Automotive Engineers: TU5JP4 Engine
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ScribdTranslationsAutomotive Engineers: TU5JP4 Engine
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ScribdTranslationsB1BBMEK1 - 307 TU5JP4 ENGINE
ENGINE PRESENTATION
New engine: TU5JP4 EURO 3 (L4) (Origin TU5J4).
Particularities:
4 cylinders in line - 16 valves
2 overhead camshafts driven by toothed timing belt
BOSCH multipoint injection system
Engine suspension placed in the centre of the distribution (specific distribution
covers)
Engine performance improvement is achieved by:
reduction of masses
optimization of intake and exhaust ducts
1 - CHARACTERISTICS - IDENTIFICATION
Engine brand plate (1):
(a) engine approval type
(b) organ mark
(c) manufacturing order number
type of engine approval NFU
organ brand vehicle specific
number of cylinders 4
diameter x stroke (mm) 78.5 x 82
displacement (cm3) 1587
compression ratio 10.8/1
max power (kW - EEC) 87
max power (DIN hp) 110
maximum power regime (r/min.) 6600
maxi torque (m.daN - EEC) 14.5
maximum torque regime (r/min.) 5200
injection system multipoint
brand BOSCH
guy M7.4.4 - ME7.4.4
2 - DESCRIPTION
2 - 1 - CRANKCASE-CYLINDER ASSEMBLY
(2) Cylinder crankcase.
(3) Oil filter bracket fixings.
The cast iron cylinder crankcase specific for the TU5JP4 engine.
The coolant drain plug is located on the intake side.
The dipstick guide is mounted glued to the crankcase (removal of the sealing gasket).
The oil filter is new, its fixing is secured by means of 3 screws (3).
The oil pressure switch is now fixed to the oil filter bracket, the old installation is blocked.
2 - 2 - MOBILE COUPLING
(4) Crankshaft.
(5) Upper sealing segment (Thickness 1.2 mm).
(6) Lower sealing segment (Thickness 1.5 mm).
(7) Scraper segment (Thickness 2.5 mm).
(8) Piston .
(9) Gudgeon pins fitted tightly into the connecting rod foot.
(10) Connecting rod .
Common elements to the TU5J4 engine:
(11) connecting rod half-shells
(12) Crankshaft side clearance flanges
(A) sleeve oil gauge
Crankshaft.
Material: function with non-tempered seats.
Lightened counterweights.
Number of supports: 5.
Number of counterweights: 8.
The centering of the gearbox primary shaft on the crankshaft has evolved to allow the
mounting of the reinforced MA gearbox.
Identification of parts.
The splines on the primary shaft are lengthened by 2.5 mm.
Mounted with the TU5J4 engine.
Mounted with TU5JP4 engine.
It is possible to differentiate crankshafts by the diameter of the facing:
TU5J4 engine crankshaft: the diameter of the facing is 34 mm
TU5JP4 engine crankshaft: the diameter of the facing is 41 mm
Crankshaft half-shells.
Marking of crankshaft bearing classes - On crankshaft (Painting):
(13) Barcode used in factory
(14) diameter class inscription (support 1 to support 5)
(15) Marking of crankshaft support classes - In crankcase-cylinder cases (Cold stamping):
diameter class inscription (support 1 to support 5)
Factory inscriptions
3 - CYLINDER HEAD ASSEMBLY
The stock is made of aluminum alloy.
The cylinder head is specific, it differs from the TU5J4 cylinder head in the inner and outer
diameters of the valve spring support washer housing.
The hydraulic tappets are common with those of the TU5J4 engine.
The rocker cover gaskets are pre-formed and can be replaced after-sales.
The rocker covers, valve assembly, spring support cups and washers, springs and valve
seats are specific.
4 - DISTRIBUTION ASSEMBLY
The belt tension is adjusted using the specific dynamic tensioner roller.
The intake camshaft (16) and the exhaust camshaft (17) are equipped with lightened
pulleys.
The camshafts are specific (increased seal seat).
4 - 1 - CAMSHAFT IDENTIFICATION
(18) Post-sale marking area (by micropercussion engraving) includes:
No. cam brands 1 to 6
Team No. (A - B - C)
No. day/year (3 digits / 2 digits)
The timing covers are specific (captive screws and incidence with the new engine
suspension on the timing side).
