications Standard replacement Special tooling required Essential equipment Cylinder head exploded drawing Overhauling the engine Removing top engine Stripping the cylinder head CleaningChecking the gasket face Redressing the valve seats Assessment and repair of rocker arm rails Rebuilding the cylinder head Cylinder block exploded drawing Removing bottom engine Extracting the con rod -pistons Refitting bottom engine Refitting and assembling con rod and pistons Fitting the rings Checking cylinder liner protrusion Refitting cylinder liner - pistons - con rods Checking piston protrusionRefitting top engine Tensioning procedure Notes on fitting accessory belts 10-1 10-2 10-4 10-7 10-14 10-16 10-38 10-39 10-44 10-45 10-46 10-51 10-54 10-54 10-55 10-56 10-57 10-65 10-66 10-74 10-75 10-84 10-85 10-85 10-86 10-89 10-98 10-108 10-114

ENGINE AND PERIPHERALS 110 Foreword
USING THE MANUAL There are two main sections in this manual: – technical specifications, – overhauling theengine. To repair the component on the vehicle, refer to the Workshop Repair Manual and Technical Notes for the vehicle.

10

UNITS OF MEASUREMENT – All dimensions are given in millimetres (mm) (except where stated otherwise). – Tightening torques are expressed in decaNewtonmetres (daNm). Reminder: 1 daNm = 1.02 m.kg. – Pressures in bar Reminder: 1 bar = 100 000 Pa.

TOLERANCES Tightening torquesgiven without a tolerance must be accurate to within: – in degrees (± 3˚). – in daNm (± 10 %).

10-1

ENGINE AND PERIPHERALS Diagram
J8S TURBO ENGINE

10

10-2

ENGINE AND PERIPHERALS Diagram
J8S AND 852 ENGINES

10

10-3

ENGINE AND PERIPHERALS Engine identification
The engine is identified by a plate riveted onto the cylinder block.

10

It includes: A: the engine typeB: the engine approval letter C: the manufacturer code D: the engine index E: the engine fabrication number F: the engine assembly works

10-4

ENGINE AND PERIPHERALS Engine identification
Compression ratio Bore (in mm) Stroke (mm)

10
Capacity (in cm 3)

Engine

Index 700 710 720 750 240 330 600 604 620 622 704 708 714 738 742 746 758 774 786 788

Type 1276 1344, 2354, 1354 Pxx3Txx3 Vxx3 J115, S115 Rxx3 X480 X48A PxxF TxxK X486 B290 X488 B29W X488 X486, X48W TxxF J114 X487 X48P

852

J8S

21/1

86

89

2068

10-5

ENGINE AND PERIPHERALS Engine identification
Compression ratio Bore (in mm) Stroke (in mm)

10
Capacity (in cm 3)

Engine

Index 610 612 702 706 711 712 736 740 760 772 776 778 784 800 814

Type J63D, S63D J63E 1270 B296 1344 TA, 1354TA1346, 1356, 1366 B296 X48, 6, V, V 4x4 B546 J635, S635 J634 J633 X480 CJ XJ

21.5/1

86

89

2068

J8S

J8S

21.5/1

86

89

2068

10-6

ENGINE AND PERIPHERALS Tightening torques (in daNm)

10

A B C D E F G H J K

0.5 to 0,9 2.5 to 3 1.3 to 1.8 2 6 to 6.5 13 2.5 1.3 5 1.25

10-7

ENGINE AND PERIPHERALS Tightening torques (in daNm)
CYLINDER BLOCK

10

A...
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