Page 32 of 891
ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 7
Power train group
Dismount the hydro-elastic buffer nut (on
the right side).
Remove the power train and place it on a
support.
Disco n nect th e pr e ssu re controller
connector for power steering.
Dismo unt :
- hoses from oil reservoi r for power
s teering by means of pliers MOT 1202-01;
- high pressure pipe from the power
steering pump.
Dismount the refrigerant fluid pipes from
compressor (vehicles with AC unit).
Sustain the power t rain by means of the
two liftin g supports u sing a mobile lifting device
(mobile crane). Dismount the four attachment screws of the
power train support-battery and the elastic bu ffer
nut (9).
9
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ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 8
Power train group
REMOU NT I NG
Perform the dismounting operations in the reverse order.
Tighten the screws and nuts to the required moment.
Perform: -filling and purging of the cooling circuit (see chapter 19”Filling a nd purging”);
-f illing with oil of the engine and gearbox;
-f illing of the power steering circuit (see chapter 05 “ Draining-Filling)- for vehicles
equipped with power steering;
-filling of the air conditioning circuit with refrigerant fluid HFC 134a (see chapter 62 “Air
conditioning”). Adjust the clutch pedal stroke (see chapter 37”Clutch control adjustment”).
REMARK:
At each operation implying battery dismounting, when reconnecting the battery,
introduce the radio code, which is written on the vehicle-purchasing invoice.
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ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 10
ENGINE UNFITTING
Dismo
unt :
- alternator and its belt;
- oil dipper guide;
- induction coil, after its electric co nnector
and spark plugs cables have been disconnected.
ENGINE FITTING
Perform the dismounting operations in the
reverse order.
Tighten the screws and nuts to the required
moment.
Se paration – Unfitting
Di sconnect the electri c connectors and
dismount the engine wiring.
Dismou nt then:
- valve body;
- injection ramp;
-clutch disc and mechanism;
-e ngine flywh eel;
- intake manifold;
- thermal screen and exhaust manifold;
- water inlet pipe;
- thermostat support.
For the veh i cles equi ppe d wi t h a i r
conditioning unit and /or power steeri ng
d ismount additionally:
-driving belt tensioner;
- compressor belt;
- compressor electric connector;
- compressor;
- compressor support and intermedi ary
support.
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ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 11
TIGHTENING MOMENTS (daNm)
Cylinder head cover attachment
screws 1
Distribution belt tightening cam nut 5
W ater pump attachment elements: - M6 1
- M8 2.2
Crankshaft pulley screw 2 plus an angle of 68°±6°
Camshaft gear screw 4.5
Rockers ramp screws 2.3
Engine flywhee l screws
5 - 5.5
Oil pump screws 2.5
Oil pump cover screws 1
Bearing cover screws 2.5 plus an angle of 43°±6°
Cylinder head screws see method described a t page
10-31
Intake manifold attachmen t screws 2.5
Exhaust manifold attachmen t screws 2.5
Spark plugs 2.5 - 3
Lower crankcase screws 1
Rockers adjustment screws 1.5
Oil draining plug 2
Connecting rod cap screws 4.2
Oxygen sensors 4.5
A lternator a ttachment scre ws: - M10 - 135 5
- M 8 - 40 2.1
Clutch mechanism 2
Compressor attachment 4
Compressor support 4
Intermediary support 2
Compressor belt tightening glider 2
D.A. pump attachment 2
D.A. pump support : - M8 2
- M10 4
D.A. pump pulley screws 0.8
RPM sensor 0.8
Starter attachment screws 4.4
Gearbox attachment on engine: - nutsM10 4.4
- screws M10 - 90 4.4
- screws M10 - 35 2.1
Tightening moments
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ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 12
NO.DE NOM I NAT ION SERVICE DACI A
CODE ITEM NO
1O il plug wrench MOT 1018 1001101 800
2D evice for mounting the camshaft sealing gasket MOT 1127-01 1001112701
3Devic e for mounting crankshaft sealing gasket towards flywheel MOT 1129-01 1001112901
4Devic e for distribution belt tensioning MOT 1135-01 1001113501
5P liers for elastic clips MOT 1202-01 1001120 201
6Su itcase for petrol pressure checking MOT 1311-01 1001131101
7 Connection “J” MOT 1311-04 1001131104
8 Connection “K” MOT 1311-05 1001131105
9D evice for conne ction dismounting MOT 1311-06 1001131106
10 Pliers for valves oil seal ring dismounting MOT 1335 1001133 500
11 Device for checking the belt tensioning MOT 1505 1001150 500
12 Device for pi ston shaft mounting MOT 574-22 1001 0574 22
13 Sector for flywheel fixing MOT 582 1001 0582 00
14 Device for distribution gear blocking MOT 799-01 1001 0799 01
15 Device for mounting the crankshaft sealing gasket towards distribution MOT 550 1001 0550 00
16 Wrench for rockers adjustment MOT 567-01 1001 0567 01
17 Wrench for oil filter MOT 555 1001 0555 00
18 Device for power train sustaining MOT 545 1001 0545 00
19 Device for jackets maintaining MOT 484 1001 0484 00
or
Jackets maintaining clamps MOT 588 1001 0588 00
20 Comparing support MOT 251-01 1001 0251 01
21 Plate for measurement of cylinder jackets over-height MOT 252-01 1001 0252 01
Special tools
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ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 14
VA LVES SEATS
Sealing face angle
(α )
- intake 1200
- exhaust 900
Sealing face width (x)
- intake 1.7 ± 0.1mm
- exhaust 1.7 ± 0.1mm
External diameter (D)
- intake 38.5 mm
- exhaust 34.5 mm
VA LVES GUIDES
The valves for both intake and exhaust are provided with oil-rings, that must be replaced at
each valves dismounting.
Chara cteristics
Internal d iameter 7 mm
External diameter 12 mm
Position as against the spring seating on
cylinder head: - intake ( A) 12.34 mm
- exhaust ( E) 12.34 mm
Tilt as against vertical (ββββ
)1 7
0
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ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 15
VA LVES SPRINGS
The valves springs are identical for both intake and exhaust.
Length in free state (mm) 44.93
Length under load (mm) at: - 27 daNm 37
- 65 daNm 27.6
Length of the stuck coils (mm) 26.01
Coil diameter (mm) 4
Internal d iameter (mm) 21.5
CAMSHAFT
Axial clearance (mm) 0.06 - 0.15
Number of bearings 5
Distribution diagram : - intake opening advance -5
0
- intake closing delay350
- exhaust opening advance410
- exhaust closing delay-50
Chara cteristics
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ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 18
RINGS
CONNECTING RODS
Connecting rod end side clearance: 0.310 to 0.572 mm.
AT T E N T I O N !
It is forbidden the use of punches for marking due to the risk of primer cracks A
permanent marker is to be used.
CRANKSHAFT
In case of rectifying, rolling must remain at
least on 140° of the crankpins and bearings
circumference. These areas are defined in sections A and
B as per joint drawing
Chara cteristics
Thickness (mm):
- compression ring 1.5
- sealing ring 1.75
- oiling ring 3
Number of bearings 5
Bearings diameter (mm) - nominal: 54.795 ± 0.01
- reparation: 54.550 ± 0.005
Crankpin diameter (mm) - nominal: 43.98
-0,0 2
- reparation: 43.73 -0,0 2
Axial clearance (mm) - 0.045 - 0.852 with wear
- 0.045 - 0.252 without wear
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