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Workshop repair manual
ENGINE (Diesel)
Indirect injection
Aluminium, 4 cylinders
Types Vehicles
Renault 18
852
Fuego
Renault 20
J8S
Renault 21
Renault 25
Renault 30
Safrane
Espace
Trafic
Master
Jeep
Cancels and replaces note dated JULY 1991
DECEMBER 2000 EDITION ANGLAISE
77 11 293 322
All copyrights reserved by Renault.
"The repair methods given by the manufacturer in this document are based on the
technical specifications current when it was prepared.
Copying or translating, in part or in ful
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Contents Page 10 ENGINE AND PERIPHERALS 10-1 Foreword 10-2 Diagram 10-4 Engine identification 10-7 Tightening torques (in daNm) 10-14 Lubrication circuit diagram 10-16 Specifications 10-38 Standard replacement 10-39 Special tooling required 10-44 Essential equipment 10-45 Cylinder head exploded drawing Overhauling the engine 10-46 Removing top engine 10-51 Stripping the cylinder head 10-54 Cleaning 10-54 Checking the gasket face 10-55 Redressing the valve seats 10-56 Assessment and repair o
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ENGINE AND PERIPHERALS ENGINE AND PERIPHERALS 110 10 Foreword Foreword USING THE MANUAL There are two main sections in this manual: – technical specifications, – overhauling the engine. To repair the component on the vehicle, refer to the Workshop Repair Manual and Technical Notes for the vehicle. 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. – P
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ENGINE AND PERIPHERALS 10 Diagram Diagram J8S TURBO ENGINE 10-2
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ENGINE AND PERIPHERALS 10 Diagram J8S AND 852 ENGINES 10-3
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ENGINE AND PERIPHERALS 10 Engine identification Engine identification The engine is identified by a plate riveted onto the cylinder block. It includes: A: the engine type B: the engine approval letter C: the manufacturer code D: the engine index E: the engine fabrication number F: the engine assembly works 10-4
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ENGINE AND PERIPHERALS 10 Engine identification Compression Bore Stroke Capacity Engine Index Type 3 ratio (in mm) (mm) (in cm ) 700 1276 710 1344, 2354, 1354 852 720 Pxx3 Txx3 750 Vxx3 240 J115, S115 330 Rxx3 600 X480 604 X48A 620 PxxF 622 TxxK 704 X486 708 B290 J8S 21/1 86 89 2068 714 X488 738 B29W 742 X488 746 X486, X48W 758 TxxF 774 J114 786 X487 788 X48P 10-5
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ENGINE AND PERIPHERALS 10 Engine identification Compression Bore Stroke Capacity Engine Index Type 3 ratio (in mm) (in mm) (in cm ) 610 J63D, S63D 612 J63E 702 1270 706 B296 711 1344 TA, 1354TA 21.5/1 86 89 2068 712 1346, 1356, 1366 J8S 736 B296 740 X48, 6, V, V 4x4 760 B546 772 J635, S635 776 J634 778 J633 784 X480 J8S 800 CJ 21.5/1 86 89 2068 814 XJ 10-6
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ENGINE AND PERIPHERALS 10 Tightening torques (in daNm) Tightening torques (in daNm) A 0.5 to 0,9 B 2.5 to 3 C 1.3 to 1.8 D 2 E 6 to 6.5 F 13 G 2.5 H 1.3 J 5 K 1.25 10-7
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ENGINE AND PERIPHERALS 10 Tightening torques (in daNm) CYLINDER BLOCK A 2 B 2 C 2.5 * Preheating shunt nut connector: 0.25 daNm ** Aluminium sump : 1.4 to 1.7 daNm Metal sump : 1.25 daNm 10-8
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ENGINE AND PERIPHERALS 10 Tightening torques (in daNm) A 3.2 to 3.9 B 2 C 1.3 D 1.4 * Turbo: IHI : 4.5 daNm Garrett : 2.6 daNm 10-9
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ENGINE AND PERIPHERALS 10 Tightening torques (in daNm) A 5 B 5 C 2.25 to 2.75 D 5 E 13 F 2.5 G 1.3 * Turbo: IHI : 4.5 daNm Garrett : 2.6 daNm 10-10
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ENGINE AND PERIPHERALS 10 Tightening torques (in daNm) A 2 B 4 C 5 to 5.5 10-11
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ENGINE AND PERIPHERALS 10 Tightening torques (in daNm) A 7 B 2.3 C 6.5±0.25 D 8.75 to 9.75 E 1.3 F 4 to 4.5 * Spark plug M12 tighten to 2 daNm Spark plug M10 tighten to 1.6 daNm st ** 1 model: – coolant pipe : 0.8 to 1 daNm – coolant rail : 2 to 2.5 daNm nd 2 model: – cooling jets only : 1.2 to 1.4 daNm *** Seethe cylinder head tightening procedure page 10-16 10-12
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ENGINE AND PERIPHERALS 10 Tightening torques (in daNm) A 3.2 to 3.9 B 8.75 to 9.75 C 2.5 to 3 D 3 E 2.3 * Turbo: IHI : 4.5 daNm Garrett : 2.6 daNm 10-13
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ENGINE AND PERIPHERALS 10 Lubrication circuit diagram Lubrication circuit diagram Key: All types Turbo with radiator Turbo with heat exchanger 1 returning cooling jets 2 integrated cooling jets st 1 fitting 3 integrated cooling jets nd 2 fitting 10-14
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ENGINE AND PERIPHERALS 10 Lubrication circuit diagram 10-15
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ENGINE AND PERIPHERALS 10 Specifications Specifications CYLINDER HEAD Unscrew bolt 1 until it is completely free, and then carry out: Tightening procedure st 1 retightening 2 daNm All the cylinder head bolts must always be nd changed after removal (including the mounting 2 retightening (angle) according to the table: studs). Angle Angle Lubricate the threads and under the bolt heads Symbol Symbol (in degrees) (in degrees) with engine oil. 1 105 10 60 REMINDER: Use a syringe to remove any oil
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ENGINE AND PERIPHERALS 10 Specifications J8S longitudinal engine Unscrew bolt 1 until it is completely free, and then carry out: Carry out the following in the order prescribed: st 1 retightening 2 daNm st 1 tightening : 3 daNm nd 2 retightening (angle) according to the table: nd 2 tightening: 5 daNm Angle Angle Symbol Symbol (in degrees) (in degrees) 1 105 10 60 2 60 11 60 3 60 12 70 4 70 13 70 5 70 14 60 6 60 15 60 7 60 16 80 8 105 17 80 9 105 Repeat the operation for all the bolts.
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ENGINE AND PERIPHERALS 10 Specifications nd Thickness of the cylinder head gasket 2 model nd There are several different thicknesses of cylinder On engines fitted with a 2 model cylinder head head gasket as replacements. When the 1 model (A) gasket, the label showing the gasket thickness can be gaskets have been used up, the Parts Store will only seen from the outside. There is no need to recalculate nd deliver 2 model (B, C or D) gaskets. the gasket thickness if the operations performed have