5 - LUBRICATION
The filter cartridge is mounted on a bracket on the exhaust side of the engine and is
protected from the heat of the manifold/catalytic converter by a heat shield.
The motor is adapted for suction emptying.
The tip of the dipstick guide is adapted to receive a 14 mm diameter terminal to carry out
suction emptying (Same as TU5J4).
The possibility of draining the engine by gravity is still maintained.
Oil capacity:
with cartridge replacement: 3.25 liter(s)
without cartridge replacement: 3 litre(s)
between mini and maxi: 1.5 liter(s)
The oils recommended for the TU5JP4 EURO3 engine correspond to the ACEA A3
standards.
The TU5JP4 EURO3 engine is adapted for energy-saving oils.
5 - 1 - OIL PRESSURE
engine TU5JP4
control 1 to 1000 r/min minimum
1.5
pressure (bars)
control 2 at 2000 rpm minimum
3
pressure (bar)
control 3 at 4000 rpm minimum
4
pressure (bars)
The values indicated are in bars and correspond to a run-in
engine for an oil temperature of 80 ° C
6 - AIR SUPPLY CIRCUIT
6 - 1 - AIR CIRCUIT
(20) Injector feed ramp.
(24) Injectors .
(19) Air intake hose.
(21) Valve for taking fuel pressure and flow.
(22) Intake distributor.
(23) Motorized butterfly box.
(25) Pressure sensor.
Idle regulation is ensured by a stepper motor.
7 - FUEL SUPPLY CIRCUIT
(26) Injector feed ramp.
(27) Canister .
(29) Valve for taking fuel pressure and flow.
(30) Fuel return line.
(31) Ratchet type fitting.
(32) Gasoline vapor re-aspiration channel.
(33) Fuel supply line.
(27) Canister .
(28) Fuel filter (integrated into the pump flow meter module).
(30) Fuel return line.
(34) Gasoline pressure regulator.
(35) Fuel pump immersed in the fuel tank.
7 - 1 - PARTICULARITIES
Injector feed ramp without fuel return circuit.
Gasoline pressure regulator installed in the gauge/pump module.
Fuel pressure: 3.5 bar(s).
The injector feed ramp is equipped with a valve (29) to carry out the following operations:
depressurization of the injector feed rail
fuel pressure control
flow control
The fuel filter on the flowmeter/pump module ensures 15 - 20 micron filtration.
8 - EXHAUST MANIFOLD
The exhaust manifold is specific.
The catalyst is fixed directly on the manifold (parallel to the front face of the engine).
The exhaust manifold is equipped with a heat shield to protect the oil filter.
9 - COOLING CIRCUIT
(36) Bleed screw.
(37) Degassing box.
(38) Water pump.
(39) Aerothermo.
(40) Radiator .
(41) Water outlet box.
(42) Gearbox.
(43) Engine .
(44) Engine water/engine oil exchanger (With cca equipment).
9 - 1 - PARTICULARITIES
Degassing box separate from the radiator.
Thermostat opening at 89°C, the alert threshold temperature in the combination is set at
118°C.
10 - MOVEMENT OF ACCESSORIES
Poly V type belts with dynamic or mechanical belt tensioner, depending on the equipment.
AIR-CONDITIONING
(48) Mechanical tensioner roller.
(49) Alternator .
(50) Winding roller.
(51) Accessory drive pulley.
(52) Air conditioning compressor.
(53) Belt tension screw.
11 - INJECTION SYSTEM
Supplier(s): BOSCH .
Type ME7.4.4 .
Phased sequential multipoint injection.
12 - IGNITION
The integral electronic ignition is of the jumo-static type (with compact coil box.
12 - 1 - IGNITION COILS
The coils are attached to a compact box (64) housed and fixed in the cylinder head
(Supplier(s) SAGEM - ELECTRIFIL).
12 - 2 - SPARK PLUGS
Supplier(s): BOSCH - SAGEM .
Electrode separation: 0.9 mm ± 0.5 .
Tightening torque: 0.28 m.daN.
Flat seat spark plugs, type:
SAGEM EYQUEM RFN58LZ
BOSCH SUPER BNA R13-318